单项选择题

Doctors believe that lung cancer is caused ______ by smoking too much.

A．part
B．at part
C．in part
D．with part

<上一题目录下一题>

热门试题

单项选择题

(As is known) to (all), sometimes it is very difficult (to tell) the difference between technical English (from everyday English).

A．As is known
B．all
C．to tell
D．from everyday English

单项选择题

(Giving the opportunity), this (highly intelligent) child will become (whatever) his parents wish him (to be).

A．Giving the opportunity
B．highly intelligent
C．whatever
D．to be

相关试题