With age, the mineral content of human bones decreases, ______ them more fragile.

试卷相关题目

• 1To learn more about the book, Saving Ourselves, ___________ to www.savingourselves.com.

  A.going

  B.to go

  C.gone

  D.go

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• 2---- Mum, why do you always make me eat an egg every day? ---- _________ enough protein and nutrition as you are growing up.

  A.To get

  B.Get

  C.Getting

  D.To be getting

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• 3The simple old man died, _______ .

  A.never talking of

  B.never to be spoken

  C.never to be spoken of

  D.never hearing

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• 4He ran as fast as he could _____ to catch the early bus.

  A.to hope

  B.hope

  C.hoping

  D.Hoped

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• 5To test eggs, _____ them in a bowl of water: if they float they're bad, if they sink they're good.

  A.put

  B.Putting

  C.to put

  D.to be putting

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• 6The long and tiring talk, filled with arguments and quarrels, ended in disorder,________ no agreement at all.

  A.reaching

  B.reached

  C.to reach

  D.being reached

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• 7To answer correctly is more important than  _______ .

  A.a quick finish

  B.to finish quickly

  C.finishing quickly

  D.you finish quick

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• 8They would not allow him _______ across the enemy line.

  A.to risk going

  B.risking to going

  C.for risk to go

  D.risk going

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• 9Heat capacity is the amount of energy it takes ________the temperature of a substance one degree centigrade.

  A.raising

  B.rising

  C.to raise

  D.to rise

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• 10Everyone in our class was working hard and doing what we could _______ a good college.

  A.Enter

  B.to enter

  C.Entering

  D.entered

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