"脾胃虚衰,元气不足"可导致发热,治当"甘温除热"的说法出于何书()
A.《河间六书》
B.《儒门事亲》
C.《格致余论》
D.《景岳全书》
E.《脾胃论》
参考答案:E
—_____ your family with you in China?
—No, they are in America. [ ]
A. Is
B. Do
C. Are
D. Does
半知菌分类的主要依据是什么?