问题
选择题
China has got a good ______ for fighting against the flu with its careful and smooth organization. [ ]
A. influence
B. impression
C. knowledge
D. reputation
答案
答案：D
搜题请搜索小程序“爱下问搜题”
China has got a good ______ for fighting against the flu with its careful and smooth organization. [ ]
A. influence
B. impression
C. knowledge
D. reputation
答案：D
，则H2SO4和Ba（OH）2反应的中和热为：
