原料预热温度升高,则原料经过喷嘴的雾化效果()
A.变差
B.变好
C.不变
参考答案:B
–________ he made up his mind to take a trip to Europe?
–Last week when he got an unexpected reward.
A.When was it that
B.That was it when
C.That it was when
D.When it was that
根据2013年6月施行的《药品经营质量管理规范》,在人工作业的库房储存药品,按质量状态实行色标管理,待确定的药品为()
A.红色
B.蓝色
C.橙色
D.黄色
E.绿色