含哪类成分的药物在炮制处理过程中宜“忌铁器”().
A.生物碱
B.鞣质
C.油脂
D.树脂
E.苷
参考答案:B
–--I play high-temperature Yoga in the gym every Sunday.
---- Good habit, but the air in the gym is bad ________.
A.to be breathed
B.to breathe
C.breathing
D.being breathed
使用梯度翻转获得回波信号的序列是()
A.FID序列
B.自旋回波序列
C.梯度回波序列
D.回波平面序列
E.梯度回波平面序列