问题
多项选择题
局麻药中加入少量肾上腺素的目的是（）
A.增强局麻作用
B.收缩血管，延缓局麻药的吸收
C.延长局麻作用时间
D.预防吸收中毒
E.防止局麻药的过敏反应
答案
参考答案：B, C, D
搜题请搜索小程序“爱下问搜题”
局麻药中加入少量肾上腺素的目的是（）
A.增强局麻作用
B.收缩血管，延缓局麻药的吸收
C.延长局麻作用时间
D.预防吸收中毒
E.防止局麻药的过敏反应
参考答案：B, C, D
| 根据下列广告牌所示内容，选择最佳答案。 | |||
A B C
| |||
| 1. From Sign (牌) A, can we know ______. | |||
[ ] | |||
| A. you can't walk on the bridge. B. you can't swim here. C. you can fish here. D. you can't cross the bridge. | |||
| 2. Sign A also tells you not to ______. | |||
[ ] | |||
| A. park cars from any part on the bridge B. sell fish on the right side of the bridge C. sell car parts on the bridge D. sell swimming clothes on the bridge | |||
| 3. Sign B means you can ______ here. | |||
[ ] | |||
| A. know the weather B. buy the food C. see a film D. go out for cold drink | |||
| 4. From Sign B you can also know that ______. | |||
[ ] | |||
| A. food must be eaten in the shop B. food can only be eaten outside the shop C. food must be eaten in the car D. food can be eaten either in or out of the shop | |||
| 5. From Sign C, you can ______ in the restaurant. | |||
[ ] | |||
| A. have dinner on Sunday B. have something at 11:00 p.m. on Friday C. have dinner at 9:00 p.m. on Wednesday D. have breakfast at 9:00 a.m. on Saturday |
