硫胺素缺乏可产生下列哪种疾病()。
A.克山病
B.癞皮病
C.眼干燥症
D.恶性贫血
E.脚气病
参考答案:E
-Mum, I play computer games?
-Yes, you can. But you have to finish your homework first. [ ]
A. must
B. may
C. will
D. need
迎香穴位于()
A.鼻孔外缘,旁开0.5寸
B.鼻翼外缘,旁开0.5寸
C.鼻翼外缘中点,旁开0.5寸
D.鼻翼上缘中点,旁开0.5寸
E.平鼻孔,当鼻唇沟中