牡丹皮的道地产区是（） A.海南 B.山东 C.辽宁 D.安徽 E.云南

Look! If we had begun to do the work yesterday morning, we _______ ourselves just like them．

A．would have enjoyed

B．were to enjoy

C．should enjoy

D．would be enjoying

Many girls in our class are            of insects, but I'm            in them.

A. terrified; interesting

B. interested; terrified

C. terrified; interested

D. interested; terrifying

下列哪些微囊化方法属化学法的范围（ ）

A．改变温度法

B．辐射化学法

C．溶剂—非溶剂法

D．界面缩聚法

E．液中干燥法

NTSC制采用的传输信号是（）。

请谈谈开架借阅的优越性和缺点。