苯佐那酯为
A.抗酸药
B.止咳药
C.胃动力药
D.平喘药
E.祛痰药
参考答案:B
解析:苯佐那酯对呼吸道局部感受器和神经末梢有麻醉作用,消除和减弱局部刺激作用,从而缓解咳嗽。
根据句意,用括号内所给词的适当形式填空。
1. She sees a film _____ (one) a month.
2. Tom was _____ (illness) yesterday, so he didn't go to school.
3. Doing exercise can help us stay _____(health).
4. Li Hua had a _____ (quickly) breakfast and then went to work.
5. Don't _____ (worried) about your English. I can help you.
6. It takes me an hour_____ (get) to school every day.
7. Will you go climbing with us if it _____ (not snow) next Sunday?
8. It's ten _____ (minute) ride from my home to school.
9. There is a girl _____ (draw) a picture under the tree.
10. Students of English will find the book very _____. (use)
灰分测定中应注意哪些问题?