The population of China is _______ than that of America.

A．larger fives times

B．five times larger

C．five times as

D．as five times.

下列药品属于药品类易制毒化学品的有（）。

A.麦角新碱

B.盈利浓缩物

C.麻黄浸膏

D.麦角酸