If a baby bird stays ________ for two or three weeks after leaving the nest, it has a fair chance of becoming an adult.

试卷相关题目

• 1Every time he tried to start the car，the wheels __________ deeper into the mud．

  A.stayed

  B.dropped

  C.struck

  D.sank

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• 2Mrs. Smith locked both the front and the back doors before she went to bed ________ that a thief might steal into the house.

  A.so

  B.for fear

  C.unless

  D.in case

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• 3Mary becomes fatter. She _______ ten pounds last month.

  A.grew

  B.increased

  C.put on

  D.raised

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• 4The sport teaches the ________ of obedience(服从)．

  A.important

  B.importance

  C.importantly

  D.importances

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• 5He was so _________ to hear of her illness that he couldn't sleep.

  A.worrying

  B.disturbed

  C.interrupted

  D.exciting

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• 6The soldiers ________ the enemies to give up their guns.

  A.had

  B.let

  C.made

  D.forced

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• 7Computers are __________ an important role in modern information times.

  A.making

  B.playing

  C.taking

  D.having

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• 8I used to play ping ________pong a lot in my spare time，but now l am ________in football．

  A.interest

  B.interests

  C.interesting

  D.interested

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• 9They have been working hard to ________ friendship between the two nations.

  A.build up

  B.bring up

  C.turn up

  D.open up

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• 10Although these few words sound simple enough，they have ________pointed out one of the causes of the population explosion．

  A.clear

  B.clearly

  C.clearing

  D.cleared

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