eople are disturbed quite often by kinds of noises.
④ every person in our city makes about 1.8 kilos of rubbish every day.
这道看图作文题，主题和图片连接得不是很紧密。从考查的形式上来说，虽是看图，实质上却属于提示性的作文。这个作文应该结合个人的观点，选择的余地还是很大的。做这个题应该注意几个方面：
1、认真读题。注意，题目虽然给了四幅图，但是却只要求写其中的两个就行。
2、题意要求的是阐述个人的观点-最担忧的两种情形。而不是对图片进行描述。
3、结合所给的提示。提示中，对每种污染都进行了阐述，考生可以这些描述进行写作。
4、注意字数，语法，拼写等，避免错误。
下面是两个例文，大家可以参考一下。
one possible version:
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. more and more diseases are caused by polluted air.
i think factories should not pour dirty water into the river directly or produce more waste gas. we'd better go on foot or by like instead of by car, because more cars mean more waste gas. we should make our world more and m