Lately some scientists are experimenting ___________ white mice to ____________ this kind of medicine.

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• 1I'm writing this letter ________ my mother, who wants to thank you for your nice gift.

  A.in order to

  B.in behalf of

  C.on behalf of

  D.in terms of

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• 2____________ will we give in to the difficulties. Which of the answers can't be chosen?

  A.On no condition

  B.At no time

  C.In no time

  D.Never

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• 3The teacher was satisfied _______the progress he had made,because he rid himself ________ being lazy and careless.

  A.about;of

  B.with;from

  C.with;of

  D.at;off

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• 4Some people feel easy and comfortable to be served by others but when they are asked to serve others ______, they are unwilling or even hate to do so.

  A.in turn

  B.in their turns

  C.in their turn

  D.by their turn

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• 5You ought to write a“T”_____ true in front of the statement． _____ Each mistake that you make you' ll lose one point．

  A.with：In

  B.for：For

  C.by；With

  D.on；By

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• 6The coach usually does not only keep an eye on the development of each individual member but on that of the group _____  .

  A.on a large scale

  B.on the whole

  C.as a whole

  D.at great length

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• 7It took a great deal of courage to admit that all his efforts had been ____.

  A.in vain

  B.in turn

  C.in return

  D.in danger

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• 8What people say is unimportant; what people mean _______ what they say is everything.

  A.for

  B.in

  C.by

  D.with

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• 9Soon came the bad news _____ the ship sank when it sailed ____ the coast.

  A.that; off

  B.which; on

  C.that; away

  D.which; along

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• 10The great fire burned down _____ about 100 buildings.

  A.as many as

  B.as much as

  C.so many as

  D.so much as

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