当遇到深度访谈或对问题所知不多时常用()。
A.专题调查
B.定量调查
C.半定量调查
D.定性调查
E.以上都不是
参考答案:D
His first book is of great use for our course. But his latest one is ____ worth reading.
A. better B more C. much D. very
人民币升值使中国()。
A.进出口商品都更便宜
B.进出口商品都更昂贵
C.进口商品更便宜、出口商品更昂贵
D.进口商品更昂贵、出口商品更便宜