患者，男性，52岁，心率150次／分，心电图提示QRS时限>0.12秒，R_爱下问搜题

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问题单项选择题 A3/A4型题

患者，男性，52岁，心率150次／分，心电图提示QRS时限>0.12秒，R-R间期不绝对相等，刺激迷走神经时心率无变化。

应首选下列何种药物治疗（）。

A.苯妥英钠

B.洋地黄

C.利多卡因

D.奎尼丁

E.胺碘酮

答案

参考答案：C

完形填空

完形填空。
Long long ago,there was a swan(天鹅)with golden feathers(金羽毛). She lived in a lake. A woman lived in a small house 1 the lake with her two daughters. They were very poor. They worked hard all yearround, 2 still, they lived a hard life and sometimes they even didn't have enough _3 to buy food. The swan was 4 to see that. She said to herself, "I'11 give one of my 5 to them each day , then they can live a happy life with the money selling my feathers. "That evening , she 6 to the poor woman's house and left a golden feather on the table without saying 7 . From then on,the swan came every day and gave them a feather. The woman was very happy because their life was much 8 than before.But day after day, the woman became greedy(贪婪的). She said to her 9 ,"The swan may fly away one day. If so , we will be poor again. We should take all 10 feathers when she comes next time. " "Oh no,Mom!"cried the daughters,"This will 11 the swan. She helps us a lot ! "But the mother wouldn't listen. When the 12 came as usual, the mother caught her and took all her feathers. But suddenly, the golden feathers 13 chicken feathers. Then , the golden swan said , "Poor mother , I came to 14 you, but you wanted to kill me.Now, I am leaving and will 15 come back. Never be greedy! " With these words , the swan flew away.
( )1. A. above ( )2. A. and ( )3. A. money ( )4. A. happy ( )5. A. presents ( )6. A. flew ( )7. A something ( )8. A. duller ( )9. A. brothers ( )10. A. his ( )11. A. hurt ( )12. A. woman ( )13. A. heard of ( )14. A. trouble ( )15. A. sometirries	B. over B. but B. time B. surprised B. golden coins B. ran B. everything B. better B. sisters B. her B. save B. daughter B. changed into B. help B. always	C. near C. so C. room C. sad C. feathers C. climbed C. nothing C busier C. sons C. their C. protect C. chicken C. looked for C. teach C. usually	D. under D. or D. energy D. scared D. collections D. walked D. anything D. harder D. daughters D. our D. refuse D. swan D. came from D. invite D. never

判断题

物流园区规划必须从区域经济总量、产业结构、产业趋势及产业辐射半径等现实和潜在资源能力出发。