阿培折光计测定药物折光率时的光源
A．钠光D线B．日光C．旋转式黏度计D．第二法E．第三法
参考答案：B
下列药物，用风选法可去除杂质的是
A．龙齿
B．大枣
C．蛇蜕
D．莱菔子
E．鸡内金
Suddenly it ____ me that if I let him go, he would never come back again.
A．knocked
B．beat
C．hit
D．whispered
