______ Jeff like oranges?[ ]
A. Is
B. Do
C. Does
答案:C
_______you worked late yesterday, you need ’t have come this morning.
A.Unless
B.Though
C.Once
D.As
下列哪项不符合梅尼埃病患者音叉试验的特征()
A.Schwabach试验骨导缩短
B.Stenger试验阳性
C.Gelle试验阳性
D.Weber试验偏向健侧
E.Rinne试验阴性