WWW客户与WWW服务器之间的信息传输使用的协议为( )。
A．HTML B．HTTPC．SMTP D．IMAP
参考答案：B
—When were you born?
—I was born______December 3rd , 2000. [ ]
A. for
B. in
C. on
D. at
军团菌引起感染的病灶部位主要在（）.
A.气管黏膜
B.咽喉部
C.肺泡
D.胃
E.支气管黏膜
