B超检查显示宫颈肿物直径4.5cm,宫腔线波消失,可见2cm×1cm不均质光团,提示宫腔受累,则临床分期为:
A.Ⅱa期
B.Ⅱb期
C.Ⅲa期
D.Ⅲb期
E.Ⅳa期
参考答案:B
Jim doesn’t understand ____________. [ ]
A. which is the way to the museum
B. why his wife always goes shopping
C. what is the way to the museum
D. why does she always go shopping
一定量的某饱和一元醛发生银镜反应,析出银21.6g。等量的此醛完全燃烧时,生成的水为5.4g。则该醛可能是[ ]
A.乙醛
B.丙醛
C.丁醛
D.甲醛