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Trees should only be pruned when there is a good and clear reason for doing so and,
fortunately, the number of such reasons is small. Pruning involves the cutting away of overgrown and unwanted branches, and the inexperienced gardener can be encouraged by the thought that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way.
First, pruning may be done to make sure that trees have a desired shape or size. The object may be to get a tree of the right height, and at the same time to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut diseased or dead wood, or branches that are rubbing against each other and thus cause wounds. The health of a tree may be encouraged by removing branches that are blocking up the centre and so preventing the free movement of air.
One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease, but it is a wound that will heal. Often there is a race between the healing and the disease as to whether the tree will live or die, so that there is a period when the tree is at risk. It should be the aim of every gardener to reduce which has been pruned smooth and clean, for healing will be slowed down by roughness. You should allow the cut surface to dry for a few hurts and then paint it with one of the substances available from garden shops produced especially for
this purpose. Pruning is usually without interference from the leaves and also it is very unlikely that the cuts you make will bleed. If this does happen, it is, of course, impossible to paint them properly.
Trees become unhealthy if the gardener__________.
fortunately, the number of such reasons is small. Pruning involves the cutting away of overgrown and unwanted branches, and the inexperienced gardener can be encouraged by the thought that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way.
First, pruning may be done to make sure that trees have a desired shape or size. The object may be to get a tree of the right height, and at the same time to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut diseased or dead wood, or branches that are rubbing against each other and thus cause wounds. The health of a tree may be encouraged by removing branches that are blocking up the centre and so preventing the free movement of air.
One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease, but it is a wound that will heal. Often there is a race between the healing and the disease as to whether the tree will live or die, so that there is a period when the tree is at risk. It should be the aim of every gardener to reduce which has been pruned smooth and clean, for healing will be slowed down by roughness. You should allow the cut surface to dry for a few hurts and then paint it with one of the substances available from garden shops produced especially for
this purpose. Pruning is usually without interference from the leaves and also it is very unlikely that the cuts you make will bleed. If this does happen, it is, of course, impossible to paint them properly.
Trees become unhealthy if the gardener__________.
A.allows too many branches to grow in the middle
B.does not protect them from wind
C.forces them to grow too quickly
D.damages some of the small side branches
B.does not protect them from wind
C.forces them to grow too quickly
D.damages some of the small side branches
参考答案
参考解析
解析：由第二段最后一句“the health of a tree may be encouraged by removing branches that are blocking up the centre”可知，剪去阻塞树木中央空间的枝条可使树木健康生长，那么相反，保留这些枝条则会导致树木长得不健康，因此答案为A。
更多 “Trees should only be pruned when there is a good and clear reason for doing so and, fortunately, the number of such reasons is small. Pruning involves the cutting away of overgrown and unwanted branches, and the inexperienced gardener can be encouraged by the thought that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way. First, pruning may be done to make sure that trees have a desired shape or size. The object may be to get a tree of the right height, and at the same time to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut diseased or dead wood, or branches that are rubbing against each other and thus cause wounds. The health of a tree may be encouraged by removing branches that are blocking up the centre and so preventing the free movement of air. One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease, but it is a wound that will heal. Often there is a race between the healing and the disease as to whether the tree will live or die, so that there is a period when the tree is at risk. It should be the aim of every gardener to reduce which has been pruned smooth and clean, for healing will be slowed down by roughness. You should allow the cut surface to dry for a few hurts and then paint it with one of the substances available from garden shops produced especially for this purpose. Pruning is usually without interference from the leaves and also it is very unlikely that the cuts you make will bleed. If this does happen, it is, of course, impossible to paint them properly. Trees become unhealthy if the gardener__________.A.allows too many branches to grow in the middle B.does not protect them from wind C.forces them to grow too quickly D.damages some of the small side branches” 相关考题
考题
