人工心脏起搏器编码的第4个字母代表 A.起搏的心腔 B.感知的心腔 C.感知

题型:单项选择题

问题:

人工心脏起搏器编码的第4个字母代表

A.起搏的心腔
B.感知的心腔
C.感知后的反应方式
D.程控、遥测、频率应答功能
E.抗快速心律失常功能

考点:心电学技术(主管技师)心电学专业实践能力心电学技术专业实践能力
题型:单项选择题

用于吐血,衄血,便血,崩漏,为止血要药的药物是()

A.当归

B.茜草

C.仙鹤草

D.何首乌

E.阿胶

题型:单项选择题

-Jim had nothing for breakfast this morning ,            ?

          . He got up too late .

A.  had he, Yes.      B. hadn' t he , Yes.         C. did he , No .

题型:单项选择题

In June 1985, two British mountaineers Joe Simpson and Simon Yates made the first-ever climb of the 21,000-foot snow-covered Siula Grande mountain in Peru. It was an exceptionally (26) job, but nothing compared to what was to (27) . Early in the process, Simpson (28) and broke his right knee. Yates could have (29) him but managed to find a way of (30) him down the mountains on a rope in a series of difficult drops. Then Simpson fell into a crevasse and Yates eventually had no (31) but to cut the (32) , completely convinced that his friend was now (33)

In his book on the (34) , Joe Simpson wrote:

(35) I looked at the distant moraines, I know that I must at least try I would probably (36) there among those rocks. If I died, well, that wasn’t so (37) , but I wouldn’t have (38) waited for it to happen. The (39) of dying no longer affected me as it had in the crevasse at first. I now had a chance to (40) it and struggle against it.

The survival of Yates himself was (41) . That Simpson somehow found a way of (42) out of the crevasse after 12 hours and then crawled and (43) himself six miles back to camp, (44) three days and might without food or drink, would be considered as a heroic fiction. But in fact it was so (45) .

27()

A.be came 

B.end 

C.come 

D.change

题型:单项选择题

根据《野生药材资源保护管理条例》,属于国家三级保护野生药材物种的药材是()

A.甘草

B.龙胆

C.川贝母

D.蟾蜍

E.鹿茸

题型:单项选择题

试述酮体的生成过程和生理意义。

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