脾阳不足的阳虚便血证,治宜选用()
A.理中丸
B.黄土汤
C.四物汤
D.归脾汤
E.苓桂术甘汤
参考答案:B
There was such a long queue for coffee at the interval that we ________ gave up. [ ]
A. eventually
B. unfortunately
C. generously
D. purposefully
什么是断路器的横吹灭弧方式?