—When is his English Party?
—_____, I don't know. [ ]
A. Sorry
B. OK
C. Excuse me
D. Yes
A
心肌梗死后综合征表现不包括().
A.胸膜炎
B.肺炎
C.发热、胸痛
D.心包炎
E.阑尾炎
胶原的受体是
A.GPⅠa/GPⅡa复合物B.GPⅠb/GPⅨ复合物C.GPⅡb/GPⅢa复合物D.GPⅤE.GPⅣ