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Is that an egg?（改为复数）
_______ _______ eggs?
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Passage ThreeDid you know that a turtle can lay twelve eggs in one minute? A large sea turtle lays around 150 eggs at a time. She lays all these eggs in just a few minutes.Large sea turtles live in the warm seas of the world. Except for when they lay their eggs, they spend their whole lives in water. When it is time to lay their eggs, the females swim to land. They usually return to the place where they themselves were born. How they find their way back there is a mystery.When they reach shore, the big, heavy turtles crawl slowly up to the high water mark. Using their flippers, they pull themselves along the sand. They struggle like mountain climbers to attain their goal. When they finally reach dry sand, they rest before beginning the difficult task of laying eggs.The turtles lay the eggs in deep holes and cover them with warm sand. The sand protects the eggs from harm. Then the females leave them. After a few weeks, if you happened to be walking along the beach, you might see the sand begin to shake in one spot. Then you would see tidy black balls coming out of the sand. The tidy heads of baby turtles!Baby turtles have a build-in sense of direction. As soon as they are hatched, they head for the water. Once the babies swim out to sea, they don't touch shore again until it is time for them to lay their own eggs.41. The first sentence lets us know that this passage is about ______.A. turtlesB. oceansC. timeD. eggs
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（B）The surprising experiment I am about to describe proves that air is all around you and that it proves down upon you. Air pressure is a wonderful force. When you swim underwater, you can feel water push down your body. The air all around you does the same. However, your body is so used to it that you do not notice this. The pressure is caused by a layer of air called the atmosphere. This layer surrounds the Earth, extending to about five kilometers above the Earth’s surface.The following experiment is an easy one that you can do at home. But make sure that you are supervised, because you will need to use matches. Now foe the experiment！What you need?A hard-boiled egg without the shell?A bottle with a neck slightly smaller than the egg?A piece of paper?A matchMetheod1） Check that the paper will sit firmly on the neck of the bottle.2） Tear the paper into strips and put the strips into the bottle.3） Light the paper by dropping a burning match into the bottle.4） Quickly sit the egg on the neck of the bottle.ResultAstonishingly, the egg will be sucked into the bottle. Your friends will be amazed when you show them the experiment. But be careful when you handle matches.Why it happenedAs the paper burns, it needs oxygen and uses up the oxygen （air） in the bottle. The egg acts as a seal in the neck of the bottle, so no more air can get inside. This reduces the air pressure inside the bottle. The air pressure must equalize, so more air from outside must enter the bottle. The outside air pressure against the egg and then the egg is pushed into the bottle! The proves that air is all around and that it is pressing down on it.60. Why is there the need to take care when you are doing the experiment?A. The bottle could break.B. You need to light the paper with a match.C. The egg needs to be shelled.D. The egg has to be perfectly placed on the neck of the bottle.
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How did the egg put into the bottle？A. The oxygen inside the bottle sucked the egg in.B. It became salt without the shell.C. The neck of the bottle was wide enough.D. The outside air pressure forced it into the bottle.
