What does the author say about the ordinary people in the Third World countries?

A．They are beginning to realize the importance of environmental protection.

B．They believe that many children are necessary for prosperity.

C．They are reluctant to accept advice from the government.

D．They think that earning a living is more important than nature conservation.

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参考答案

A 【解析】由文章第二段“…in the Third World toward family size and a dawning realisation that environmental degradation．．．”。

1 What did the UN call on nations to do about CO2 and other greenhouse gases in 1992?

A．To sign a new climate treaty at Rio.

B．To draft an agreement among UN nations.

C．To force the United Sates to reduce its emissions.

D．To limit the release of CO2 and other gases.

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2 The word "deforestation" in Paragraph 3 means __

A．forest damage caused by pollution

B．moving population from forest to cities

C．the threat of climate change

D．cutting large areas of trees

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3 Which of the following best summarizes the text'?.

A．As the UN hesitates, the poor take action.

B．Progress in environmental protection has been made since the Rio Summit.

C．Climate changes can no longer be neglected.

D．The decline of earth's life-support systems has been halted.

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