按照《建设项目环境保护管理条例》规定,并非所有对环境有影响的项目都要进行环境影响评价。()
参考答案:错
In my point of view, the question is not _____ the world is going to have a new economic crisis,
but when. [ ]
A. that
B. how
C. what
D. whether
0.5mol的氢气在标准状况下所占的体积约是( )
A.22.4L
B.11.2L
C.5.6L
D.2.24L