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第2部分：阅读判断（第16～22题，每题1分，共7分）
下面的短文列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提供的是正确信息，请选择A;如果该句提供的是错误信息，请选择B;如果该句的信息文中没有提及，请选择C。
Lakes, Too, Feel Global Warming
Theres no doubt: In the last few decades, the average temperature on Earth has been higher than it has been in hundreds of years. Around the world, people are starting to measure the effects of global warming-and trying to figure out what to do about it.
Scientist recently used satellites to study the temperatures of lakes around the world and they found that lakes are heating up. Between 1985 and 2009, satellites recorded the nighttime temperatures of the surfaces of 167 lakes. During those 24 years, the lakes got warmer-by an average of about 0.045 degree Celsius per year.
In some places, lakes have been warming by as much as 0.10 degree Celsius per year. At that rate, a lake may warm by a full degree Celsius in just 10 years. That difference may seem small-you might not even notice it in your bath. But in a lake, slightly warmer temperatures could mean more algae(水藻), and algae can make the lake poisonous(有毒的)to fish.
The study shows that in some regions, lakes are warming faster than the air around them. This is important because scientists often use measurements of air temperature to study how Earth is warming. By using lake temperatures as well, scientists can get a better picture of global warming. The scientists say data on lakes give scientists a new way to measure the impact of climate change around the world.
Thats going to be useful, since no country is too big or too small to ignore climate changes. Scientists arent the only ones concerned. Everyone who lives on Earth is going to be affected by the rapid warming of the planet. Many world leaders believe we might be able to do something about it, especially by reducing the amount of greenhouse(温室)gases we put into the air.
Thats why the United Nations started the Framework Convention on Climate Change, or UNFCCC. Every year the convention meets, and representatives from countries around the world gather to talk about climate change and discuss global solutions to the challenges of a warming world.
16. Scientists have been keeping records of lake temperatures for over 30 years.
A. Right
B. Wrong
C. Not mentioned
17. The temperatures of lakes around the world have increased greatly between 1985 and 2009.
A. Right
B. Wrong
C. Not mentioned
18. Lakes seem to be warming faster in Asia.
A. Right
B. Wrong
C. Not mentioned
19. A slight temperature increase in a lake could be harmful for fish.
A. Right
B. Wrong
C. Not mentioned
20. Scientists generally focus on air temperatures when studying global warming.
A. Right
B. Wrong
C. Not mentioned
21. Global warming is less threatening to small countries.
A. Right
B. Wrong
C. Not mentioned
22. UNFCCCs annual meeting will be held in Mexico this year.
A. Right
B. Wrong
C. Not mentioned