d. 议论
1、同学们，看到下面的四幅图片及相应的报道后，你感到*担忧的是哪两种情形?请简述你担忧的理由并提出建议或希望。要求：
⒈ 从所给素材中任选两种情形进行阐述，不可多选或少选。
⒉ 条理清楚，意思连贯，语句通顺，标点正确;⒊ 词数 80 ～ 100。
参考词汇： 建议 suggest v. suggestion n.气体 gas n. 污染 pollution n.
the pollutions
① one third of the world's people don't have enough clean water.
② * and * diseases are caused by polluted air.
③ people are disturbed quite often by kinds of noises.
④ *ry person in our city makes about 1.8 kilos of rub*sh *ry day.
the environment is becoming worse and worse. there are many kinds of pollution i worry about. the most serious two are water pollution and air pollution, because people can't live healthily with dirty water and polluted air, nor can animals. * and * diseases are caused by polluted air.
i think factories should not pour dirty water into the river directly or produce * waste gas. we'd better go on foot or by like instead of by car, because * cars mean * waste gas. we should make our world * and * beautiful.
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