D，09中考英语命题作文

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nor can animals. more and more diseases are caused by polluted air.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，09中考英语命题作文，同学们，你感到最担忧的是哪两种情形?请简述你担

温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。