《2025年学习指导用书英语第一册》

the atmosphere (大气层). One of the important roles of the atmosphere is to catch some of the sun's energy in order to keep Earth warm. In fact, this is the greenhouse effect. The problem is that the development of technology in the last 100 years has increased the greenhouse effect to the point that it threatens (威胁) the life on Earth.
Only in the last few years, this problem has got the public attention. People care more about the present than the far future. But this problem has developed to such a point that it has to be faced now.
There are many things that can be done in order to solve this problem. At the personal level, we should use only environment-friendly products. At the national and international levels, countries should invest (投资) more in developing renewable (可再生的) energy sources, such as biofuel and solar energy.
1. What's the problem mentioned in the first paragraph?
A. Bad weather.
B. Air pollution.
C. Global warming.
D. Noise.
2. According to paragraph 2, why is global warming happening?
A. The atmosphere catches some of the sun's energy.
B. Global warming is also called greenhouse effect.
C. The development of technology in the last 100 years has increased the greenhouse effect.
D. The atmosphere can keep Earth warm.
3. According to paragraph 3, it seems that the problem of global warming is ____________.
A. serious
B. solved
C. not serious
D. easy
4. In order to solve this problem and save our world, many things can be done ____________.
A. only at the personal level
B. only at the national level
C. only at the international level
D. All of the above.
5. According to the passage, which one of the following is not true?
A. People don't care more about the present than the far future.
B. The temperatures are increasing all over the world.
C. Earth is surrounded by atmosphere.
D. There are many things that can be done to control global warming.

答案： 1. C
解析：第一段通过气温上升、热浪、火灾、冰川融化等现象，最后点明“All of these have to do with global warming”，问题是全球变暖，选C。
2. C
解析：第二段明确指出“The problem is that the development of technology in the last 100 years has increased the greenhouse effect...”，即全球变暖因科技发展加剧温室效应，选C。
3. A
解析：第三段“this problem has developed to such a point that it has to be faced now”说明问题严重，必须面对，选A。
4. D
解析：最后一段提到个人、国家和国际层面都能采取措施，“All of the above”符合，选D。
5. A
解析：第三段“People care more about the present than the far future”，A选项与原文相反，表述错误，选A。