如图所示的四种现象中,属于光的折射现象的是[ ]
A.
B.
C.
D.
答案:B
患者,男,50岁。失眠2年,经常多梦少眠,头晕耳鸣,遗精,舌质红,脉细数。治疗除取主穴外,还应加
A.脾俞、足三里、内关
B.脾俞、内关、公孙
C.肝俞、阳陵泉、内关
D.肝俞、行间、心俞
E.心俞、肾俞、太溪
The names of the currencies of U. S.
A. U. K and Germany are called ______ respectively.A. US Dollar, Pound Sterling and Deutsche MarkB. US Dollar, Deutsche Mark and Pound SterlingC. US Dollar, Guilder and Deutsche MarkD. US Yuen, Pound Sterling and Deutsche Mark