We must ______ known to all that smoking is harmful to heart

试卷相关题目

• 1----Has the National Indoor Stadium been completed? ----Not yet .It's still _________ construction

  A.in

  B.at

  C.on

  D.under

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• 2The accident is ______ reminder of the potential dangers involved in ______ oil production in this are

  A.A.a; the

  B.the; /

  C.the; the

  D./; a

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• 3—Did you get home a little earlier yesterday? —No. It was six o'clock ________ we got home

  A.that

  B.when

  C.since

  D.after

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• 4She seemed ________ the book before, but she said she had never

  A.to read

  B.to have read

  C.to be reading

  D.reading

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• 5When ______ with any difficulty, you should not give up easily.

  A.facing

  B.faced

  C.to face

  D.being faced

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• 6Have you seen the man ___________on the grass in the picture?

  A.lay

  B.lain

  C.laying

  D.lying

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• 7You know I have no ______for foreign languages.

  A.present

  B.gift

  C.knowledge

  D.character

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• 8______the sales of computers up by 20%every year ,our company is becoming larger.

  A.As

  B.For

  C.With

  D.Through

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• 9The room, although ______ to be kept locked, was often left open.

  A.supposing

  B.supposed

  C.to be supposed

  D.having supposed

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• 10----- The windows must have taken you quite a long time that day. ----- Right. They ______ for months

  A.haven't been cleaned

  B.didn't clean

  C.hadn't been cleaned

  D.haven't cleaned

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