Which of the following sentences is true, according to the passage、

试卷相关题目

• 1The reading mainly tells us something about ___________.

  A.water recycling

  B.the International Space Station

  C.a high-tech machine

  D.the cost of NASA

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• 2Scientists plan to get rid of bacteria in the wastewater by ___________.

  A.freezing

  B.heating

  C.shaking

  D.precipitating (沉淀)

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• 3At present it costs NASA about _________ dollars to transport water up to an astronaut at the ISS a day.

  A.4.4 thousand

  B.11 thousand

  C.48.4 thousand

  D.24 million

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• 4NASA will use a high-tech machine to recycle wastewater at the ISS to __________.

  A.protect the ISS

  B.make astronauts at ISS work harder

  C.provide better water and food for ISS astronauts

  D.save the cost of transporting water up to the ISS

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• 5The reading mainly talks about ___________.

  A.the invention of tea

  B.the way of drinking tea

  C.the history of tea bags

  D.people’s favorite tea in the world

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