Nothing but six chairs _______ in the room. [ ]
A. are
B. is stayed
C. is
D. are left
答案:C
白细胞分类计数,中性粒细胞(包括杆状核及分叶核)正常应占()。
A.0.5%~1%
B.3%~8%
C.20%~40%
D.50%~75%
E.70%~85%
促胃液素瘤表现为
A.Zollinger-Ellison综合征B.Charcot三联症C.Whipple三联症D.类癌综合征