题目内容

Part One (para 1-3)A young husband and father, Albert Einstein had to work hard to _____________.

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Part two (para 4-12)Einstein made astonishing achievements and thus ______________ physics.

Part Four (para 22-23)It was proved that Einstein was not a ______________.

以下属于空气中污染物的有（）

A. 硫化物
B. 氮氧化物
C. 室内污染气体
D. 汽车内污染气体

空气中污染物种类很多，主要可以分为有害气体、固体尘粒、可溶性重金属和放射性物质。

A. 对
B. 错