工程咨询业是智力型服务业，属于第三产业。进行工程咨询应坚持（）的原则。
A.公开
B.独立
C.优质
D.可靠
参考答案：B
Jean wants to go to China but she _____ money. [ ]
A. didn't have
B. doesn't have no
C. had no
D. has no
涂料刷涂时应（）。
A.勤蘸每刷
B.少蘸长刷
C.勤蘸长刷
D.随意涂刷
