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You have been badly injured in a car accident．It is necessary to give you a blood transfusion because you lost a great deal of blood in the accident．However,special care must be taken in selecting new blood for you．If the blood is too different from your own,the transfusion could kill you.
There are four basic types of blood;A,B,AB and O．A simple test can indicate a person's blood type．Everybody is born with one of these four types of blood．Blood type,like hair color and height,is inherited from parents.
Because of substances contained in each type,the four groups must be trans fused carefully．Basically,A and B cannot be mixed．A and B cannot receive AB,but AB may receive A or B．O can give to any other group,hence it is often called the universal donor．For the opposite reason,AB sometimes called the universal recipient．However,because so many reactions can occur in transfusions,patients usually receive only salt or plasma until their blood can be matched as exactly as possible in the blood bank of a hospital．In this way,it is possible to avoid any bad reactions to the transfusion.
There is a relationship between your blood type and your nationality．Among Europeans and people of European ancestry,about 42 percent have type A while 45 percent have type O．The rarest is type AB．Other races have different percentages．For example,some American Indian groups have nearly 100 percent type O.
A good title for this passage is__.
There are four basic types of blood;A,B,AB and O．A simple test can indicate a person's blood type．Everybody is born with one of these four types of blood．Blood type,like hair color and height,is inherited from parents.
Because of substances contained in each type,the four groups must be trans fused carefully．Basically,A and B cannot be mixed．A and B cannot receive AB,but AB may receive A or B．O can give to any other group,hence it is often called the universal donor．For the opposite reason,AB sometimes called the universal recipient．However,because so many reactions can occur in transfusions,patients usually receive only salt or plasma until their blood can be matched as exactly as possible in the blood bank of a hospital．In this way,it is possible to avoid any bad reactions to the transfusion.
There is a relationship between your blood type and your nationality．Among Europeans and people of European ancestry,about 42 percent have type A while 45 percent have type O．The rarest is type AB．Other races have different percentages．For example,some American Indian groups have nearly 100 percent type O.
A good title for this passage is__.
A.Getting Blood arid Plasma
B.Special Blood and Colors
C.Human Blood Types
D.The Blood Bank of a Hospital
B.Special Blood and Colors
C.Human Blood Types
D.The Blood Bank of a Hospital
参考答案
参考解析
解析：本文讲的就是人的血型。
更多 “You have been badly injured in a car accident．It is necessary to give you a blood transfusion because you lost a great deal of blood in the accident．However,special care must be taken in selecting new blood for you．If the blood is too different from your own,the transfusion could kill you. There are four basic types of blood;A,B,AB and O．A simple test can indicate a person's blood type．Everybody is born with one of these four types of blood．Blood type,like hair color and height,is inherited from parents. Because of substances contained in each type,the four groups must be trans fused carefully．Basically,A and B cannot be mixed．A and B cannot receive AB,but AB may receive A or B．O can give to any other group,hence it is often called the universal donor．For the opposite reason,AB sometimes called the universal recipient．However,because so many reactions can occur in transfusions,patients usually receive only salt or plasma until their blood can be matched as exactly as possible in the blood bank of a hospital．In this way,it is possible to avoid any bad reactions to the transfusion. There is a relationship between your blood type and your nationality．Among Europeans and people of European ancestry,about 42 percent have type A while 45 percent have type O．The rarest is type AB．Other races have different percentages．For example,some American Indian groups have nearly 100 percent type O. A good title for this passage is__.A.Getting Blood arid Plasma B.Special Blood and Colors C.Human Blood Types D.The Blood Bank of a Hospital” 相关考题
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Passage FourYou have been badly injured in a car accident. It is necessary to give you a blood transfusion because you lost a great deal of blood in the accident. However, special care must be taken in selecting new blood for you. If the blood is too different from your own, the transfusion could kill you.There are four basic types of blood; A, B, AB and O. A simple test can indicate a person's blood type. Everybody is born with one of these four types of blood. Blood type, like hair color and height, is inherited from parents.Because of substances contained in each type, the four groups must be transfused carefully. Basically, A and B cannot be mixed. A and B cannot receive AB, but AB may receive A or B. O can give to any other group, hence it is often called the universal donor. For the opposite reason, AB sometimes called the universal recipient. However, because so many reactions can occur in transfusions, patients usually receive only' salt or plasma until their blood can be matched as exactly as possible in the blood bank of a hospital. In this way, it is possible to avoid any bad reactions to the transfusion.There is a relationship between your blood type and your nationality. Among Europeans and people of European ancestry, about 42 percent have type A while 45 percent have type O. The rarest is type AB. Other races have different percentages. For example, some American Indian groups have nearly 100 percent type O.48. A good title for this passage is______.A. Getting Blood and PlasmaB. Special Blood and ColorsC. Human Blood TypesD. The Blood Bank of a Hospital
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共用题干
