催化剂加速反应到达平衡是由于它提高了正反应的速率，同时降低可逆反应的速率。（ ）
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理想气体反应，定温定容条件下添加惰性组分时，平衡将向体积减小的方向移动。（ ）
A. 对
B. 错
I'm cold. This sweater...
A. is bigger than the other one.
B. is too small.
C. isn't warm enough.
D. is too thick.
I can't afford that dress. It...
A. is less expensive than the other one.
B. is too expensive.
C. isn't expensive enough.
D. isn't pretty.
I can't walk! These pants...
A. are too tight.
B. aren't tight enough.
C. are tighter than the others.
D. are too short.
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