题目内容

20.John is a creative person.He can often________ideas that are surprising to his classmates.(  )
A.come acrossB.come up toC.come up withD.come into

分析 约翰是一个有创造性的人,他能经常想出一些令同学们感到惊讶的想法.

解答 答案:C,考查动词短语的辨析,come across"偶遇,偶然发生",come up to"达到,将近,走到近旁",come up with"想到,提出,赶上",come into"进入,参加",由后面的名词ideas可知是"想到一些想法",故答案为C.

点评 此题考查固定搭配,在平时的学习中,对某些动词短语要多加以积累.

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Mass Migration  Look up at the sky one autumn day and you might see a flock of birds in V-formation.(71)DAll summer,they have lived in the north where they made their nests,laid their eggs,hatched,and raised their young.Soon,snow and ice will cover all their northern breeding grounds,so they must migrate south where food is easier to find.It is necessary to create worldwide bird sanctuaries(保护区) before many of these species become extinct(灭绝).
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Somehow,migrating birds know exactly where they are going and how to get there.It is amazing to think about how birds are able to return to the same place year after year.(74)F Other scientists believe that migratory birds navigate by following certain coastlines,mountains,and rivers.However they do it,these amazing creatures always arrive in the right place at the right time.In the spring,they return to their nesting grounds up north to lay their eggs and care for their young.
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D.They are flying south where there is warmth and food during the winter.
E.Birds fly around the world according to the weather year around year.
F.Some scientists think it is possible for birds to use the stars to find their way.
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