问题
选择题
可逆反应N2+3H2===2NH3（正反应是放热反应）达到平衡后，为了使氢气的转化率增大，下列选项中采用的三种方法都正确的是 （ ）
A．升高温度、降低压强、增加氮气
B．降低温度、增大压强、加入催化剂
C．升高温度、增大压强、增加氮气
D．降低温度、增大压强、分离出部分氨
答案
答案：D
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可逆反应N2+3H2===2NH3（正反应是放热反应）达到平衡后，为了使氢气的转化率增大，下列选项中采用的三种方法都正确的是 （ ）
A．升高温度、降低压强、增加氮气
B．降低温度、增大压强、加入催化剂
C．升高温度、增大压强、增加氮气
D．降低温度、增大压强、分离出部分氨
答案：D
阅读短文，从方框中选择适当的动词，并用其适当形式填空。有的需要加助动词或不定式符号（每词限用一次）。
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