A container weighs more after air is put in, ____proves that air has weight.

试卷相关题目

• 1Check your paper carefully to see ________ you have made any mistakes

  A.what

  B.which

  C.whether

  D.that

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• 2Being League members, ______ we ought to work hard at our lessons;___ we ought to take an active part in social activities.

  A.on one hand…on other hand

  B.on the one hand….on the other hand

  C.on the one hand…on the other

  D.B and C

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• 3We should pay attention ____ to industry ____ to agriculture.

  A.either ,or

  B.neither ,nor

  C.not ,but

  D.both ,and

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• 4Government should make sure ____ all sculptures are kept well when removed

  A.that

  B.if

  C.whether

  D.how

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• 5She negotiated with her new boss and accepted the position ______ there would be opportunities for advancement.

  A.in case that

  B.on condition that

  C.for fear that

  D.in order that

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• 6He was seriously ill. That's _______ he didn't appear at the party.

  A.because

  B.what

  C.why

  D.when

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• 7His words reminded me ______ a woman had told me before.

  A.that

  B.of which

  C.what

  D.of what

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• 8Why these things happened was _______ the driver had been careless.

  A.because of

  B.owing to

  C.due to

  D.that

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• 9______ we can't understand is _______ he didn't join us in our discussion.

  A.That; why

  B.Which; how

  C.What; what

  D.What; why

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