Passage TwoWhen we see well, we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.People who are nearsighted can only see things that are very close to their eyes. Everything else is not so clear. Many people who do a lot of close work, such as writing, reading and sewing, become near sighted. Then they have to wear glasses in order to see distant (远处的) things clearly'.People who are nearsighted suffer from just the opposite problem. They can see things that are far away, but they have difficulty in reading a book unless they hold it at arm's length. If they want to do much reading, they must get glasses, too.Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism (散光). This, too, can be corrected by glasses. Some people's eyes become cloudy because of cataracts (白内障). Long ago these people often became blind. Now, however, it is possible to operate on the cataracts and remove them.Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle (角度). To prove this to yourself, look at an object out of one eye; then look at the same object outof the other eye. You will find the object's relation to the background (背景) and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.40. We should take good care of our eyes ______.A. only when we cannot see perfectlyB. only when we can see wellC. even if we can see wellD. only when we realize how important our eyes are
考题
Erna Hart _______ a good swimmer; she swam across the English Channel when she was only fourteen years old!A、must beB、must have beenC、could beD、should have been
考题
________ Tom ________ Mary speaks good Chinese, so they can communicate with these Chinese students very well.A.Neither, nor B. Not only, but also C.Both, and D.Either, or
考题
Passage ThreeTrees should only be pruned (修剪) when there is a good reason for doing so. Many gardeners believe that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way.First, pruning may be done to make sure that trees have a desired shape. The object may be to get a tree of the right height, and to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut out diseased or dead wood, or branches that are rubbing against each other and thus causing wounds. A tree may grow healthier by removing the branches that are locking up the centre and so preventing the free movement of air.One result of pruning is that an open wound is left on the tree and this provides an easy entry (进入) for diseases, but it is a wound that will heal. Often there is a race between the healing and the disease as to whether the tree will live or die. Pruning is usually clone in winter, for then you can see the shape of the tree clearly without the interference from the leaves.41. According to the article, which of the following statement is NOT true?A. Pruning is necessary when there are unwanted branches.B. Damage is done to a tree if it is left to grow in its own way.C. Diseased or dead branches should be cut away if they are found to rub against each other.D. Growing side branches often prevent air from moving freely.
考题
The writer suggests that pruning should be done in winter because______.A. the cut surface can heal more quicklyB. open wounds on the tree run the less risk of getting diseasedC. a gardener can do pruning more easilyD. the leaves can interfere
考题
Trees should only be pruned when there is a good and clear reason for doing so and,
fortunately, the number of such reasons is small. Pruning involves the cutting away of overgrown and unwanted branches, and the inexperienced gardener can be encouraged by the thought that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way.
First, pruning may be done to make sure that trees have a desired shape or size. The object may be to get a tree of the right height, and at the same time to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut diseased or dead wood, or branches that are rubbing against each other and thus cause wounds. The health of a tree may be encouraged by removing branches that are blocking up the centre and so preventing the free movement of air.
One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease, but it is a wound that will heal. Often there is a race between the healing and the disease as to whether the tree will live or die, so that there is a period when the tree is at risk. It should be the aim of every gardener to reduce which has been pruned smooth and clean, for healing will be slowed down by roughness. You should allow the cut surface to dry for a few hurts and then paint it with one of the substances available from garden shops produced especially for
this purpose. Pruning is usually without interference from the leaves and also it is very unlikely that the cuts you make will bleed. If this does happen, it is, of course, impossible to paint them properly.
Why is a special substance painted on the tree?A.To make a wound smooth.
B.To prevent disease entering a wound.
C.To cover a rough surface.
D.To help a wound to dry.
考题
Trees should only be pruned when there is a good and clear reason for doing so and,
fortunately, the number of such reasons is small. Pruning involves the cutting away of overgrown and unwanted branches, and the inexperienced gardener can be encouraged by the thought that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way.
First, pruning may be done to make sure that trees have a desired shape or size. The object may be to get a tree of the right height, and at the same time to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut diseased or dead wood, or branches that are rubbing against each other and thus cause wounds. The health of a tree may be encouraged by removing branches that are blocking up the centre and so preventing the free movement of air.
One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease, but it is a wound that will heal. Often there is a race between the healing and the disease as to whether the tree will live or die, so that there is a period when the tree is at risk. It should be the aim of every gardener to reduce which has been pruned smooth and clean, for healing will be slowed down by roughness. You should allow the cut surface to dry for a few hurts and then paint it with one of the substances available from garden shops produced especially for
this purpose. Pruning is usually without interference from the leaves and also it is very unlikely that the cuts you make will bleed. If this does happen, it is, of course, impossible to paint them properly.
