熟地黄的功效是()
A.清热生津,凉血止血
B.清热凉血,养阴生津
C.滋阴补血,益精填髓
D.凉血止血
E.补血止血
参考答案:C
What ________ results!
A.disappointed
B.disapointed
C.disappointing
D.disapointing
发电机是根据 _________ 现象制成的;电动机是把电能转化成 _________ 能的装置.