2020-2021学年七年级地理人教版寒假作业（7）多变的天气
※题型：单选题※知识点：单选题※试题难度：中等<br>下列天气符号表示沙尘暴的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/30/AD2692D2726F01C6859D6D7493D946A2.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/30/723E271074CD407D1C429D589132868E.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/30/FB0A809BFF6C4BAFED652EAB914C91B3.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/11/30/60BD2E799C4643F23586812D0236B1BC.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/6/2020/c9736e93c5cb45b78875446567799855/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/6/2020/1398b8a9d3fa4ab79795ad0b068c2555/5AD11A977E2CF4FE948C8BD1C258ABE8.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br> 下图是某地12月21日-24日的天气情况示意图,结合所学知识,完成1~3题。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/11/26/855DA2F9FE4F3846A0FCF7E8D99C1CEC.png"><br>1.23日的天气状况是( )<br>A.小雨<br>B.中雨<br>C.多云<br>D.晴<br>2.22日的最高气温是( )<br>A.5℃<br>B.6℃<br>C.7℃<br>D.9℃<br>3.这几日中,气温日较差最大的是( )<br>A.21日<br>B.22日<br>C.23日<br>D.24日<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/6/2020/408f21c9378845d4b0a526a240cee5c4/4C2B7656B54DC3762B7403B2A0662A88.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/6/2020/7d6d3edf6f364c2aa1e720eff152169b/6AEEABD0F619F3352A772458A2438A2D.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>2018年入夏以后,辽阳多地出现雷阵雨.冰雹等天气,下列天气符号表示雷阵雨、冰雹的是( )<imgA.①④ B.②③ C.①③ D.②④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/6/2020/43dcc88c96cf49f9b7d2e4531aae0244/4EF59C4461E28F3B3B09551EB8B9AC3F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/6/2020/7d36316a61f84038906d4c9023ec9d9c/4A0E42307BE229A3BB6DEB8A9E32FE33.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>近年来,雾霾天气给我国很多地区造成严重的危害,下列不能降低或缓解雾霾天气的行为是( )<br>A.增加城市绿地<br>B.注意节能减排,倡导低碳经济<br>C.大力推广家庭小汽车的使用<br>D.大力倡导步行或乘公交车上下班<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/6/2020/572052be248b4c8ebea309b9c24ead39/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/6/2020/5fb7caf0620646de9332558c37b987cd/F3BD00243BEB348F86AE18A5BF883612.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>大气中污染物的含量不断增加的主要原因是( )<br>A.人口增加,呼出的二氧化碳增多<br>B.人类大量燃烧煤、石油、天然气等矿石燃料<br>C.全球气候变暖<br>D.热带雨林锐减,使森林吸收二氧化碳的能力减弱<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/6/2020/308b6875c69b4f86809dd98e988f6d3b/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/6/2020/8a8546d19137438a8f4287d7b29ba7e4/EF0BB0CC0A6643C05C03169B0A6A0DFF.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>如下图为北京市某日的天气预报图,读图完成下列问题。<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/7/24/C388E248A9E8C90C539BD9D707CF38B2.png"><br>1.该日天气状况为:由天气转为天气。<br>2.风向为风,风力达级左右。<br>3.该日的最高气温是℃。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/6/2020/3e211a6999b34e3f9588b4e96b681019/8E4798F5A44D9689599D6D50147BA1A6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/6/2020/66308b07f49247f3bbd35bb1aee9c961/7BBD308FB81BA4C7E87ACF929992ECD2.png"><br><br>
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