完形填空
閱讀下列短文,從文后各題所給的四個(gè)選項(xiàng)中選出一個(gè)最佳答案。
Do you know why different animals or pests(害蟲) have their special colors? Colors in them seem to be mainly used to
___1___ themselves.
Some birds like eating locusts(蝗蟲), but birds cannot
___2___catch them. Why? It is because locusts change their
__3___ with the change of the colors of crops. When crops are green, locusts look
___4___. But as the harvest time comes, locusts change into the same brown color
__5___ crops have. Some other pests whose colors are
___6__ plants are easily found and eaten by
___7___. So they have to hide themselves for lives and appear only
__8____.
If you
___9___ animals’ life, you’ll find the main use of colors is to protect
__10___. Bears, lions and other animals
___11___ quietly through forests. They cannot be easily seen by hunters
___12___ their colors are much like the trees.
Colors are useful not only on the land, but also in the
__13___. A kind of fish can
__14____ a kind of black liquid(液體) when they face danger. The liquid spreads over quickly, so they cannot be found by their enemies and can quickly swim away. That is
___15____ they can live safely though they are not strong at all. So colors are really useful to animals.
小題1: | A.show | B.protect | C.kill | D.interest |
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小題2: | A.easily | B.freely | C.safely | D.differently |
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小題3: | A.sizes | B.smells | C.colors | D.shapes |
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小題4: | A.yellow | B.red | C.black | D.green |
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小題5: | A.so | B.a(chǎn)s | C.like | D.with |
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小題6: | A.different from | B.same as | C.similar to | D.opposite with |
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小題7: | A.other | B.others | C.the others | D.a(chǎn)nother |
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小題8: | A.in the morning | B.a(chǎn)t noon | C.a(chǎn)t night | D.in the daytime |
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小題9: | A.study | B.write | C.draw | D.work |
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小題10: | A.them | B.themselves | C.it | D.itself |
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小題12: | A.because | B.so | C.a(chǎn)nd | D.a(chǎn)lthough |
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小題13: | A.forests | B.desert | C.sea | D.mountains |
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小題14: | A.keep out | B.come out | C.look out | D.give out |
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