Many things pollute water,such as tires,trash and plastic bags.
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Many things pollute water,such as tires,trash and plastic bags.
试题答案
答案:
解析:很多东西使水污染,例如轮胎、垃圾和塑胶袋。 |

Many things pollute water,such as tires,trash and plastic bags.
答案:
解析:很多东西使水污染,例如轮胎、垃圾和塑胶袋。 |