本课配套习题挑战模式1/5
单选题
难度系数:
1.“促进低碳经济”,警示温室效应对人类的危害.引起温室效应的主要气体是
A: CO2 |
B: N2 |
C: H2 |
D: O2 |
一次做对,真牛!
+5奖励规则>
- 提示1:5byV6LW35rip5a6k5pWI5bqU55qE5rCU5L2T5pyA5Li76KaB55qE5piv5LqM5rCn5YyW56Kz
- 答案:QQ==
6IO95aSf5byV6LW35rip5a6k5pWI5bqU55qE5rCU5L2T5pyJ5LqM5rCn5YyW56Kz44CB55Sy54O344CB6Iet5rCn562J77yM5YW25Lit5LqM5rCn5YyW56Kz5piv5pyA5Li65Li76KaB55qE44CC
本课配套习题挑战模式2/5
单选题
难度系数:
2.二氧化碳对生活和环境有着重要影响.下列对二氧化碳利弊的描述不正确的是
A: 大气中二氧化碳过多会造成臭氧空洞 |
B: 利用固态二氧化碳可以进行人工降雨 |
C: 温室里施用二氧化碳能促进植物生长 |
D: 二氧化碳可以用来做灭火剂、致冷剂 |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6ICD5p+l5LqM5rCn5YyW56Kz55qE55So6YCU77yM5rCU5oCB55qE5LqM5rCn5YyW56Kz5LiO5Zu65oCB55qE5LqM5rCn5YyW56Kz5Z2H5pyJ5LiN5ZCM55qE55So6YCU77yM5Y+v5Lul6ICD6JmR5LuW5Lus55qE5oCn6LSo6L+b6KGM5Yik5pat44CC
- 提示2:6YCg5oiQ6Iet5rCn5bGC56m65rSe55qE5bi46KeB54mp6LSo5Li65rCf5Yip5piC44CC
- 答案:QQ==
Qemhue+8jOmAoOaIkOiHreawp+Wxguepuua0nueahOW4uOingeeJqei0qOS4uuawn+WIqeaYgu+8m0HpobnplJnor688YnI+Qumhue+8jOWbuuaAgeS6jOawp+WMlueis+WNs+W5suWGsO+8jOWPr+eUqOadpeS6uuW3pemZjembqO+8mzxicj5D6aG577yM5LqM5rCn5YyW56Kz5piv5qSN54mp5YWJ5ZCI5L2c55So5b+F6aG755qE54mp6LSo77yMQ+mhueato+ehru+8mzxicj5E6aG577yM5LqM5rCn5YyW56Kz5LiN5pSv5oyB54eD54On77yM5Y+v55So5p2l5YGa54Gt54Gr5YmC77yb5Zu65oCB55qE5LqM5rCn5YyW56Kz5Y2H5Y2O5ZC45pS25aSn6YeP54Ot77yM5Zug5q2k5Y+v55So5p2l5YGa5Yi25Ya35YmC77yMROmhueato+ehruOAgg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.在大气层中,因CO2的含量不断增加而引起“温室效应”,造成大气中CO2含量增加的主要原因是
A: 由于动植物呼吸作用增加 |
B: 由实验室逸出的CO2增加 |
C: 由于森林绿化面积迅速递减,使得自然界吸收CO2的能力降低 |
D: 由于大量燃烧含碳燃料 |
一次做对,真牛!
+5奖励规则>
- 提示1:5ZCr56Kz54eD5paZ55qE54eD54On5Lya55Sf5oiQ5aSn6YeP5LqM5rCn5YyW56Kz
- 答案:RA==
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本课配套习题挑战模式4/5
单选题
难度系数:
4.由图可知,大气中CO2浓度大约从1800年起急剧增加,下列解释合理的是
A: 大量火山的喷发 |
B: 气候的自然波动 |
C: 浮游生物的光合作用 |
D: 人类大量使用燃料 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5LqM5rCn5YyW56Kz5aKe5Yqg55qE5Li76KaB5pa55byP5piv546w5Zyo5a+55YyW55+z54eD5paZ562J55qE5L2/55So77yM5ZKM546w5Luj5LiO5Y6f5p2l55qE5LiN5ZCM54K56ICD6JmR77yO
- 答案:RA==
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本课配套习题挑战模式5/5
单选题
难度系数:
5.在下列四个完全相同的装置中,分别盛有空气、二氧化碳或二者的混合气体,同时将它们放在阳光下一段时间后,U形管内a端液面最低的是
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6ICD5p+l55qE5piv5rip5a6k5pWI5bqU55qE55u45YWz55+l6K+G44CC5LqM5rCn5YyW56Kz55qE5rWT5bqm6LaK6auY77yM5rip5a6k5pWI5bqU5Lmf5bCx6LaK5piO5pi+44CC
- 答案:RA==
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