书面表达。

同学们，看到下面的四幅图片及相应的报道后，你感到最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：1．从所给素材中任选两种情形进行阐述，不可多选或少选。

　　　2．语句通顺，意思连贯，条理清楚，字迹工整。

　　　3．词数80～100。

参考词汇：建议suggest v.　suggestion n.气体　gas n. 污染 pollution n.

√One third of the world's people don't have enough clean water.

√More and more diseases are caused by polluted air

√People are disturbed quite often by kinds of noises.

(完成句子)梂hen were you _____________(出生)?

　　桹n July 15th，1992．

(完成单词)The old man has two sons,　but n________　of them lives with him.

(根据句意及首字母提示补全单词)梂hen did he j_______ the army(军队)?

　　桰n 2004.

根据括号要求写出相应部分: