“血痹虚劳篇”所述,治疗虚劳病的根本大法是()
A.益气养血
B.滋补肝肾
C.补益脾肾
D.补益脾肺
E.补益心肺
参考答案:C
I just managed to _____ a quick breath before I was sucked under the water by the passing boat.
A.snatch
B.scratch
C.scrape
D.scan
动力往复泵的流量脉动随柱塞或活塞的()而变化。
A.大小
B.形状
C.运动速度
D.缸数