Sound travels in the same way as light _____.

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• 1It's reported that by the end of this month the output of cement in the factory _____ by about 10%.

  A.will have risen

  B.has risen

  C.has been risen

  D.will be rising

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• 2Mr. Li arrived at the Wuguang train station twenty minutes ago, but the train to Guangzhou________yet.

  A.hadn't come

  B.won't come

  C.hasn't come

  D.didn't come

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• 3The first use of atomic weapons was in 1945. and their power _____ increased enormously ever since.

  A.is

  B.was

  C.has been

  D.had been

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• 4More than one teacher _____ told him it is important that he learn English well if he _____ aboard.

  A.have; shall go

  B.has; want to go

  C.has; wants to go

  D.had; will go

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• 5My grandma_____in the country. Now she_____in the city.

  A.used to live, lives

  B.used to living, lived

  C.uses to live, is living

  D.was used to live, lives

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• 6Great changes ______ in the city, and a lot of new buildings ______.

  A.have been taken place; have been set up

  B.have taken place; have been set up

  C.have taken place; have set up

  D.were taken place; were set up

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• 7The first thing she did _____ up to her trainer and thanked her.

  A.was go

  B.was going

  C.and went

  D.go

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• 8One recent prediction is that within the next 50 years, it ______ possible to link the human brain directly with a computer．

  A.is

  B.will be

  C.would be

  D.Was

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• 9A: What's the matter, Sara? You wear a sad look on your face. B: Oh, nothing much. As a matter of fact, I _______ of my friends back home.

  A.just thought

  B.have just been thinking

  C.was just thinking

  D.have just thought

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• 10The big city has always been the dream career destination of college students. But of late a trend of heading back home ________a part of future job considerations.

  A.has become

  B.had become

  C.becomes

  D.will become

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