Pruning should be done to__________.A.make the tree grow taller
B.improve the shape of the tree
C.get rid of the small branches
D.make the small branches thicker
考题
Trees should only be pruned when there is a good and clear reason for doing so and,
fortunately, the number of such reasons is small. Pruning involves the cutting away of overgrown and unwanted branches, and the inexperienced gardener can be encouraged by the thought that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way.
First, pruning may be done to make sure that trees have a desired shape or size. The object may be to get a tree of the right height, and at the same time to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut diseased or dead wood, or branches that are rubbing against each other and thus cause wounds. The health of a tree may be encouraged by removing branches that are blocking up the centre and so preventing the free movement of air.
One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease, but it is a wound that will heal. Often there is a race between the healing and the disease as to whether the tree will live or die, so that there is a period when the tree is at risk. It should be the aim of every gardener to reduce which has been pruned smooth and clean, for healing will be slowed down by roughness. You should allow the cut surface to dry for a few hurts and then paint it with one of the substances available from garden shops produced especially for
this purpose. Pruning is usually without interference from the leaves and also it is very unlikely that the cuts you make will bleed. If this does happen, it is, of course, impossible to paint them properly.
?What was the author's purpose when writing this passage?A.To give practical instruction for pruning a tree.
B.To give a general description of pruning.
C.To explain how trees develop diseases.
D.To discuss different methods of pruning.
考题
Trees should only be pruned when there is a good and clear reason for doing so and,
fortunately, the number of such reasons is small. Pruning involves the cutting away of overgrown and unwanted branches, and the inexperienced gardener can be encouraged by the thought that more damage results from doing it unnecessarily than from leaving the tree to grow in its own way.
First, pruning may be done to make sure that trees have a desired shape or size. The object may be to get a tree of the right height, and at the same time to help the growth of small side branches which will thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut diseased or dead wood, or branches that are rubbing against each other and thus cause wounds. The health of a tree may be encouraged by removing branches that are blocking up the centre and so preventing the free movement of air.
One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease, but it is a wound that will heal. Often there is a race between the healing and the disease as to whether the tree will live or die, so that there is a period when the tree is at risk. It should be the aim of every gardener to reduce which has been pruned smooth and clean, for healing will be slowed down by roughness. You should allow the cut surface to dry for a few hurts and then paint it with one of the substances available from garden shops produced especially for
this purpose. Pruning is usually without interference from the leaves and also it is very unlikely that the cuts you make will bleed. If this does happen, it is, of course, impossible to paint them properly.
A good gardener prunes a tree__________.A.at intervals throughout the year
B.as quickly as possible
C.occasionally when necessary
D.regular every winter
考题
资料：When we see well，we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.
People who are near-sighted can only see things that are very close to their eyes，Everything else seems blurry（=unclear）.Many people who do a lot of work，such as writing，reading and sewing become near-sighted.
People who are far-sighted suffer from just the opposite problem. They can see things that are far away，but they have difficulty in reading a book unless they hold it at arm’s length. If they want to do much reading，they must get glasses，too.
Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism. This，too，can be corrected by glasses. Some people’s eyes become cloudy because of cataracts. Long ago these people often became blind. Now，however，it is possible to operate on the cataracts and remove them.
Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle. To prove this to yourself，look at an object out of one eye；Then look at the same object out of your other eye. You will find the object’s relation to the background and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.
We should take good care of our eyes______.
