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【单选题】
Hundreds of years ago, life was much harder than it is today. People didn’t have modern machines. There was no modern medicine, (41) .
Life today has brought new (42) . The biggest one is pollution. (43) pollution has made our rivers and lakes dirty. It kills our fish and pollutes our drinking water. Noise pollution makes us talk louder and become angry (44) easily. Air pollution is the most serious kind of pollution. That’s bad to all (45) things in the world.
Cars, planes and factories all pollute our air every day. (46) the polluted air is so thick that it is like a quilt(被子) over a city. This kind of quilt is called smog(烟雾).
Many countries are rules to (47) pollution. Factories must now clean their water before it is thrown away. They mustn’t blow dirty into the air.
We need to do many (48) things. We can put waste things in the dustbin and not throw it on the ground. We can go to work by (49) bus or with our friends in the same car. If there are (50) people driving, there will be less pollution.
A.
others B. other C. another
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题目标签：烟雾
参考答案：
参考解析：
刷刷题刷刷变学霸
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【单选题】关于伦敦型烟雾与洛杉矶型烟雾的区别，下列说法不正确者为（）
A.
伦敦型烟雾属于硫酸型烟雾，洛杉矶型烟雾属于光化学烟雾。
B.
伦敦型烟雾白天夜间连续出现，洛杉矶型烟雾只在白天出现。
C.
伦敦型烟雾要求日光照射弱，洛杉矶型烟雾要求日光照射强。
D.
伦敦型烟雾中[O3]高，洛杉矶型烟雾中[O3]低。
E.
伦敦型烟雾多发生在冬季，洛杉矶型烟雾多发生在夏秋季节。