e from (5) c burning and car and factory emissions (排放).
Dad: That’s true. But luckily, the government has started to (6) f pollution by reducing PM 2.5 and PM 10 emissions.
Andy: That’s not enough, I think. More trees should be (7) p around the city. And people should use more new energy instead of traditional energy like coal and (8) o .
Dad: You’ve got the point. Non-renewable (不可再生) energy is (9) r out quickly. And remember that it is everybody’s job to save our earth.
Andy: That’s true. What the earth will be like in the future (10) d on everyone living on the earth.
Ⅲ. 改错
下面的材料中每行均有一个错误，请用横线标出错误部分，并且在横线上写出错误类型和它的正确形式。
W: word usage mistake
P: punctuation mistake
S: spelling mistake
M: missing word
G: grammatical mistake
Protecting the environment seems like big job. 1. _______ _______
However, we can make a big differece by doing 2. _______ _______
small things in our daily lives. Here is some small 3. _______ _______
ways to go green. Last of all, why not read 4. _______ _______
newspapers on the Internet instead of buying newspapers. 5. _______ _______
Ⅳ. 根据所给汉语意思，填空完成下面的句子。
1. 电视不用的时候，一定要关闭电源。
Make sure you when the TV is not .
2. 这些废弃物将在今天下午分类。
The waste groups this afternoon.
3. 如果有更多的树，土壤会被保留在原来的地方。
If there are more trees, soil will .
4. 通过遵循这些简单的步骤，你会为保护地球做出贡献(contribution)。
By , you can make a contribution to the protection of the earth.
5. 如果可能的话，我们将就“绿色生活”做一个调查。
We will on “Green Life” .
参考答案：
Ⅰ. 1. to turn off 2. less than 3. to protect 4. sides 5. his own 6. recycling 7. harmful 8. carelessly
9. empty 10. reused
Ⅱ. 1. serious 2. pollution 3. caused 4. agree 5. coal 6. fight 7. planted 8. oil 9. running 10. depends
Ⅲ. 1. big job, M, a big job 2. differece, S, difference 3. is, G, are 4. Last, W, First
5. . , P, ? Task & Self-assessment
Ⅳ. 1.turn off the power; in use 2. will be separated into 3. be kept in place 4. following these simple steps
5. do a survey; if possible