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阅读理解。

According to the UN Intergovernmental Panel (专家咨询组) on Climate Change, global temperatures have risen by approximately 0.6℃ in the past century, caused mainly by emissions of greenhouse gases produced by human activities,such as the burning of fossil fuels and deforestation.Temperatures are to increase between 1.6℃ and 5.8℃ in the next century, accompanied by sea level rise and an increase in the frequency of extreme weather events.

The best available evidence suggests that climate changes since the 1970s may already be causing over 150,000 deaths annually, and that greenhouse gas emissions would increase disease burdens in the coming decades.The risks are concentrated in the poorest population, who have contributed least to the problem.

The Kyoto Protocol (京都议定书) is signed by 128 nations,and commits the participating industrialized countries to cutting emissions of greenhouse gases by over 5% below 1990 level by the period of 2008?2012.

“Over 600 thousand people died in weather?related disasters in the 1990s.Temperature and rainfall influence the rates of diseases and infections including malaria,and malnutrition,which together cause over 3.5 million deaths a year.The Kyoto Protocol is the first step towards protecting the climate system,which exerts such a strong influence on our health”,said Dr Kerstin Leitner,Assistant Director?General for Sustainable Development and Healthy Environments.

While acting to reduce greenhouse gas emissions, it is also essential to protect vulnerable (脆弱的) communities from the effects of climate changes.WHO works to promote measures such as protection from malaria and other climate sensitive diseases, and reliable access to clean water and sanitation, for people in the most vulnerable developing countries.Increasing disease control efforts will also help to protect current and future generations from the impacts of greenhouse gas emissions.

1.According to the passage, what is the reason for the rise of global temperatures?

A.The burning of fossil fuels.

B.The rise of sea level.

C.Extreme weather disasters.

D.The emissions of greenhouse gases.

2.Which of the following is true?

A.Weather?related disasters caused over 3.5 million deaths.

B.The climate system has a deep impact on human health.

C.The members of the Kyoto Protocol are all industrialized countries.

D.The poorest population are to blame because they contribute least to the problem.

3.In order to protect communities, WHO takes some measures except________.

A.preventing diseases caused by climate changes

B.helping to provide clean water

C.aiding to offer sanitation

D.gaining access to vulnerable developing countries

4.What does the passage mainly talk about?

A.Climate changes and the effects on human health.

B.Climate changes cause over 15,000 deaths annually.

C.Who promotes measures such as protection from malaria.

D.The Kyoto Protocol helps to protect human health.

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