电影中有几处看来是闲笔，实际上却是（）之处。
A：别具一格
B：独树一帜
C：匠心独运
D：不落窠臼
参考答案：C
The driver was very happy that his car ______ very well in this car-washing centre.
A．cleans
B．cleaned
C．was cleaned
D．is cleaned
为了防止保温层和防腐层受到破坏，应（）行人沿管道行走。
A.禁止
B.允许
C.劝阻
D.不宜
