As a leading scientist in maths,he once dived ________ it  and contributed to his motherland.     

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• 1-Have you drawn up that list of names yet?-No, but I'm working ________ it.

  A.out

  B.up

  C.on

  D.off

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• 2The rule is no longer__________in this are

  A.A.in effects

  B.taken effect

  C.of no effect

  D.in effect

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• 3Mary didn't accept the flowers,________,she didn't forgive me,which made me sad.     

  A.in other word

  B.that were to say

  C.in other words

  D.or rather

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• 4For many cities in the world, there is no room to spread out further,________ New York is an example.   

  A.for which

  B.in which

  C.of which

  D.from which

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• 5We met an old friend in New York _______ our expectation. She waved at us _______ the street whenshe saw us.

  A.with; in

  B.out of; next to

  C.in; out of

  D.beyond; from across

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• 6-He made an apology ________ be blamed ________ what he had done.-It's really wise of him.

  A.so as to not; of

  B.in order not to; for

  C.as to not so; for

  D.in order not to; of

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• 7Honesty is generally considered the best policy ________ you are stopped by the police at the accident spot.    

  A.in case

  B.even if

  C.so that

  D.only if

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• 8—You'd better leave the key at home __________ one of us should think of coming back.— Why? Is your key lost?

  A.in that case

  B.in case of

  C.in no case

  D.in case

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• 9________ the explanation of the book, we finally understood the meaning of the passage.

  A.With the help of

  B.Under the help of

  C.After the help of

  D.By the help of

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