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Eggs are my favorite food. I like them (21) , hard-boiled, scrambled, or poached. 1 eat eggs for (22) , lunch, and dinner. I eat eggs here, there, and everywhere!Eggs taste great. You can eat them by (23) or as part of any meal. Eggs are (24) used as an ingredient in many prepared foods. Can you think of any foods that contain (25) ?Eggs are really a perfect food. They are (26) in most of the nutrients we need to maintain good (27) . When a baby chicken develops (28) an egg, the egg (29) and yolk are the only foods they need.Many people believe that eggs are (30) . They point out that eggs contain a very high amount ofcholesterol(胆固醇). Too (31) of one kind of cholesterol in our blood can cause he-art disease.There is no evidence that eggs (32) the harmful cholesterol in our blood. When we eat foods that are(33) in cholesterol, our bodies make (34) of it to balance, or adjust.If you want to enjoy a tasty and healthy food, eat plenty of (35) .21.A. friedB. cookedC. eatenD. decorated
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What do you eat for your meal? --- I eat ______ .A、a egg and some breadsB、an egg and some breadC、an egg and some breads
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Once our chickens started laying eggs, we had such a ______of eggs that we were giving many away to our neighbors.A.output
B.surplus
C.production
D.plenty
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第三篇Who Came First, the Chicken or the Egg?I just mailed the chicken and the egg,each in its own separate packaging,and kept careful track of when each shipment was sent from a post office in Cambridge, Massachusetts,and when it later arrived at its intended destination in New York City.In mailing the chicken,I was careful to adhere to the restrictions described in the American Postal Service's Domestic Mail Manual 57,as updated on April 3,2003.This,the most recent,version of the Manual states that:"Adult chickens must be sent by Express Mail.The containers used must pass the standards in International Safe Transit Association Test Procedure IA;be strong enough to endure normal handling;and ensure enough air for the chickens in transit...The number of birds must not be more than the container's limit."I mailed the chicken in a wooden box got from a colleague who does research with birds.Then,I mailed the egg in standard packaging obtained through an industrial supplier.It's quite simple.I posted both the chicken and the egg at 9:40 am,on a Monday morning,from the Harvard Square post office,in Cambridge,Massachusetts.The staff there told me that this was the first chicken anyone had mailed from there in recent memory,and perhaps ever.They handled both the chicken and the egg skillfully and politely.The intended destination for both packages was the James A.Farley General Post Office,which is located in Manhattan right next to the Penn Station train terminal.I took the subway from the Harvard Square to the Boston train station,and from there boarded a train to New York City,a distance of about 320 kilometers,arriving that afternoon at Penn Station.I immediately went to the post office,to await the arrivals of the chicken and the egg.The James A.Farley General Post Office is open 24 hours a day,so I was able to wait there until both items arrived.I inquired once per hour for both the chicken and the egg.That day,Monday,neither the chicken nor the egg arrived.The next day,Tuesday, neither the chicken nor the egg arrived.The chicken arrived at 10:31 am,Wednesday.The staff at the post office told me that this was the first chicken anyone had mailed to the post office in recent memory, and perhaps ever.The egg arrived that same day,at 9:37pm,11 hours after the chicken.Based on experiment data,it's now quite clear that the chicken came first,the egg second.Why did the author go to New York City?A:Because he had never been there before.B:Because he wanted to show that he could arrive before both the chicken and the egg.C:Because he wanted to check which of the two items would arrive first.D:Because he had sent the chicken and the egg to himself.
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第三篇Who Came First, the Chicken or the Egg?I just mailed the chicken and the egg,each in its own separate packaging,and kept careful track of when each shipment was sent from a post office in Cambridge, Massachusetts,and when it later arrived at its intended destination in New York City.In mailing the chicken,I was careful to adhere to the restrictions described in the American Postal Service's Domestic Mail Manual 57,as updated on April 3,2003.This,the most recent,version of the Manual states that:"Adult chickens must be sent by Express Mail.The containers used must pass the standards in International Safe Transit Association Test Procedure IA;be strong enough to endure normal handling;and ensure enough air for the chickens in transit...The number of birds must not be more than the container's limit."I mailed the chicken in a wooden box got from a colleague who does research with birds.Then,I mailed the egg in standard packaging obtained through an industrial supplier.It's quite simple.I posted both the chicken and the egg at 9:40 am,on a Monday morning,from the Harvard Square post office,in Cambridge,Massachusetts.The staff there told me that this was the first chicken anyone had mailed from there in recent memory,and perhaps ever.They handled both the chicken and the egg skillfully and politely.The intended destination for both packages was the James A.Farley General Post Office,which is located in Manhattan right next to the Penn Station train terminal.I took the subway from the Harvard Square to the Boston train station,and from there boarded a train to New York City,a distance of about 320 kilometers,arriving that afternoon at Penn Station.I immediately went to the post office,to await the arrivals of the chicken and the egg.The James A.Farley General Post Office is open 24 hours a day,so I was able to wait there until both items arrived.I inquired once per hour for both the chicken and the egg.That day,Monday,neither the chicken nor the egg arrived.The next day,Tuesday, neither the chicken nor the egg arrived.The chicken arrived at 10:31 am,Wednesday.The staff at the post office told me that this was the first chicken anyone had mailed to the post office in recent memory, and perhaps ever.The egg arrived that same day,at 9:37pm,11 hours after the chicken.Based on experiment data,it's now quite clear that the chicken came first,the egg second.What did he do all this for?A:To know if animals like chickens could be posted.B:To amuse the reader with an unlikely answer to the chicken-or-egg puzzle.C:To know if eggs would break on the way to their destination.D:To show that he was highly intelligent.
