本课配套习题挑战模式1/5
单选题
难度系数:
1.如图为空气成分示意图(按体积计算),其中“a”代表的是
A: 氧气 |
B: 氮气 |
C: 二氧化碳 |
D: 稀有气体 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u56m65rCU55qE5oiQ5YiG5Y+K5ZCE5oiQ5YiG55qE5L2T56ev5YiG5pWw6L+b6KGM5YiG5p6Q5Yik5pat5Y2z5Y+v44CC
- 答案:Qg==
56m65rCU55qE5oiQ5YiG5Y+K5ZCE5oiQ5YiG55qE5L2T56ev5YiG5pWw5YiG5Yir5piv77ya5rCu5rCU5Y2gNzgl44CB5rCn5rCU5Y2gMjEl44CB56iA5pyJ5rCU5L2T5Y2gMC45NCXjgIHkuozmsKfljJbnorPljaAwLjAzJeOAgeWFtuWug+awlOS9k+WSjOadgui0qOWNoDAuMDMl77yO55Sx5Zu+5Y+v55+l77yMYeWNoOeahOS9k+enr+WIhuaVsOacgOWkp++8jOaYr+awruawlO+8jjxicj7mlYXpgIlC77yO
本课配套习题挑战模式2/5
单选题
难度系数:
2.在空气中含量较多且化学性质不活泼的气体是
A: 氧气 |
B: 二氧化碳 |
C: 氮气 |
D: 水蒸气 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Lik5Liq5L+h5oGv54K577yM5LiA5Liq5piv5ZCr6YeP6L6D5aSa77yM5LiA5Liq5piv5LiN5rS75rO844CC
- 答案:Qw==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.空气成分中主要含有的两种物质是
A: 氮气和氧气 |
B: 氮气和氢气 |
C: 二氧化碳和氧气 |
D: 氧气和稀有气体 |
一次做对,真牛!
+5奖励规则>
- 提示1:5rCu5rCU5aSn57qm5Y2gNzgl44CB5rCn5rCU5aSn57qm5Y2gMjEl44CC
- 答案:QQ==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.近年来,严重的雾霾天气使我国中东部地区的城市遭受了严重污染.下列不属于空气污染物的是
A: CO2 |
B: SO2 |
C: PM2.5 |
D: NO2 |
一次做对,真牛!
+5奖励规则>
- 提示1:5LqM5rCn5YyW56Kz5bGe5LqO56m65rCU55qE57uE5oiQ5oiQ5YiG44CC
- 答案:QQ==
QeOAgUNPPHN1Yj4yPC9zdWI+5LiN5bGe5LqO56m65rCU5rGh5p+T54mp77yM5pWF6YCJ6aG556ym5ZCI6aKY5oSP77yOPGJyPkLjgIFTTzxzdWI+Mjwvc3ViPuWxnuS6juepuuawlOeahOaxoeafk+eJqe+8jOaVhemAiemhueS4jeespuWQiOmimOaEj++8jjxicj5D44CBUE0yLjXmmK/mjIflpKfmsJTkuK3nm7TlvoTlsI/kuo7miJbnrYnkuo4yLjXlvq7nsbPnmoTpopfnspLnianvvIzlsZ7kuo7nqbrmsJTnmoTmsaHmn5PnianvvIzmlYXpgInpobnkuI3nrKblkIjpopjmhI/vvI48YnI+ROOAgU5PPHN1Yj4yPC9zdWI+5bGe5LqO56m65rCU55qE5rGh5p+T54mp77yM5pWF6YCJ6aG55LiN56ym5ZCI6aKY5oSP77yOPGJyPuaVhemAiUE=
本课配套习题挑战模式5/5
单选题
难度系数:
5.下列各项中不属于空气质量监测内容的是
A: 可吸入颗粒物 |
B: 二氧化碳 |
C: 二氧化硫 |
D: 二氧化氮 |
一次做对,真牛!
+5奖励规则>
- 提示1:5LqM5rCn5YyW56Kz5bGe5LqO56m65rCU55qE57uE5oiQ5oiQ5YiG44CC
- 答案:Qg==
QeOAgeWPr+WQuOWFpemil+eykueJqeWxnuS6juepuuawlOaxoeafk+eJqe+8jOWxnuS6juepuuawlOi0qOmHj+ajgOa1i+eahOWGheWuue+8mzxicj5C44CB5LqM5rCn5YyW56Kz5LiN5bGe5LqO56m65rCU6LSo6YeP5qOA5rWL55qE5YaF5a6577ybPGJyPkPjgIHkuozmsKfljJbnoavlrrnmmJPpgKDmiJDphbjpm6jvvIzlsZ7kuo7nqbrmsJTotKjph4/mo4DmtYvnmoTlhoXlrrnvvJs8YnI+ROOAgeS6jOawp+WMluawruS8muaxoeafk+epuuawlO+8jOWxnuS6juepuuawlOi0qOmHj+ajgOa1i+eahOWGheWuue+8mzxicj7mlYXpgIlC77yO