双向翻译（共5小题；每小题2分，满分10分）

The environmental speaker Ms Lin thinks it is our duty to try to 1.                   (削减产量 ) and reduce the amount of things we make and buy. The amount of rubbish we produce is turning into a big problem; we need to think more about recycling our waste.  2.It would be good to teach people ways of living that do not harm the environment. We may even create more jobs and help our country become more developed at the same time. 3. But Mr Qian believes that people are more important than fish and trees. He does agree that we should produce more things from materials that have been recycled, and less from raw materials. 4.                (我们所需要的 )are better laws to preserve the environment and still allow our country to grow. Finally,5. those factories which pollute the environment should have to pay higher taxes。

“水俣病”产生的原因是（）。