Radium salts，which have been found to ______ in bones，give rise to bone cancer.

试卷相关题目

• 1---They haven't finished the work up to now . ---Well , he ______.

  A.should have

  B.should

  C.ought to

  D.ought have

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• 2—What do you think of the book? —Oh,great.It's ______ a second time.

  A.worth to read

  B.worth of reading

  C.worthy to be read

  D.worthy of reading

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• 3---Are you in a hurry? ---No, in fact I've got plenty of time. I_______wait

  A.must

  B.can

  C.need

  D.should

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• 4Daisy wants to be ______ engineer while Jack wants to be ______ teacher.

  A.an; the

  B.the; the

  C.an; a

  D.the; a

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• 5---Do you go to swim every day? ---No, but I ________

  A.used to do

  B.used

  C.used to do it so

  D.used to

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• 6--- What happened to your shoes? --- They want ______ . 

  A.to mend

  B.being mended

  C.mending

  D.mended

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• 7I don't think the watch will ______ much. It is ______ ＄30 at most

  A.cost ,worth　

  B.worth ,cost　

  C.spend ,worth

  D.worth ,spend

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• 8---What did you do last night ? ---______ a composition , I finished my physics homework.

  A.Instead of

  B.Apart from

  C.In addition

  D.Thanks to

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• 9---Sorry, I'm late for work. ---Is that ______ you got stuck in a traffic jam again?

  A.why

  B.how

  C.because

  D.when

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• 10He has read two novels _______ .

  A.recent

  B.late

  C.lately

  D.ago

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