要严格控制温度,应考虑化学反应热,这是因为()。
A、化学反应都要施放热量
B、化学反应都要吸收热量
C、化学反应都伴随着热效应
D、化学反应热无法计量
参考答案:C
Wikileaks became world famous as it _______ a great deal of US military intelligence and posed a serious threat to the US government. [ ]
A. released
B. reviewed
C. relieved
D. revealed
国画家______以画虾而著称于世。( )
A.吴昌硕B.齐白石C.潘天寿D.李苦禅