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    We’ve talked about snails (蜗牛) and their slow move. But much of the time snails don’t move at all. They are in their shells (壳) —sleeping.
    Hot sun will dry out a snail’s body. So at the least sign of hot sun, a snail draws its body into his shell. A snail will die in a heavy rain. So when it rains, a snail does the same thing, too. A snail can sleep for as long as it needs to. It spends all the winter months in its shell, asleep.
    In the spring the snail wakes up. Its body, about three inches long, comes out from the shell. When hungry, the snail looks for food. Its eyes, at the end of the top feelers (触角), are very weak. But its sense (感觉) of smell is very strong. It helps the snail to find food and the new greens.
    A snail’s mouth is no bigger than the point of a pin (大头针). Yet it has 256,000 teeth! The teeth are very small, and you can’t see them. If you put a snail in a hard paper box, it will eat its way out! And if a snail wears out its teeth, it will grow new ones.
    小题1: A snail _________.
    A．moves more slowly at nightB．has thousands of feet
    C．doesn’t move at all　　D．sleeps much of the time
    小题2: In the sentence “A snail draws its body into its shell”, the word “draw” means _____.
    A．to make with a pencilB．to pushC．to pullD．to move away
    小题3: From the story, we know _________.
    A．a snail’s shell is very thinB．a snail can’t see well
    C．a snail’s nose is quite short D．a snail’s body changes in different seasons
    小题4: A snail goes to sleep when _____.
    A．it feels hungry B．it is put into a paper boxC．spring is coming D．it rains heavily
    小题5:Which of the following is wrong?
    A．In winter the snail doesn’t eat or move.B．A snail doesn’t like living under the sun
    C．The snail’s teeth can’t be worn out.D．The snail’s nose helps to find food.

    小题1:D
    小题1:B
    小题1:B
    小题1:D
    小题1:C

    小题1:根据But much of the time snails don’t move at all. They are in their shells (壳) —sleeping.描述,可知选D
    小题1:联系上文Hot sun will dry out a snail’s body. So at the least sign of hot sun,可知蜗牛把他的身体推动进入贝壳里面,故选B
    小题1:根据Its eyes, at the end of the top feelers (触角), are very weak.可知选B
    小题1:根据So when it rains, a snail does the same thing, too. A snail can sleep for as long as it needs to.描述，可知选D
    小题1:根据And if a snail wears out its teeth, it will grow new ones.描述，可知蜗牛的牙齿磨损后可以再生，故选项C，描述错误。
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    ?
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