第二篇 Diabetes（糖尿病）and Eye DamageOver 2 million Canadians have diabetes.It is the leading cause of blindness in North Americans under 65 years of age.Diabetes is a condition where the body either cannot produce enough insulin（胰岛素）or cannot respond properly to insulin. Insulin is important because it moves glucose（葡萄糖）,a simple sugar, into the body's cells from the blood. The food people eat provides the body with glucose,which is used by the cells as a source of energy.If insulin isn't available or doesn't work correctly to move glucose from the blood into the cells,glucose will stay in the blood,leading to high blood sugar levels.High blood sugar levels damage the blood vessels,including the tiny blood vessels in the eye．This leads to an eye disease known as diabetic retinopathy（糖尿病型视网膜病）. The retina（视网膜）is an area at the back of the eye that changes light into nerve signals. With diabetic retinopathy,some blood vessels in the retina are lost,and some of the other blood vessels begin to"leak"blood.This causes the retina to swell,and gradually cuts off its supply of oxygen and nutrients（滋养物）.Eventually , the retina starts to grow new blood vessels to replace the damaged ones.Unfortunately,these new vessels are not as strong as the old ones.They are more likely to break,causing bleeding in the eye.At first,people with diabetic retinopathy will not notice any symptoms.As the disease gets worse , they may notice blurred（模糊的）vision, black spots or flashing lights. As time goes on,it can progress to blindness.Everyone with diabetes is at risk for diabetic retinopathy,and the risk increases the longer you've had diabetes.Fortunately,you can reduce your risk.If you do not have diabetes,but think you may be at risk for this condition,visit your doctor to be screened for diabetes.If you do have diabetes:Have frequent eye check-ups.Make sure that you monitor your blood sugar frequently and use your medications as recommended by your doctor. There is evidence to show that keeping your blood sugar under tight control can slow down eye damage.If you have high blood pressure,follow your recommended diet and medications to keep it under control.If you are not sure whether you have high blood pressure,or whether your blood pressure is under control,discuss this with your doctor.With diabetic retinopathy,the damaged blood vessels in the retinaA:are stronger than what they used to be.B: cannot be properly replaced.C:are more likely to break than the new ones.D: may return to normal again.
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共用题干
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考题
You have been badly injured in a car accident．It is necessary to give you a blood transfusion because you lost a great deal of blood in the accident．However,special care must be taken in selecting new blood for you．If the blood is too different from your own,the transfusion could kill you.
There are four basic types of blood;A,B,AB and O．A simple test can indicate a person's blood type．Everybody is born with one of these four types of blood．Blood type,like hair color and height,is inherited from parents.
Because of substances contained in each type,the four groups must be trans fused carefully．Basically,A and B cannot be mixed．A and B cannot receive AB,but AB may receive A or B．O can give to any other group,hence it is often called the universal donor．For the opposite reason,AB sometimes called the universal recipient．However,because so many reactions can occur in transfusions,patients usually receive only salt or plasma until their blood can be matched as exactly as possible in the blood bank of a hospital．In this way,it is possible to avoid any bad reactions to the transfusion.
There is a relationship between your blood type and your nationality．Among Europeans and people of European ancestry,about 42 percent have type A while 45 percent have type O．The rarest is type AB．Other races have different percentages．For example,some American Indian groups have nearly 100 percent type O.
If you need a transfusion,the best and safest blood for you is__.A.type AB
B.exactly the same type as yours
C.a mixture of salt,plasma and type O
D.type A
考题
You have been badly injured in a car accident．It is necessary to give you a blood transfusion because you lost a great deal of blood in the accident．However,special care must be taken in selecting new blood for you．If the blood is too different from your own,the transfusion could kill you.
There are four basic types of blood;A,B,AB and O．A simple test can indicate a person's blood type．Everybody is born with one of these four types of blood．Blood type,like hair color and height,is inherited from parents.
Because of substances contained in each type,the four groups must be trans fused carefully．Basically,A and B cannot be mixed．A and B cannot receive AB,but AB may receive A or B．O can give to any other group,hence it is often called the universal donor．For the opposite reason,AB sometimes called the universal recipient．However,because so many reactions can occur in transfusions,patients usually receive only salt or plasma until their blood can be matched as exactly as possible in the blood bank of a hospital．In this way,it is possible to avoid any bad reactions to the transfusion.
There is a relationship between your blood type and your nationality．Among Europeans and people of European ancestry,about 42 percent have type A while 45 percent have type O．The rarest is type AB．Other races have different percentages．For example,some American Indian groups have nearly 100 percent type O.
The word“hence”in line 10 means__.A.always
B.often
C.therefore
D.seldom
考题
You have been badly injured in a car accident．It is necessary to give you a blood transfusion because you lost a great deal of blood in the accident．However,special care must be taken in selecting new blood for you．If the blood is too different from your own,the transfusion could kill you.
There are four basic types of blood;A,B,AB and O．A simple test can indicate a person's blood type．Everybody is born with one of these four types of blood．Blood type,like hair color and height,is inherited from parents.
Because of substances contained in each type,the four groups must be trans fused carefully．Basically,A and B cannot be mixed．A and B cannot receive AB,but AB may receive A or B．O can give to any other group,hence it is often called the universal donor．For the opposite reason,AB sometimes called the universal recipient．However,because so many reactions can occur in transfusions,patients usually receive only salt or plasma until their blood can be matched as exactly as possible in the blood bank of a hospital．In this way,it is possible to avoid any bad reactions to the transfusion.
