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.
4. According to the report, we learn all of the following will risk human’s health EXCEPT ______.
A. increase in the number of bugs
B. reduction in carbon dioxide emissions C. global warming and climate change D. heat waves and drought
5. What does the underlined sentence in Paragraph 2 mean? A. All of states would suffer flooding
B. About half of all states would have clear air. C. Flooding would occur in almost all the states. D. Air quality in few states is not high.
6. Which of the following is NOT true according to the passage?
A. Global temperatures are increasing year by year because of carbon dioxide. B. Global warming is caused by human beings.
C. It is wise for the Americans to move into coastal regions.
D. At least one tenth of Americans are more likely to suffer climate-related illnesses. 7. he writer wrote this passage to ______.
A. explain how the phenomenon of global warming forms
B. provide evidence that global warming and climate change risk human’s health C. warn every American of the danger of global warming to their health
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D. protect the vulnerable Americans from suffering from diseases 【答案】4. B 5. C 6. C 7. D 【解析】
这是一篇说明文。文章主要叙述了全球变暖的对美国的影响，几乎美国所有地区都受到全球变暖的威胁。 【4题详解】
细节理解题。根据第二段首句The report said every region (地区) 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 (腐烂的) food, bad water and bugs (臭虫).可知A、D两项是我们可能会面临的健康危险。和再根据文章第三段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.可知C项也是人类要面临的危险。只有B项内容不是危险人类健康的因素。故选B。 【5题详解】
词义猜测题。根据本句All but a handful of states would have worse air quality and flooding.字面意思为“除了几个州以外所有的州都会有更糟糕的空气质量和洪水。”也就是说“洪水等自然灾害可能会发生在所有的州里。”可知，几乎所有的州都会发生洪水。故选C。 【6题详解】
细节理解题。根据文章最后一句more people are moving to coastal regions, which are most vulnerable to climate change because of drought and hurricanes.可知，因为干旱和飓风，海边地区也很容易受到攻击。所以搬到海边去住也不是明智的选择。C项是错误的。故选C。
【7题详解】
推理判断题。根据文章第一段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.“根据一份新的白宫科学报告，美国每个人的健康和福利都将受到全球变暖的影响，尤其是儿童、老人和穷人。”可知作者写这篇文章是为了保护脆弱的美国人免受疾病的折磨。故选D。
C
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“People are ruder today because they are rushed and more ‘time poor’ than ever before,” says Patsy Rowe, “ Manners have fallen off the radar(雷达).” Due to our strong attraction to electronic equipment it is a wonder that more people don’t wake up each morning and greet the singing birds with complaining about the noise. Here are some examples of rudeness.
Some people prefer to do almost everything over the Internet. To them, dealing with an actual human is like an evolutionary step backward. It feels very slow because humans dont work at 4G speeds. When you have dinner with friends, you will often notice someone paying more attention to his mobile phone. We have programmed ourselves to think that every new message brings life-changing news, so taking calls and checking our texts are more important than talking to the people we are with. What is worse, some people even tend to send anonymous（匿名的）rude messages by email.
However, rudeness is never acceptable. Dont assume it is OK to be rude if the person youre in touch with wont recognize you. If you have something awful to say, have the courage to face the person and say it, write a letter or email and sign it, or forget it. Upsetting people with unsigned messages is cruel and disgusting.
We shouldn’t blame technology for our shortcomings. Technology is here to help us, but we should not allow it to take over our lives. An important step is acknowledging our shortcomings. People spend a lot of time pointing out bad manners but it would be even more helpful if we’d publicly acknowledge good manners when we see them.
8. What can be inferred from the underlined sentence in Paragraph 1? A. People care little about their behavior. B. People can tell good from bad behavior. C. Radar is able to observe human behavior. D. Radar can be used to predict human behavior.
9. Some people are less willing to deal with humans because__________. A. they are growing too independent
B. they have to handle many important messages C. they are becoming less patient
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’
’
’
’
D. they have to follow an evolutionary step backward.
10. The author thinks sending unsigned awful messages is ___________. A. disgusting C. Ridiculous
B. acceptable D. reasonable
11. What can we learn from the last paragraph? A. We should applaud good behavior. B. We should keep pointing out mistakes. C. Technology will take over lives one day. D. Technology can never be blamed 【答案】8. A 9. C 10. A 11. A 【解析】
本文为一篇说明文。随着电子产品和网络的普及，人们越来越匆忙，从而变得更加粗鲁，越来越不注重礼貌。我们不应该把我们的缺点归咎于技术。我们应该赞扬良好的行为。 【8题详解】
推理判断题。根据第一段“People are ruder today because they are rushed and more‘time poor’than ever before…”Here are some examples of rudness”可知，今天的人们更粗鲁，因为他们很匆忙，而且比以往任何时候都更缺乏时间人们忽视他们的行为以及一些粗鲁的例子。可知，人们对他们的行为举止不在意了。故选A项。 【9题详解】
推理判断题。根据第二段中To them, dealing with an actual human is like an evolutionary step backward. It feels very slow because humans don’t work at 4G speeds.“对他们来说，与真人打交道就像是进化的倒退。这感觉非常慢，因为人类无法以4G速度工作。”可知，有些人不太愿意和人类打交道，因为他们变得越来越没有耐心。故选C。 【10题详解】
推理判断题。根据第三段最后一句“Upsetting people with unsigned messages is cruel and disgusting.” “用未署名的信息惹恼别人是残忍和令人恶心的。”可知，作者认为发送无签名的糟糕消息是令人厌恶的。故选A。 【11题详解】
推理判断题。根据最后一段中People spend a lot of time pointing out bad manners but it would be even more helpful if we’d publicly acknowledge good manners when we see
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them.“人们花很多时间指出不礼貌的地方，但如果我们在看到他们的时候公开承认他们有礼貌，那就更有帮助了。”可知，我们应该赞扬良好的行为。故选A。
D
The expression“a thirst for knowledge\may soon have a new meaning for millions of people who have no way to get clean water. Researchers have developed a book with specially treated pages that can turn dirty water into clean and drinkable water. They say their invention could improve the lives of many in the developing world. About 700 million people around the world are at risk of disease or even death because their drinking water is not clean. The water is polluted by harmful bacteria.
The book contains 25 pages. Each page is about one millimeter thick. The pages contain very small particles (微粒) of silver. The pages can be used as filters（过滤器）to remove harmful microorganisms(微生物) that can pollute drinking water. The filter kills the organisms that pass through it.
Pictures on the pages show the dangers of dirty water and how to use the book for those unable to read. The pages are made of filter paper. They are designed to be torn from the book. Water can be poured through the paper to be cleaned.
Ms. Dankovich, the inventor, says each page can treat up to 100 liters of water. She recently presented her invention at the meeting of the American Chemical Society in Boston, Massachusetts. She was asked whether she had considered adding classic literature on the book's pages.
\—that's of interest maybe later. We have discussed a little bit more exciting text. But we really haven't had the time to go through that part,\
Teri Dankovich and another researcher tested the drinkable book in Bangladesh, Ghana and South Africa. The tests proved to be successful.
Water for Life, a non-governmental organization, has provided financial support for the project.
12. What do we learn about the book from the text? A. It has pages with several functions.
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B. It is about environment
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