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We've talked about snails（蝸牛）and their slow move．But much of the time snails don't move at all．They're in their shells（殼）-sleeping．
Hot sun will dry out a snail's body．So at the least sign of hot sun，a snail draws its body into its shell and closes the opening with a thin cover．Then it goes to sleep．A snail will die in a heavy rain．So whenever it rains，it goes inside its shell house and goes to sleep．A snail can sleep for as long as it needs to．It can take a short sleep．Or it can sleep for days at a time．And it spends all the winter months in its shell，asleep．
In spring the snail wakes up．Its body，about three inches long，comes out of from the shell．When hungry，the snail looks for food．It can't see very well．Its eyes，at the ends of the top feelers（觸角）are very weak．But its sense of smell is very strong．It helps the snail to the new greens．Then the snail's little mouth goes to work．
A snail's mouth is no longer than the point of a pin（針）．Yet it has 256，000 teeth!The teeth are so small that you can't
see them．But they do their work．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．
Mostly，a snail looks for food at night．But on cloudy days it eats in the day time．It cats all day long．A snail can go on eating for hours and never feel full．
（1）A snail DD．
A．moves more slowly in the day time
B．has thousands of feet
C．doesn't move at all
D．sleeps much of the time
（2）In the sentence"A snail draws its body into its shell"the word"draw"means CC．
A．to make with a pen
B．to keep away from
C．to pull
D．to move to end
（3）From the story we know BB．
A．the snail's shell is very thin
B．a(chǎn) snail can't see well
C．the snail's nose is quite short
D．the snail's body changes in different seasons
（4）A snail goes to sleep when DD．
A．it feels hungry B．it is put in a paper box C．spring is coming D．it rains heavily
（5）Which of the following in not true？ CC
A．A snail doesn't like living under the sun．
B．In winter the snail doesn't eat or move．
C．The snail's teeth can't be worn out．
D．The snail's strong sense of smell helps to find things far away．
【答案】D；C；B；D；C
【解答】
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發(fā)布：2025/1/3 18:0:1組卷：1引用：1難度：0.5
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1．Passage A
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Are scientists sure that there is no life on other planets？
At this stage（階段） we still cannot be sure.All the planets，except the Moon and Mars，are so far away that it will take hundreds of years for spaceships to reach them！
（1）The best title for this passage is "".
A.Scientific Wonders：Space-creatures
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A.all the planets，except the Moon，are so far away that it will take hundreds of years for our spaceships to reach them
B.all the planets are too far to reach
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A.The stories about space-creatures are true.
B.Space-creatures are in stories.
C.Space-creatures are in films.
D.Many scientists are asking if there is life on other planets.
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A.All the planets are either too hot or too cold.
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