______ will make the world better．

试卷相关题目

• 1Trees must be grown in ______.

  A.China

  B.the USA

  C.some countries

  D.every part of the world

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• 2The Great Green Wall in China is ______ long．

  A.7,000 kilometers

  B.1,700 kilometers

  C.7,000 meters

  D.400 kilometers

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• 3A lot of good land has gone with ______．

  A.sand

  B.water

  C.wind

  D.forests

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• 4In 1620, about ______ the USA was covered by forests．

  A.a third

  B.half

  C.two thirds

  D.a fourth

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• 5Why do you think tigers are in danger ？

  A.Because a lot of people kill them for their fur .

  B.Because a lot of people think they are dangerous .

  C.Because tigers couldn’t find enough food to eat .

  D.Because a lot of people kill them for their own safety .

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