Exploring ________space is exciting, yet dangerous. There is ________need for both robots and humans for space exploration.

试卷相关题目

• 1—Andrew won't like it, you know. —________？ I don't care what Andrew thinks!

  A.So what

  B.So where

  C.So why

  D.So which

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• 2The poor child stood there, and ________ what to do, turned to his father for help.    

  A.not knowing

  B.not knew

  C.not to know

  D.not know

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• 3—How do you find your new classmates? —Most of them are kind, but ________ is so good to me as Bruce.

  A.none

  B.no one

  C.everyone

  D.someone

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• 4He had lost his temper and his health in the war and never found ________ of them again.(2010·重庆)

  A.neither

  B.either

  C.each

  D.all

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• 5We've been looking for cheap houses but haven't found ________ yet.

  A.one

  B.other

  C.it

  D.that

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• 6Economic growth in the world remains weak throughout 2013 and it is hoped that it will ________ gradually in 2014.

  A.break up

  B.pick up

  C.make out

  D.work out

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• 7The hotline ________ be very busy，but keep trying and you'll get through．

  A.should

  B.must

  C.can

  D.would

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• 8Research shows that humans ______ from selfish to unselfish behavior when they are watched.

  A.tell

  B.switch

  C.range

  D.distinguish

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• 9一Mae Whitman's mother is a voice-artist and her father builds sets on stage. ――＿____＿she ended up in acting.

  A.There is no doubt

  B.It is no surprise

  C.There is no point

  D.It is no use

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• 10I just choose a simpler lifestyle，________ where I can ride my bike all over and do not have to make a great living to survive.

  A.that

  B.it

  C.one

  D.another

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