附子粳米汤所治证的病机是（）
A.脾胃虚寒，水湿内停
B.脾胃虚寒，风寒外柬
C.脾胃虚寒，水谷不化
D.脾胃虚寒，痰湿内停
参考答案：A
— Would you please go hiking with me tomorrow?
— Sorry, I ______. I'll have to meet my cousin in the train station. [ ]
A. can't
B. won't
C. mustn't
D. needn't
《国际防止油污证书》的英文缩写是什么？（）
A、IAPP
B、IOPP
C、IOOP
D、IPOP
