问答题

Another problem is that burning garbage can pollute the air.

【参考答案】

另一个问题是燃烧垃圾会污染空气。

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问答题

We had not suffered much from the war there，though like most children of my age，I was used to seeing bombed houses in the streets and the enormous army lorries pass-ing through．

单项选择题

In regard to the production of goods in greater quantities, the author states that ().

A. the price of the goods should drop
B. the quality of the goods should improve
C. the price and the quality should both rise
D. the quality and the price should both drop