As we all know, _______ mankind has realized the walk in ______ space.

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• 1I prefer to eat in that restaurant, because the _______ of service there has improved a lot.

  A.quality

  B.schedule

  C.principle

  D.guidance

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• 2Tom ______ in the library every night over the last three months.

  A.works

  B.worked

  C.have been working

  D.had been working

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• 3She's in a hopeless situation, _____ we will keep a very close eye on.

  A.where

  B.when

  C.which

  D.that

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• 4It's quite obvious that the aging population in China will cause _____heavy pressure on _____whole society in the future.

  A./ ,the

  B.the ,/

  C.a ,the

  D.a ,a

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• 5I'd like to buy a house—modern, comfortable, and________in a quiet neighborhood

  A.in all

  B.above all

  C.after all

  D.at all

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• 6I have bought two pens, ______writes well.

  A.neither of them

  B.neither of which

  C.none of which

  D.both of which

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• 7He must be from America, _______ can be judged from his accent.

  A.that

  B.which

  C.it

  D.where

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• 8Considering his health, I advise him to ______ an hour or two each day to work out.

  A.set about

  B.set off

  C.set up

  D.set aside

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• 9The teacher paused on purpose __________ the students to stop talking.

  A.reminded

  B.reminds

  C.to remind

  D.having reminded

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• 10The survey ____ in our school last month shows that about three percent of the students are addicted to the Internet games.

  A.conducted

  B.was conducted

  C.conducting

  D.to be conducted

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