A plane is _ than a car. [ ]
A. much fast
B. faster much
C. much faster
D. fast much
答案:C
照查继电器是为锁闭()用的,对应每一()各设一个。
“十四字”礼貌用语不包括()。
A.走好
B.您
C.对不起
D.谢谢