This passage is most probably ________.

试卷相关题目

• 1The writer of this passage ________.

  A.gives an objective account of the mirrors

  B.seems to be much worried about the effect of the mirrors

  C.is in favour of the wide use of the mirrors

  D.suggests that artificial daylight is harmful to living being

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• 2The purpose for turning night into day is to ________.

  A.confuse animals and plants

  B.light up more cities

  C.save energy and deal with emergencies

  D.enable people to work longer hours

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• 3The reflected light should sweep slowly along the surface of the earth because the mirrors ________.

  A.would be operated by solar-powered engines

  B.would orbit thousands of miles high to catch the sun’s light

  C.could move around the earth at the same speed as the earth turns on its axis

  D.could be made to adjust their angles

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• 4Which of the following is NOT TRUE of the mirrors、

  A.They would be made of plastic and coated with aluminum.

  B.They could be launched directly into space.

  C.They would stay in the same position over the earth.

  D.They could reflect sunlight to a large area on the earth.

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• 5The word “colossal” in Line 3 most likely means ________.

  A.nuclear-powered

  B.orbiting

  C.giant

  D.spinning

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• 6What is most important to agriculture is ________.

  A.the amount of food it produces

  B.the per capital income of farmers

  C.its industrial performance

  D.the production of investment goods

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• 7The word “this” in Line 4 refers to ________.

  A.the provision of food and raw materials

  B.the productivity of farmers

  C.the production of investment goods

  D.the economy as a whole

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• 8The performance of farmers essentially determines ________.

  A.the size of the working population

  B.the organization of agriculture

  C.the market structure

  D.the general development of economy

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• 9This passage will most probably be followed by a discussion of ________.

  A.the structure of American farming population

  B.the market structure of American agriculture

  C.the various functions of American agriculture

  D.the organization of American agriculture

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• 10What is the main topic of this passage、

  A.The secret of Alamogordo.

  B.A new kind of war.

  C.The destructive force of the first atomic bomb.

  D.The selection of the test site for the first atomic bomb.

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