肾上腺素在心肺脑复苏中的作用不正确的是（） A.心脏复苏中最常_爱下问搜题

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问题单项选择题 A1/A2型题

肾上腺素在心肺脑复苏中的作用不正确的是（）

A.心脏复苏中最常用、最有效的药物

B.兴奋α受体，提高主动脉收缩压，改善心脑灌注

C.恢复已停跳心脏的心电活动

D.心室纤颤由细颤转为粗颤

E.剂量为1mg，无效时可加大剂量首剂5mg

答案

参考答案：B

解析：肾上腺素通过兴奋α受体，提高主动脉的舒张压，而并非主动脉的收缩压，从而改善心脑重要器官的灌注。

单项选择题

甲公司2011年度财务报表由B会计师事务所审计，2013年1月5日甲公司已与F会计师事务所签订合同审计其2012年度财务报表，下列关于B会计师事务所与F会计师事务所之间的沟通说法不正确的是（）。

A、因为已经与甲公司签订了合同，因此在查阅B会计师事务所的工作底稿前，不需要征得甲公司的同意

B、沟通可以采用电话询问、举行会谈等方式

C、沟通最常用的方式是查阅B会计师事务所的工作底稿

D、沟通并不是必要程序，而是由F会计师事务所根据审计工作需要自行决定

完形填空

"Everything happens for the best, "my mother said whenever I faced disappointment, "If you   21   on, something good will happen some day."
Mother was right, as I discovered after graduating from college. I had   22  myself for a sports announcer. So I went to Chicago to knock on the door of every station and was 23  every time. In one station, a kind lady told me that 24 stations wouldn't employ a person without   25   since I had just graduated. "Go out in the town and find a small station that might give you a chance, "she said.
I returned to Dixon, where I had finished my high school education and had   26  in the school football team. My father said that our town had built a store and wanted a man to manage its sports department. The job sounded just 27 for me but I wasn't hired.
My disappointment had 28 as if by design. "Everything happens for the best," Mum  29 me. Dad lent me his car to look for a job. I tried WOC Radio Davenport. The program director told me they had already hired an announcer.   30 I left his office, I asked aloud," 31 can a fellow get to be a sports announcer if he can't get a job in a radio station?" Suddenly, I heard the director 32 . "Do you know anything about football? " Then he asked me to 33  an imaginary game. It was easy, and I did it without difficulty. The director was 34 and told me I would be broadcasting a game on the   35    Saturday.

B．examination

B．disappeared

C．broadcasting