驾驶机动车倒车时,要察明车后情况,确认安全后倒车。
参考答案:对
He is quite ________ of the risk, but he has no choice but to go ahead.[ ]
A. eager
B. aware
C. sensitive
D. serious
胃癌的发生部位()
A.幽门区最多
B.贲门部位最多
C.胃窦最多
D.胃大弯最多
E.胃小弯最多