题目内容：

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

James Long is holding a debate called “The economy or the environment — must we choose?” Lin Shuiqing, 1.        environmentalist and Qian Liwei, an economist expressed their own opinions.

Mr. Lin holds the opinion 2.       large areas of the world are damaged by industrial waste. In addition, many sea creatures are being destroyed 3._______ fishing boats. Other types of waste flow into the river, 4._____________(kill) river and sea life. The world’s population is approaching 6.5 billion. He advises people to cut back 5.        production, reduce what we make and buy, expand our cycling industry, and meanwhile teach people about environmentally friendly ways of living.

While Mr. Qian thinks economic development is not definitely bad for the environment. Through working side by side with environmentalists, 6._________ thinks a healthy environment and a stable economy should be possible at the same time. But he does agree that recycling may be the key to 7.________ (help) both sides. People need more effective laws to preserve the environment 8.        still allow the economy to grow. Those factories 9.____________ pollute the environment should have to pay higher taxes.

At last, James says they will open the 10.       for further discussion.