阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。

Yesterday we opened the floor for discussion about the 【小题1】 (protect) of the environment. The fact is known 【小题2】vast areas of the world are damaged by chemical waste. Many places have been destroyed and many plants and animals 【小题3】(die). Factories produce large numbers of harmful chemicals. The waste they create【小题4】(go) into the atmosphere and makes us sick. Other types of waste flow into our water,【小题5】(make) river and sea life dead. Meanwhile, large numbers of fish are caught before 【小题6】(them) lay eggs.

It is our duty【小题7】(try) to cut back on production and reduce the number of things we make and buy. The amount of rubbish we produce is turning into a big problem; we need to think more 【小题8】 recycling our waste. It would be good to increase the amount of waste we recycle,【小题9】 teach people ways of living that do not harm the environment. We may even create more jobs and help our country become more 【小题10】(develop) at the same time.