地黄经加工炮制为熟地黄,改变了药物性能,其功效变为()。
A.清热降火
B.补血滋阴
C.滋阴凉血
D.生津凉血
参考答案:B
She couldn’t decide which restaurant _______.
A.to have lunch
B.to eat
C.to eat at
D.eating at
力学—经验法