学家在查阅19世纪中期的一些文献，发现热气、臭气、烟气、毒气等字眼都是描写城市环境最为常见的词汇。该城市最有可能是（）
A.伦敦
B.北京
C.莫斯科
D.东京
参考答案：A
解析：[联系19世纪中期的阶段特征，可知材料所指为工业革命导致环境污染，选项中此时完成工业革命的城市只有伦敦，故A项符合题意；北京、莫斯科、东京此时均未完成工业革命，故B、C、D项错误。]
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| Australia is l island in the world. It is a 2 _ smaller than China.It is in the 3 of the equator. So when it is hot summer in 4 , it is cold winter in Australia. Australia is big, but the population there is 5 .The population of Australia is the same 6 that of Shanghai,a city in China. Australia is famous (著名的) for its 7 and kangaroos (袋鼠). After a short drive from any town, you will find 8 in the middle of white sheep. Sheep, sheep, 9 are sheep. Have you ever seen a kangaroo? It has a"bag" below its breast. The 10 kangaroo keeps its baby kangaroo in the"bag". It is very interesting,isn't it? | ||||
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