【判断题】【消耗次数：1】
如果原料气中的二氧化碳含量过高，需采用变换操作来调整氢碳比。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
二氧化碳被称为温室气体，是因为二氧化碳能（）。
①
A.吸收太阳辐射，使人体增温
②
B.破坏臭氧，使到达地面的紫外线增多
③
C.强烈地吸收地面放出的长波辐射
④
D.通过光化学反应向大气中释放热能
【多选题】
碳汇 （Carbon Sink）:一般是指从空气中清除二氧化碳的（）。主要是指森林吸收并储存二氧化碳的多少，或者说是森林吸收并储存二氧化碳的能力。
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过程
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活动
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人为
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机制
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开发
【单选题】
二氧化碳培养箱规范操作不包括
①
CO2钢瓶应固定，远离散热器、明火灯
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查看培养箱温度和CO2是否在设定范围内
③
装有感染性材料的细胞培养板可在安全柜内用胶带固定盖子后，再用托盘转移放入培养箱
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箱内物品放置不用留空隙，尽量全部占满
【单选题】
（），即把二氧化碳排放权作为一种商品，买方通过向卖方支付一定金额从而获得一定数量的二氧化碳排放权，从而形成了二氧化碳排放权的交易。
①
碳交易
②
碳排放
③
碳汇
④
碳达峰
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