理中丸的组成药物是()
A.附子、干姜、人参、白术
B.附子、干姜、白术、茯苓
C.附子、干姜、甘草、白术
D.干姜、人参、白术、甘草
E.干姜、人参、茯苓、甘草
参考答案:D
I want to know how much _____ about the table manners around the world. [ ]
A. do they know
B. they know
C. did they know
D. have they knows