通过文件（）来设置虚拟主机。
A.httpD.conf
B.sendmail.cf
C.diphosts
D.host.conf
参考答案：A
650×8的积的末尾只有一个0．______．
The fog was so heavy this morning that drivers could hardly _______ the things just ten meters away from them.
A．figure out
B．look out
C．make out
D．try out