A.even if we can see well
B.only when we cannot see perfectly
C.only when we realize how important our eyes are
D.only when we can see well
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共用题干
第三篇In one sense,an allowance is a child's share of the family income.It can be a good experience that parents can provide for their children.The amount should be what the family can afford.It should be given to the youngsters to do with as they please,but not be used as a tool to win the youngsters' good behaviors.An allowance is not a bribe.It should be thought of as a learning tool,giving the youngsters firsthand experience in learning how to spend money. It can teach them how to get the best value for what they buy,helping them use their skills in arithmetic.Many youngsters make mistakes and buy unwisely at first. Some rush out to spend all their money the moment they get it.They forget that once it is spent,there will be no more for several days.From such haste,youngsters can learn how to choose wisely and spend carefully.Parents need to know when to begin to give an allowance and how much to give.When a youngster starts school,he/she may want it,because his/her friends receive one.A good time for considering it may be when a youngster makes daily requests for ice cream or candy.This will help him/her to see the value of money.At first a youngster may receive only half an allowance but get it twice a week.This would help someone find a full week too long. She will soon figure out that she can have two candy bars this week,or save for two weeks to buy a toy,learning that she cannot have them both.A wise parent won't control the child's buying. By making her own mistakes with her own money,the child is more apt to learn from her mistakes.An allowance should not be taken away as punishment for bad behavior,nor as pay for doing household chores（杂务）.A youngster should be encouraged to be generous,helping her see that money isn't everything. No amount of money can buy friendship.Things such as love and respect do not have a price tag.The amount of an allowance should depend upon_________.A:what the family can affordB:what the family can borrowC:how the parents likeD:how much the family can save
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共用题干
第三篇In one sense,an allowance is a child's share of the family income.It can be a good experience that parents can provide for their children.The amount should be what the family can afford.It should be given to the youngsters to do with as they please,but not be used as a tool to win the youngsters' good behaviors.An allowance is not a bribe.It should be thought of as a learning tool,giving the youngsters firsthand experience in learning how to spend money. It can teach them how to get the best value for what they buy,helping them use their skills in arithmetic.Many youngsters make mistakes and buy unwisely at first. Some rush out to spend all their money the moment they get it.They forget that once it is spent,there will be no more for several days.From such haste,youngsters can learn how to choose wisely and spend carefully.Parents need to know when to begin to give an allowance and how much to give.When a youngster starts school,he/she may want it,because his/her friends receive one.A good time for considering it may be when a youngster makes daily requests for ice cream or candy.This will help him/her to see the value of money.At first a youngster may receive only half an allowance but get it twice a week.This would help someone find a full week too long. She will soon figure out that she can have two candy bars this week,or save for two weeks to buy a toy,learning that she cannot have them both.A wise parent won't control the child's buying. By making her own mistakes with her own money,the child is more apt to learn from her mistakes.An allowance should not be taken away as punishment for bad behavior,nor as pay for doing household chores（杂务）.A youngster should be encouraged to be generous,helping her see that money isn't everything. No amount of money can buy friendship.Things such as love and respect do not have a price tag.What is a sign that patents should begin to give their children an allowance?A:When a child knows the value of money.B:When a child is ten years old.C:When a child knows how to buy toys.D:When a child requires candy everyday.
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共用题干
第三篇In one sense,an allowance is a child's share of the family income.It can be a good experience that parents can provide for their children.The amount should be what the family can afford.It should be given to the youngsters to do with as they please,but not be used as a tool to win the youngsters' good behaviors.An allowance is not a bribe.It should be thought of as a learning tool,giving the youngsters firsthand experience in learning how to spend money. It can teach them how to get the best value for what they buy,helping them use their skills in arithmetic.Many youngsters make mistakes and buy unwisely at first. Some rush out to spend all their money the moment they get it.They forget that once it is spent,there will be no more for several days.From such haste,youngsters can learn how to choose wisely and spend carefully.Parents need to know when to begin to give an allowance and how much to give.When a youngster starts school,he/she may want it,because his/her friends receive one.A good time for considering it may be when a youngster makes daily requests for ice cream or candy.This will help him/her to see the value of money.At first a youngster may receive only half an allowance but get it twice a week.This would help someone find a full week too long. She will soon figure out that she can have two candy bars this week,or save for two weeks to buy a toy,learning that she cannot have them both.A wise parent won't control the child's buying. By making her own mistakes with her own money,the child is more apt to learn from her mistakes.An allowance should not be taken away as punishment for bad behavior,nor as pay for doing household chores（杂务）.A youngster should be encouraged to be generous,helping her see that money isn't everything. No amount of money can buy friendship.Things such as love and respect do not have a price tag.We can see that children learn the value of money by________.A:talking to their parentsB:making mistakesC:visiting the bankD:listening to friends
