________ they become dirty, the lakes are not able to clean themselves

试卷相关题目

• 1I have the same opinion as you ________ the privacy of one's life should be kept secret．

  A.that

  B.which

  C.whether

  D.where

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• 2The captain gave an order in the difficult situation________the sailors throw away everything that was on board the ship.

  A.what

  B.which

  C.as

  D.that

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• 3--- You seemed to be deeply struck by his skill. --- Not exactly. It was his courage ________ his skill that really struck me most.

  A.other than

  B.as well as

  C.but also

  D.apart from

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• 4 _______he is working much harder, he won't have any trouble passing the entrance exams.

  A.Ever since

  B.In case

  C.Even though

  D.Now that

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• 5Follow your doctor's advice, ______ your cough will get worse.

  A.or

  B.and

  C.then

  D.so

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• 6Tina was hesitation about the job offer as she did not know _______ the company was an established one.

  A.whether

  B.what

  C.until

  D.although

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• 7Well,______ I think you've helped me .I must thank you all the same.

  A.now that

  B.however

  C.since

  D.anyhow

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• 8―I'm considering returning home. I just can't get used to the food here. ―Take it easy.  _______.

  A.Storms make trees take deeper roots.

  B.East or west, home is best.

  C.From small beginning come great things.

  D.All things are difficult before they are easy.

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• 9It was only after he had spent several nights digging around the cross ________ he decided to write to Kit Williams to find out if he was wasting his time there.

  A.that

  B.how

  C.and which

  D.what

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• 10There is growing tendency among middle-school students___________they will do some voluntary work during their vacation.

  A.which

  B.why

  C.how

  D.that

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