2. I think you can work out the math problem ___________. (care)

1.The Great Wall is the _____________ (long) wall in the world, I think.

10、人人都应该考虑污染和再利用。

　 Everyone _________　 ___________ prollution and recycling.

9、你可以参加循环利用项目来保护环境。

　 You can _______　 _______　 ______ recycling programmes to protect the environment.

8、乱仍纸和金属是浪费的行为。

　 It’s wasteful to _________　 __________ paper and metal.

7、你关心环保和节能吗？

Do you _________　 ________ protecting environment and saving energy?

6、我打开窗户而不是打开空调。

　 I open the windows _______　 _________ turning on the air conditioning.

5、把一些东西变为另一些东西需要消耗能源。

　 It takes energy to __________ something ________ something else.

4、即使是最简单的日常小事也能对环境产生很大影响。

　 Even the simplest everyday can _____　 _____ real _______　 ____ the environment.

3、我们每天制造垃圾，而这些垃圾对我们的环境有危害。

　 We produce waste every day and it _____　 ______　 _____ our environment.