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The sharks have changed very little, ________ they?


  1. A.
    have
  2. B.
    haven't
  3. C.
    did
  4. D.
    didn't
A
本题中句子为现在完成时,助动词应该使用have,前半句中的little含有否定意思,因此,后半句反意疑问句只用have.
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【小题1】The following statements are about “predators”, which one is true?

A.A predator kills and eats other animals as prey.
B.A predator not only eat animals, but eat grass.
C.A predator can eat other animals, but also can be eaten.
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B.Because sharks can sense electrical currents(电流 )from other animals’ bodies
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A.Sharks’ finsB.Tigers’ skinsC.foodD.food and fun
【小题5】Among the sharks, the tigers, the polar bears and some people, which are the most dangerous predators on earth?
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A predator(捕食性动物) kills and eats other animals as prey(猎物).Sometimes it also becomes food for other predators. Polar bears are the largest of all the land predators. They can run across snow and swim in icy water for hours without rest. Their favorite food is seal. Not all big animals live on small animals. Hippos have heavy bodies and huge mouths. But they don’t eat animals. They just eat grass.

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  Some people hunt and kill more animals than any other predator. They not only hunt for food. They also hunt for fun. They kill sharks for their fins, and tigers for skins. Those human hunters are the worst predators on Earth.

1.The following statements are about “predators”, which one is true?

A.A predator kills and eats other animals as prey.

B.A predator not only eat animals, but eat grass.

C.A predator can eat other animals, but also can be eaten.

D.A predator can both run across snow and swim in icy water for hours.

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    A. Three         B. Four          C. Five          D. Six

3.Why do sharks can find some fish that try to hide themselves?

A. Because sharks can see, smell, hear, feel and taste.    

B. Because sharks can sense electrical currents(电流 )from other animals’ bodies

C. Because sharks have smooth bodies.

D. Because sharks never really sleep and never stop hunting.

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A. Sharks’ fins      B. Tigers’ skins      C. food        D. food and fun

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Mike and Dick work in the same office. They don’t like the cold weather. And one day they decided to take their holiday in Australia. Their plane arrived in Sydney at nine in the morning. They had a good rest in a hotel. The next morning they rented(租) a car in the city and began their travel. A few hours later the sun was shining in the sky and there were no shade trees(遮阴树) beside the road. It was so hot that they could hardly go on driving. They had to stop to look around. Mike found a river was about half a kilometer away from them. They were both very happy and drove the car quickly. Soon they got to the river. Before they jumped into the water, Dick saw a boy playing under a big tree. He asked,“Are there any sharks(鲨) in the river, boy?”“No, there aren’t,”answered the boy. So they began to swim in the river. After a while, Dick felt something hit against his leg. He told Mike about it. They were afraid and stopped swimming. Dick asked loudly,“Is it true that there aren’t any sharks in the river?”“Yes, sir,”said the boy,“there’re a lot of crocodiles(鳄鱼) in the water. All the sharks have swum away!”
根据短文内容,回答下列问题。

  1. 1.

    When did they arrive in Sydney?
    ___________________________________________________________________________

  2. 2.

    What was the weather like the next day?
    ___________________________________________________________________________

  3. 3.

    What did they do in the river?
    ___________________________________________________________________________

  4. 4.

    A shark hit Dick’s leg, didn’t it?
    ___________________________________________________________________________

  5. 5.

    Why weren’t there any sharks in the river?
    ___________________________________________________________________________

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