问题
选择题
The coal boss took the risk of making money ________ the safety of his workers. [ ]
A. in need of
B. instead of
C. in case of
D. regardless of
答案
D
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The coal boss took the risk of making money ________ the safety of his workers. [ ]
A. in need of
B. instead of
C. in case of
D. regardless of
D
2NH3（g）的反应热和化学平衡常数分别为△H和K, 则相同温度时反应4NH3（g）
2N2（g）＋6H2（g）反应热和化学平衡常数为 [ ]