2. 外语
  3. The passage gives a general description of the structure and use of a landfill. Hazardous wastes have to be treated before bein

The passage gives a general description of the structure and use of a landfill. Hazardous wastes have to be treated before bein

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问题 The passage gives a general description of the structure and use of a landfill.
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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大学英语四级

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