1/5单选题
难度：
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 |
- 提示1：
- 5byV6LW35rip5a6k5pWI5bqU55qE5rCU5L2T5pyA5Li76KaB55qE5piv5LqM5rCn5YyW56Kz
正确答案：QQ==
6IO95aSf5byV6LW35rip5a6k5pWI5bqU55qE5rCU5L2T5pyJ5LqM5rCn5YyW56Kz44CB55Sy54O344CB6Iet5rCn562J77yM5YW25Lit5LqM5rCn5YyW56Kz5piv5pyA5Li65Li76KaB55qE44CC
2/5单选题
难度：
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 |
- 提示1：
- 5pys6aKY6ICD5p+l5LqM5rCn5YyW56Kz55qE55So6YCU77yM5rCU5oCB55qE5LqM5rCn5YyW56Kz5LiO5Zu65oCB55qE5LqM5rCn5YyW56Kz5Z2H5pyJ5LiN5ZCM55qE55So6YCU77yM5Y+v5Lul6ICD6JmR5LuW5Lus55qE5oCn6LSo6L+b6KGM5Yik5pat44CC
- 提示2：
- 6YCg5oiQ6Iet5rCn5bGC56m65rSe55qE5bi46KeB54mp6LSo5Li65rCf5Yip5piC44CC
正确答案：QQ==
Qemhue+8jOmAoOaIkOiHreawp+Wxguepuua0nueahOW4uOingeeJqei0qOS4uuawn+WIqeaYgu+8m0HpobnplJnor688YnI+Qumhue+8jOWbuuaAgeS6jOawp+WMlueis+WNs+W5suWGsO+8jOWPr+eUqOadpeS6uuW3pemZjembqO+8mzxicj5D6aG577yM5LqM5rCn5YyW56Kz5piv5qSN54mp5YWJ5ZCI5L2c55So5b+F6aG755qE54mp6LSo77yMQ+mhueato+ehru+8mzxicj5E6aG577yM5LqM5rCn5YyW56Kz5LiN5pSv5oyB54eD54On77yM5Y+v55So5p2l5YGa54Gt54Gr5YmC77yb5Zu65oCB55qE5LqM5rCn5YyW56Kz5Y2H5Y2O5ZC45pS25aSn6YeP54Ot77yM5Zug5q2k5Y+v55So5p2l5YGa5Yi25Ya35YmC77yMROmhueato+ehruOAgg==
3/5单选题
难度：
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 |
- 提示1：
- 5ZCr56Kz54eD5paZ55qE54eD54On5Lya55Sf5oiQ5aSn6YeP5LqM5rCn5YyW56Kz
正确答案：RA==
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
4/5单选题
难度：
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 |
- 提示1：
- 5qC55o2u5LqM5rCn5YyW56Kz5aKe5Yqg55qE5Li76KaB5pa55byP5piv546w5Zyo5a+55YyW55+z54eD5paZ562J55qE5L2/55So77yM5ZKM546w5Luj5LiO5Y6f5p2l55qE5LiN5ZCM54K56ICD6JmR77yO
正确答案：RA==
QeOAgeWkp+mHj+eBq+WxseWWt+WPkeaYr+WOn+adpeeahOS6i++8jOeOsOWcqOW+iOWwkeacieeBq+WxseWWt+WPke+8jOaVhUHplJnvvJs8YnI+QuOAgeawlOWAmeeahOiHqueEtuazouWKqOmDveWfuuacrOaYr+ebuOWQjOeahO+8jOaJgOS7peW5tuS4jeaYr+awlOWAmeiHqueEtuazouWKqOeahOe7k+aenO+8jOaVhULplJnvvJs8YnI+Q+OAgea1rua4uOeUn+eJqeeahOWFieWQiOS9nOeUqOaYr+a2iOiAl+S6jOawp+WMlueis+iAjOS4jeS6p+eUn+S6jOawp+WMlueis++8jOaVhUPplJnvvJs8YnI+ROOAgeeUseS6jueOsOWcqOS6uuexu+eUn+a0u+WlveS6hu+8jOacieS6hui9v+i9pu+8jOWwseimgeeHg+eDp+axveayue+8jOWPluaaluS5n+imgeS9v+eUqOeFpOeCreeHg+eDp++8jOWFs+mUruaYr+eUseS6juS6uuexu+Wkp+mHj+eahOS9v+eUqOWMluefs+eHg+aWmemAoOaIkOeahO+8jOaVhUTmraPnoa7vvI48YnI+5pWF6YCJRO+8jg==
5/5单选题
难度：
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 |  |
- 提示1：
- 5pys6aKY6ICD5p+l55qE5piv5rip5a6k5pWI5bqU55qE55u45YWz55+l6K+G44CC5LqM5rCn5YyW56Kz55qE5rWT5bqm6LaK6auY77yM5rip5a6k5pWI5bqU5Lmf5bCx6LaK5piO5pi+44CC
正确答案：RA==
57u85ZCI5p2l55yL5Zub5Liq6YCJ6aG577yM5LiN5ZCM54K55Zyo5LqO6ZuG5rCU55O25Lit55qE5rCU5L2T5oiQ5YiG55qE5ZCr6YeP5LiN55u45ZCM77yMROmhueS4reS6jOawp+WMlueis+WQq+mHj+acgOWkmu+8jOWboOatpOa4qeWupOaViOW6lOihqOeOsOeahOWwsei2iuaYjuaYvuOAgjxicj7lnKjlhYnnhaflkIznrYnml7bpl7Tml7bvvIxE55O255qE5rip5bqm5Y2H6auY56iL5bqm5pyA5aSn77yM5Zug5q2k5Y6L5by65aKe5aSn77yMYea2sumdouacgOS9juOAgg==