三、首字母填空
Protecting the environment is everyone's duty. There are many simple ways to make a d 1 in our daily life.
First, we should r 2 waste. For example, we can reuse plastic bags instead of throwing them away. We should also t 3 off lights and TVs when we're not using them to save energy.
Second, recycling is important. We need to s 4 rubbish into different groups—paper, plastic, and glass. Putting them into the right recycling bins helps r 5 them. This way, we can use resources more wisely.
Third, we mustn't c 6 down trees. Trees help keep the air clean and prevent soil erosion. Cutting trees will h 7 the environment.
Finally, we should follow environmental laws. Littering or polluting may l 8 to punishment or fines. We should also tell others about the i 9 of protecting the environment.
Small actions add up. If everyone acts responsibly, our living environment will be b 10. Let's work together to protect our planet!
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.

1. difference
2. reduce
3. turn
4. sort
5. recycle
6. cut
7. harm
8. lead
9. importance
10. better

本题考查八年级核心词汇及固定搭配在语境中的运用：
1. 固定搭配make a difference意为“有影响，起作用”，符合“日常生活中有很多简单方法可以带来改变”的语境，故填difference。
2. 根据后文重复利用塑料袋的提示，此处表达“减少浪费”，情态动词should后接动词原形reduce，故填reduce。
3. 固定搭配turn off意为“关闭（电器）”，符合“不用灯和电视时将其关闭节约能源”的语境，故填turn。
4. 固定搭配sort...into...意为“把……分类为……”，此处指将垃圾分成不同类别，need to后接动词原形sort，故填sort。
5. 句意为把垃圾分类投放有助于回收利用，help后接动词原形recycle，故填recycle。
6. 固定搭配cut down trees意为“砍伐树木”，情态动词mustn't后接动词原形cut，故填cut。
7. 句意为砍伐树木会危害环境，will后接动词原形harm，故填harm。
8. 固定搭配lead to意为“导致”，符合“乱扔垃圾或污染行为可能会导致处罚、罚款”的语境，情态动词may后接动词原形lead，故填lead。
9. 固定搭配the importance of...意为“……的重要性”，此处指告知他人保护环境的重要性，故填importance。
10. 句意为如果每个人都负责任地行动，我们的生活环境会变得更好，用形容词比较级better符合语境，故填better。