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共用题干
第三篇In one sense,an allowance is a child's share of the family income.It can be a good experience that parents can provide for their children.The amount should be what the family can afford.It should be given to the youngsters to do with as they please,but not be used as a tool to win the youngsters' good behaviors.An allowance is not a bribe.It should be thought of as a learning tool,giving the youngsters firsthand experience in learning how to spend money. It can teach them how to get the best value for what they buy,helping them use their skills in arithmetic.Many youngsters make mistakes and buy unwisely at first. Some rush out to spend all their money the moment they get it.They forget that once it is spent,there will be no more for several days.From such haste,youngsters can learn how to choose wisely and spend carefully.Parents need to know when to begin to give an allowance and how much to give.When a youngster starts school,he/she may want it,because his/her friends receive one.A good time for considering it may be when a youngster makes daily requests for ice cream or candy.This will help him/her to see the value of money.At first a youngster may receive only half an allowance but get it twice a week.This would help someone find a full week too long. She will soon figure out that she can have two candy bars this week,or save for two weeks to buy a toy,learning that she cannot have them both.A wise parent won't control the child's buying. By making her own mistakes with her own money,the child is more apt to learn from her mistakes.An allowance should not be taken away as punishment for bad behavior,nor as pay for doing household chores（杂务）.A youngster should be encouraged to be generous,helping her see that money isn't everything. No amount of money can buy friendship.Things such as love and respect do not have a price tag.According to the writer,how often should parents give their children an allowance?A:Once a week. B:Once or twice a month.C:Once a year. D:Everyday.
考题
An SSL VPN can be used in conjunction with IBM Tivoli Access Manager for Enterprise Single Sign-On to provide remote access to business critical information. Which statement is true about the Mobile ActiveCode （MAC） when it is used with a VPN Solution for remote access？（）A、The MAC can only be delivered to a mobile phone and is good for a single use only.B、The MAC can be delivered by mobile phone， e-mail， or fax， and it is good for one time authentication only.C、The MAC can only be delivered to a mobile phone and it is good until the expiration time is reached， as set by an administrator.D、The MAC can be delivered by mobile phone， email， or fax， and it is good until the expiration time is reached， as set by an administrator.
考题
单选题When the teacher asks questions, he should do as the following EXCEPT_____A
Questions that require students to compare, evaluate, or infer should be encouraged.B
Questions should be balanced among different types.C
Questions should be focused on those who can answer them.D
Questions should be closely related to the suggested class lesson plan.
考题
单选题What was the author’s purpose when writing this passage? _____A
To give practical instruction for pruning a tree.B
To give a general description of pruning.C
To explain how trees develop diseases.D
To discuss different methods of pruning.
考题
单选题The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）A
stays at restB
is working stablyC
is worn outD
is in good operation
考题
单选题Which of the following is NOT true for the use of tusks?A
To dig for salt.B
To remove the bark from the tree.C
To move trees and branches to clear a path.D
To pull trees and branches to establish territory.
考题
单选题In the last paragraph the author points out that ______.A
sleeping less is good for human healthB
people ought to be persuaded to sleep less than beforeC
it is incorrect to say that people sleep too littleD
those who can sleep less should be encouraged
考题
单选题Trees become unhealthy if the gardener _____.A
allows too many branches to grow in the middleB
does not protect them from windC
forces them to grow too quicklyD
damages some of the small side branches
考题
单选题A good gardener prunes a tree _____.A
at intervals throughout the yearB
as quickly as possibleC
occasionally when necessaryD
regular every winter
考题
单选题When the teacher asks questions，which one should be EXCEPTED？A
Questions that require students to compare，evaluate，or infer should be encouraged.B
Questions should be balanced among different types.C
Questions should be focused on those who can answer them.D
Questions should be closely related to the suggested class lesson plan.
考题
单选题Pruning should be done to _____.A
make the tree grow tallerB
improve the shape of the treeC
get rid of the small branchesD
make the small branches thicker
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