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varfood=[“eggs”，“milk”，“cookies”]；food.splice（1，2，“bread”）；执行上面的代码，food的值是（）。A、["eggs"，"milk"，"cookies"]B、["eggs"，"bread"]C、["eggs"，"milk"，"bread"，"cookies"]D、["milk"，"bread"]
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问答题There must have been a special sale on eggs that day because there was an impressive display of eggs in dozen and half-dozen cartons.
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问答题Passage 1Of Ducks and Duck Eggs For people who like to keep poultry, ducks offer certain advantages over hens. Ducks are immune to some common diseases found in hens and are less vulnerable to others. Some breeds of duck produce bigger eggs than hens. In addition, ducks lay eggs over a longer season than hens do. Poultry keepers with gardens have less to worry about if they keep ducks rather than hens because the former are less apt to dig up plants and destroy roots. While both hens and ducks benefit the garden by eating pests, hens are known to damage herb and grass beds. Ducks, on the other hand, will search for insects and snails more carefully. Only very delicate plants are at risk from the broad, webbed feet of ducks. Like all waterbirds, ducks need access to water, and duck keepers typically provide this by building a pond. Something this large is not absolutely necessary, however, ducks need only to be able to dip their heads in the water to keep their nostrils clean. If a pond is provided though it is important to keep ducklings away from it until they are old enough to withstand the cool temperature of the water-about eight weeks. When keeping ducks, one has to consider just how many the land will support. Generally the rule is 100 ducks per-half hectare. If more than this proportion is introduced, there is a risk of compacting the soil, which can lead to muddy conditions for long periods as the rain is not easily absorbed into the ground. While ducks offer many advantages over hens, they must be given greater quantity of food, especially if regular eggs are desired. An adult duck will eat between 170 to 200 grams of food a day. If the ducks have access to grass and a pond, they will be able to find for themselves approximately 70% of their daily dietary, requirements in warmer months but less than half that in colder times. Therefore, it is important that they are fed enough food, such as grain, every day. Experienced duck keepers raise ducklings every three years or so because it is after this period of time that ducks’ egg-laying powers begin to seriously weaken. If the aim is to hatch duckling, keepers should be aware that not all ducks make good mothers, and that certain breeds of duck appear to be worse than others. The poor mothers abandon their eggs a few days after laying them. A sure way of making sure the rejected eggs hatch is to place them next to chicken eggs under a hen. The eggs of ducks as food for humans have a mixed reputation. This is because of a number of cases of salmonella food poisoning in Europe in the 1970s. Although it was never conclusively shown that duck eggs were to blame, the egg-eating public stopped buying and many duck egg producers went bankrupt. Indeed, there is a risk of salmonella poisoning when ducks lay their eggs in damp conditions, such as on ground that is constantly wet but the same can be said for the eggs of hens. And commercial duck egg production in France and England, where the out-breaks of salmonella poisoning took place, followed the same standards as those used in the hen egg industry, which experienced no salmonella problems. (Storage of eggs, whether those of hen or duck, can also be a factor in contamination. Studies have found that bacterial growth reaches potentially dangerous levels at storage temperatures of 5℃ or greater.) The salmonella scare was over by the early 1980s, but, at least in smaller markets like Australia and New Zealand, few producers wished to risk investment in ducks for fear of problems. No large-scale commercial duck egg production exists in these countries. It has thus been left to small producers, and, more commonly, home duck keepers. Classify the characteristics listed below as belonging to D Ducks H Hens B Both ducks and hens NI If there is no information in the reading passage Write the appropriate letters in boxes 1-8 on your answer sheet. 1. lengthier laying period 2. better mothers 3. less likely to uproot plants 4. dangerous to grass 5. more eggs per week 6. eat more grain 7. beneficial to garden by eliminating pests 8. more vulnerable to illness
