Now methods need to be ______ to use the existing water resources, for example, turning sea water into fresh water.

试卷相关题目

• 1It is ten years since we ________ each other last time.   

  A.see

  B.have seen

  C.saw

  D.had seen

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• 2The hunter calmly picked up his gun,took the aim and fired, ______ the beast.

  A.bringing down

  B.pulling down

  C.falling dowing

  D.putting down

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• 3The young writer _________ his success to his teacher's encouragement.

  A.paid

  B.cost

  C.gave

  D.owed

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• 4Though she  _______for a moment, she finally went in and asked to see a dress that was in the window.

  A.dared

  B.nerved

  C.wondered

  D.hesitated

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• 5Thanks a lot for the trouble you ______ to help us.

  A.took

  B.put

  C.made

  D.had

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• 6You may not understand what they have done, because they _______ a younger generation.

  A.belong to

  B.are belonged to

  C.are belonging to

  D.will be belonged to

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• 7Quite a few problems _____ after the new examination system was introduced, and the number of students in this school _____by 5% Last year.

  A.arose; raised

  B.arose; rose

  C.rose; raised

  D.raised; rose

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• 8We are going to ________ a dinner party on New Year's Eve.

  A.do

  B.have

  C.play

  D.join

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• 9At the opening ceremony, the chairman ______ a speech to welcome the guests from more than twenty centuries.

  A.delivered

  B.spoke

  C.said

  D.stated

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• 10He came up with a new ______ to the problem at yesterday's meeting.

  A.way

  B.method

  C.means

  D.approach

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