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(1)一九八六年四月二十六日,苏联乌克兰基辅的切尔诺贝利发生了严重的( )事故。 1.核反应堆爆炸 2.放射性物质泄漏 3。异氰酸甲酯泄漏4.农药外溢 (2)煤燃烧时产生的主要污染物是( )。 1.氮氧化物 2.二氧化硫 3.-二氧化碳 4.一氧化碳 (3)由汽车尾气中的一氧化碳造威的大气污染已
(1) On April 26, 1986, a serious () accident occurred in Chernobyl, Kiev, Ukraine. 1. Nuclear reactor explosion 2. Radioactive material leakage 3. Methyl Isocyanate Leakage 4. Pesticide Spill (2) The main contaminant produced during coal combustion is (). 1. Nitrogen oxides 2. Sulphur dioxide 3. - Carbon dioxide 4. Carbon monoxide (3) Air pollution that has been recapitulated by carbon monoxide in automobile exhaust