下列行为正确的是：（ ）
A. 用口尝药品味道
B. 从试剂瓶中倒液体时，标签向着手心
C. 用移液管取不同液体
D. 用PH计测脱脂剂的PH=15.56
It can be inferred from the passage that when Virchow studied at Friederich Institute, some people believed that______.
A. pathological histology was undeveloped
B. most diseases were caused by phlebitis
C. diseases were created at the cellular level of the body
D. medical education should be based on physiology
经颅频谱多普勒超声(TCD)常规探测大脑动脉血流信号，下列哪项为血流背离探头 (负向流速曲线)：①椎-基底动脉；②大脑中动脉；③大脑前动脉；④大脑后动脉
A. ①②③
B. ①③
C. ②④
D. ④
E. ①②③④
______is located in the west of Great Britain.
A. England
B. Scotland
C. Welsh
D. Northern Ireland
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