守库期间接受上级检查，必须验明“三证”，以下不属于“三证”的是（）。A、工作证 B、身

 --- How did you like ________ Jim’s party ?

--- I should say it was ________success.

A．/ ; a

B．the ; /

C．a; a

D．a ; /

Assume that for the average consumer, the quantity demanded for jeans increases from 5 to 7 pairs per year in response to a price decrease from $ 29 to $ 24 per pair. The price elasticity and relative elasticity of demand for jeans is best described by which of the followingPrice elasticity of demand Relative elasticity （） ①A. -1.77 Relatively inelastic ②B. -2.32 Relatively elastic ③C. -1.77 Relatively elastic

A. ①

B. ②

C. ③

中成药的出口额的大幅增长说明（）。

A．中药比西药好

B．中药越来越多的被海外接受

C．中成药的价格便宜

D．中国在世界上的地位越来越重要