A．The man-made building materials let out dangerous gas-找考题网

单项选择题

A．The man-made building materials let out dangerous gases inside houses.
B．There may be more harmful gases outside houses.
C．The flow of air indoors is limited.
D．Indoor air pollution can make a person seriously ill.

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For this part, you are allowed thirty minutes to write a composition on the topic Reading Selectively Or Extensively You should write at least 120 words, and base your composition on the outline (given in Chinese) below:1．有人认为读书要有选择2．有人认为应该博览群书3．我的看法

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