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单选题varfood=[“eggs”，“milk”，“cookies”]；food.splice（1，2，“bread”）；执行上面的代码，food的值是（）。A
[eggs，milk，cookies]B
[eggs，bread]C
[eggs，milk，bread，cookies]D
[milk，bread]
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单选题 When I was young, I spent my summer vacations on my grandparents' farm. The summer that I graduated from college, I 56 my grandparents once again. When I arrived,I discovered that there was a family 57 in progress. Grandpa's dog and hunting partner, Rusty, had taken on a very bad 58 in his old age. He had begun 59 into the chicken coop (鸡笼) and eating eggs. In the eyes of the local farmers, 60 dogs started stealing eggs, there was no 61 to cure them. They knew there was only one thing to be done 62 such a dog-you had to shoot it and the sooner the 63 . Rusty and Grandpa were old friends. Grandpa certainly didn't 64 to shoot Rusty,but he knew it needed to be done. The 66egg money was Grandma's private income, so you can imagine 65 she felt about the problem. 66 the inexperienced confidence of youth, I told Grandpa that I thought I couldcurethe egg-stealing dog. I wanted to at least have a 67 to save Rusty's life, and save Grandpa from the sadness of 68 Rusty. The next morning, I broke open six fiesh eggs and put them in Rusty's bowl 69 at the door to the chicken coop. Rusty came 70 and noticed the eggs. He quickly 71 the eggs and happily walked off for his nap (打盹). The following morning I did the 72 thing.I put the eggs a few feet away from the chicken coop, toward the back door of the farmhouse 73 Grandma usually fed Rusty. The next day I again moved the bowl closer to the house, and added some dog food to the eggs. Every day I moved the bowl closer to the back door, mixing more dog food and 74 eggs. By the time the bowl reached the door, it was all dog food and no eggs. Rusty had again become 75 to looking for his food at the back door of the house, and never again went into the chicken coop.62.A.in B.at C.for D.withA
AB
BC
CD
D
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单选题 When I was young, I spent my summer vacations on my grandparents' farm. The summer that I graduated from college, I 56 my grandparents once again. When I arrived,I discovered that there was a family 57 in progress. Grandpa's dog and hunting partner, Rusty, had taken on a very bad 58 in his old age. He had begun 59 into the chicken coop (鸡笼) and eating eggs. In the eyes of the local farmers, 60 dogs started stealing eggs, there was no 61 to cure them. They knew there was only one thing to be done 62 such a dog-you had to shoot it and the sooner the 63 . Rusty and Grandpa were old friends. Grandpa certainly didn't 64 to shoot Rusty,but he knew it needed to be done. The 66egg money was Grandma's private income, so you can imagine 65 she felt about the problem. 66 the inexperienced confidence of youth, I told Grandpa that I thought I couldcurethe egg-stealing dog. I wanted to at least have a 67 to save Rusty's life, and save Grandpa from the sadness of 68 Rusty. The next morning, I broke open six fiesh eggs and put them in Rusty's bowl 69 at the door to the chicken coop. Rusty came 70 and noticed the eggs. He quickly 71 the eggs and happily walked off for his nap (打盹). The following morning I did the 72 thing.I put the eggs a few feet away from the chicken coop, toward the back door of the farmhouse 73 Grandma usually fed Rusty. The next day I again moved the bowl closer to the house, and added some dog food to the eggs. Every day I moved the bowl closer to the back door, mixing more dog food and 74 eggs. By the time the bowl reached the door, it was all dog food and no eggs. Rusty had again become 75 to looking for his food at the back door of the house, and never again went into the chicken coop.74.A.fewer B.more C.little D.fewA
AB
BC
CD
D
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单选题What they are（）about is which comes first: the chicken or the egg?A
summingB
strikingC
stirringD
arguing
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单选题有如下主题帖表：主题帖（编号C，用户名C，标题C，内容M，发帖时间T，点击数N，回复数N）查询回复数最高的主题帖（可能有多个），正确的SQL语句是（ ）。A
SELECT*FROM主题帖WHERE回复数=（SELECT回复数FROM主题帖）B
SELECT*FROM主题帖WHERE回复数=ANY（SELECT回复数FROM主题帖）C
SELECT*FROM主题帖WHERE回复数=SOME（SELECT回复数FROM主题帖）D
SELECT*FROM主题帖WHERE回复数=ALL（SELECT回复数FROM主题帖）
考题
单选题The writer gives the example of the egg to _____.A
tell us that eggs are easy to breakB
show how to wear a seat beltC
show why it’s important to wear a seat belt in a carD
tell us what a skateboard is
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