The passage gives a general description of the structure and use of a landfill.

游客2024-02-15  17

问题 The passage gives a general description of the structure and use of a landfill. [br] Hazardous wastes have to be treated before being dumped into landfills.

选项 A、Y
B、N
C、NG

答案 C

解析 文章中未提到怎样处理危险性垃圾的问题,因此答案为NG。
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