能促进铁剂吸收的是()
A.维生素C
B.咖啡
C.抗酸药物
D.牛奶
E.茶
参考答案:A
---Would you like to go to the old people’s home this Sunday?
---__________. I have time then.
A.Sure, I’d love to.
B.Not at all.
C.That’s cool.
D.Sorry, I can’t.
边说笑边吃东西,食物容易掉人气管,其原因是
A.气流冲击使声门裂开大
B.气流冲击使喉腔扩大
C.会厌软骨没能盖住喉的人口
D.环状软骨扩大