Nowadays，scientists are working hard to find a best way of treating addictions ________ drugs.

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• 1The official made the demand that the soldiers ______ at once _____ battlefront.  

  A.leave; for

  B.to leave; to

  C.left; to

  D.to be left; for

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• 2He came here ______ to discuss it with you.

  A.on purpose

  B.by chance

  C.for purpose

  D.on design

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• 3It is said ______ vegetables and fruits are good to our health, apples and pears _________.

  A.that, including

  B.what, including

  C.that, included

  D.what, included

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• 4The 11 th China International Consumer Goods Fair could not have succeeded ______ the volunteers.

  A.with

  B.because of

  C.as a result of

  D.without

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• 5______ economy in some European countries worsening, many more workers had to be laid off.

  A.With

  B.By

  C.For

  D.Beyond

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• 6An increasing number of products made in China are ______ good quality but much less expensive than those from abroad.

  A.on

  B.in

  C.for

  D.of

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• 7__________,  he caught up with others.

  A.With the help of the teacher's

  B.With the teacher's help

  C.By the teacher's help

  D.On the teacher's help

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• 8We give dogs time，space and love we can spare，and ________，dogs give us their all.

  A.in all　　　

  B.in fact

  C.in short

  D.in return

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• 9The fishermen were illegally arrested just several miles ______ the north coast.

  A.on

  B.off

  C.along

  D.by

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• 10The sentence，which puzzled John，was also ______ me and we had to turn to our English teacher for help.

  A.beyond

  B.over

  C.after

  D.off

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