题目

阅读理解 (1) John Brown and Anna Brown are Alan's. A . parents B . grandparents C . brother and sister D . uncle and aunt (2) Mary is sally's. A . aunt B . mother C . sister D . friend (3) Ann is John Brown's. A . son B . granddaughter C . daughter D . grandson (4) Tom and Kate are Ann's. A . cousins B . uncle and aunt C . brother and sister D . father and mother (5) From the family tree, we know Sally has cousins. A . two B . three C . four D . five下表是我国部分城市空气质量周报,阅读并回答下列问题:城市污染指数首要污染物空气质量级别城市污染指数首要污染物空气质量级别北京92TSPⅡ济南76TSPⅡ天津82TSPⅡ武汉83NOxⅡ哈尔滨96TSPⅡ重庆98SOxⅡ上海74NOxⅡ贵阳69TSPⅡ注:TSP--空气中飘尘;NOx--氮的氧化物;SOx--硫的氧化物(1)最容易出现酸雨的城市是    .为减少城市酸雨的产生,可采取的措施是    (填序号).①少用煤作燃料  ②采用燃料脱硫技术③不必采取措施,无所谓 ④开发新能源(2)控制城市汽车尾气对空气造成污染的方法是    .①开发氢能源  ②使用电动车  ③对汽车加装尾气处理装置  ④戴呼吸面具.
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