此患者首选的治疗为：
A．单纯腔内放疗
B．单纯全盆外放疗
C．化疗
D．全盆放疗加化疗
E．腔内放疗及宫旁四野照射
参考答案：E
—Must I stay here with you?
—No , you____.Just do your own business. [ ]
A. mustn't
B.needn't
C.can't
D.may not
参与Ⅰ型变态反应的是（）
A.IgE
B.IgD
C.IgG
D.IgA
E.IgM
