霍乱病人有呕吐、腹泻且腹痛明显。()
参考答案:错
You are in a bad mood all the afternoon. Maybe you need _______ like me to cheer you up. [ ]
A. no one
B. none
C. someone
D. everyone
在我国一次能源消费结构中,所占比重最大的是( )
A.煤炭
B.石油
C.天然气
D.其它