Smoking is one of the________causes of cancer, killing millions of people each year.

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• 1Studies show that 'people are more_________ to suffer from back problems if they always sit before computer screens for long hours.    

  A.likely

  B.possible

  C.probable

  D.sure

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• 2______of time and energy has been spent in making the earthquake-stricken areas a permanent museum to remind people how disastrous a natural disaster can be.

  A.Large quantities

  B.A great deal

  C.A great many

  D.A plenty

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• 3Our boss is an________person. He is willing to listen to,  think about or accept different ideas.

  A.openminded

  B.absentminded

  C.openmind

  D.absencemind

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• 4Much to our surprise, his new book became an__________ success.     

  A.instant

  B.instructive

  C.interesting

  D.inexpensive

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• 5I don't want to continue working with him, for I  can't bear his _______ complaints recently.

  A.continuous

  B.constant

  C.continuously

  D.constantly

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• 6The beautiful scenery in Switzerland is very ________to the tourists from the whole world.

  A.grateful

  B.attractive

  C.valuable

  D.popular

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• 7It is _____ for her to finish that maths problem in such a short time, because she is so clever.

  A.probable

  B.impossible

  C.likely

  D.possible

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• 8A lot of small companies have to fight for _____ in such economic climate.   

  A.survival

  B.survivor

  C.survive

  D.exist

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• 9In those days, our _____ concern was to provide people who were stopped by the snow storm with food and health care.

  A.normal

  B.constant

  C.permanent

  D.primary

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• 10 ______ students with their teachers ______ a good weekend.     

  A.Many a; has

  B.A large number of; had

  C.A large amount of; had

  D.A lot of; has had

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