白前、前胡都具有的功效是()。
A.宣散风热
B.燥湿化痰
C.敛肺止咳
D.降气化痰.
E.纳气平喘
参考答案:D
He ______ in this city since he graduated from college.
A.lives
B.will live
C.has lived
D.would live
波菲利提出的“共相”问题包括哪几个方面?