The health and welfare of every person in America will be affected by global warming, especially children, the elderly and the poor, according to a new White House science report.

The report said every region (地區(qū)) of the country will suffer worse health from heat waves and drought. All but a handful of states would have worse air quality and flooding. It predicts an increase in diseases spread by tainted (腐爛的) food, bad water and bugs (臭蟲).

The report concludes that climate change causes real risk to human health and human system that supports the way of life in the United States.

Man-made global warming is caused by greenhouse gases from the burning of fossil fuels. At current emission (放射) levels, global temperatures are likely to rise by about 2 degrees by midcentury and about 7.5 degrees by the end of the century.

The most vulnerable (脆弱的) Americans — the poor, elderly, sick, very young and immigrants — will suffer more. That’s at least 10 percent of the country’s population, probably more. It will be tougher for these people to get enough health care for climate-related illnesses, to cool down in heat waves, to escape extreme events such as Hurricane Katrina, and even to get enough food.

While every region of America is vulnerable to global warming’s health and welfare effects, more people are moving to coastal regions, which are most vulnerable to climate change because of drought and hurricanes.

1.According to the report, we learn all of the following will risk human’s health EXCEPT ______.

A. heat waves and drought

B. increase in the number of bugs

C. reduction in carbon dioxide emissions

D. global warming and climate change

2.What does the underlined sentence in Paragraph 2 mean?

A. All of states would suffer flooding.

B. Air quality in few states is not high.

C. About half of all states would have clear air.

D. Flooding would occur in almost all the states.

3. Which of the following is NOT true according to the passage?

A. Global warming is caused by human beings.

B. It is wise for the Americans to move into coastal regions.

C. Global temperatures are increasing year by year because of carbon dioxide.

D. At least one tenth of Americans are more likely to suffer climate-related illnesses.

4. The writer wrote this passage to ______.

A. explain how the phenomenon of global warming forms

B. protect the vulnerable Americans from suffering from diseases

C. provide evidence that global warming and climate change risk human’s health

D. warn every American of the danger of global warming to their health

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