《青衫泪》是根据哪首诗改编而来的?()
A.《梦游天姥吟留别》
B.《琵琶行》
C.《将进酒》
D.《长恨歌》
参考答案:B
The project _______ a success as the income of the company increases every year.
A.is proved
B.had proved
C.has proved
D.has been proved
下列分子式表示的物质肯定存在同分异构体的是( )
A.CH4
B.C2H4O2
C.C2H4
D.C2H5Cl