下述哪点不是紫外线的效应（）
A.加速血液循环
B.促进VitD合成
C.促进色素生成
D.免疫抑制
E.单色性好，相干性强
参考答案：E
—I called you at 6 o'clock yesterday evening, but nobody answered.
— I'm sorry. I my friend download the movie Kung Fu PandaⅡwhen the telephone rang,
A. would help B. helped C. was helping
哪种肝硬化引起肝性脑病最多见（）.
A.酒精性肝硬化
B.原发性胆汁性肝硬化
C.淤血性肝硬化
D.肝炎后肝硬化
E.血吸虫病性肝硬化