There is a relationship between your blood type and your nationality．Among Europeans and people of European ancestry,about 42 percent have type A while 45 percent have type O．The rarest is type AB．Other races have different percentages．For example,some American Indian groups have nearly 100 percent type O.
People with type A blood can receive__.A.AB
B.B
C.O
D.None of the above
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While designing your database， you have created the EMPLOYEES table as an index/x7forganized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A、A primary key must have been created.B、A mapping table must have been created.C、An overflow tablespace must have been specified.D、The PCTTHRESHOLD option must have been specified.
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Must I take a taxi? No, you（）. You can take my car.A、had better toB、don'tC、must notD、don't have to
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At database startup， you discover that one of the disks containing an index tablespace has been lost due to a media failure. A backup of the lost index tablespace is not available. You have all the necessary scripts to recreate the indexes. You need to re-create the indexes in a new index tablespace. Which action must you perform before re-creating the indexes？（）A、 Start the database in OPEN mode， and create a new index tablespace.B、 Start the database in OPEN mode， and drop the lost index tablespace from the database.C、Start the database in MOUNT mode， create a new index tablespace， and drop the lost index tablespace from the database.D、 Start the database in MOUNT mode， drop the lost index tablespace from the database， open the database， and create a new index tablespace.
考题
While designing your database， you have created the EMPLOYEEStable as an index-organized （IOT）. You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A、 A primary key must have been created.B、 A mapping table must have been created.C、 An overflow tablespace must have been specified.D、 The PCTTHRESHOLD option must have been specified.
考题
You work as a database administrator for Supportcenter.cn. In your production database， the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database， you want to accomplish this task with no impact on the user’s connections. Which activity must you have completed before accomplishing this task？（）A、You must have started the database instance in restricted mode.B、You must have started the database instance inNORMALmode.C、You must have started the database instance with server parameter file.D、You must have started the database instance but must not have mounted.E、You must have started the database instance but must not have opened.
考题
问答题Practice 2 You have been badly injured in a car accident. It is necessary to give you a blood transfusion because you lost a great deal of blood in the accident. However, special care must be taken in l new blood for you. If the blood is too different from your own, the transfusion could kill you. There are four basic types of blood：A, B, AB, and O. A simple test can 2 a person’s blood type, which, like hair color and height, is 3 from parents. Because of substances contained in each type, the four groups must be transfused 4 . Basically, A and B cannot be mixed. A and B cannot receive AB, but AB may receive A or B. O can give to any other group；hence, it is often called the universal 5 . For the opposite reason. AB is sometimes called the universal 6 . However, because so many reactions can occur in transfusions, patients usually receive only salt or plasma. until their blood can be 7 as exactly as possible in the blood bank of a hospital. In this way. it is possible to 8 any bad reactions to the transfusion. There is a relationship between your blood type and your 9 . Among Europeans and people of European ancestry, about 42 percent have type A while 45 percent have type O. The rarest is type AB. Other races have different 10 . For example, some American Indian groups have nearly 100 percent type O.[A] selecting [B] avoid [C] carefully[D] cover [E] inherited [F] percentages[G] recipient [H] matched [I] indicate[J] nationality [K] simulating [L] donor[M] pursuit [N] liberated [O] meaningfully
考题
单选题If you have high blood pressure, you should _____ eating too much salt.A
escapeB
suggestC
avoidD
relieve
考题
问答题Practice 2 Discussion—about 5 minutes In this part of the test you are given a discussion topic. You have 30 seconds to look at the prompt card, an example of which is below, and then about 3 minutes to discuss the topic with your partner. After that the examiner will ask you more questions related to the topic. For two candidates Compromise on price You have had a negotiation with a foreign trade delegation which comes to nothing. You have been told to have this big deal come off. Discuss the situation together and decide: ● which kind of activities would be suitable for a successful deal. ● how much are you to step down For three candidates Compromise on Price You have had a negotiation with a foreign trade delegation which comes to nothing. You have been told to have this big deal come off. Discuss the situation together, and decide: ● Which kind of activities would be suitable for a successful deal. ● how much are you to step down. ●·how to show your sincerity.
考题
单选题While designing your database， you have created the EMPLOYEES table as an index/x7forganized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A
A primary key must have been created.B
A mapping table must have been created.C
An overflow tablespace must have been specified.D
The PCTTHRESHOLD option must have been specified.
考题
单选题While designing your database， you have created the EMPLOYEEStable as an index-organized （IOT）. You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）A
A primary key must have been created.B
A mapping table must have been created.C
An overflow tablespace must have been specified.D
The PCTTHRESHOLD option must have been specified.
考题
单选题If you have high blood pressure, you should_____eating too much salty food.A
escapeB
suggestC
avoidD
relax
考题
单选题Must I take a taxi? No, you（）. You can take my car.A
had better toB
don'tC
must notD
don't have to
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