What two problems can be solved by burning garbage? According to the passage, which of the following four groups of garbage is

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问题 What two problems can be solved by burning garbage?
According to the passage, which of the following four groups of garbage is ready for burning?

选项 A、food scraps and metals
B、paper and glass
C、metals and glass
D、food scraps and paper

答案D

解析 见第五段中句子“But there are problems in using garbage as a fuel.Garbage that burns easily,such as food scraps and paper,...”。
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