8. We are trying to find the reason why it is (有害的) to health to eat too much fast food.

7. His car stood in the parking place for a long time,with thick (灰塵) .

6. Our (調(diào)查) may provide you with some useful information.

5. You will have a car accident if you keep driving so (粗心大意地) .

4. What's the oldest (活著的) thing you can think of?

3. If you are strong enough,no people can (傷害) you.

2. Cars will not only (污染) the air in cities,but also make the street crowded

一、單詞拼寫

1. Many stores like (陳列) their goods in the windows.

7. 如果我們不行動起來改善環(huán)境，更多的生物將會死于污染。

6. 關(guān)于如何保護環(huán)境的方法將會進行討論。