患者,男性,45岁。近来发生心动过速。查体:心率为150次/分,律规则,按压颈动脉窦

题型:单项选择题 A2型题

问题:

患者,男性,45岁。近来发生心动过速。查体:心率为150次/分,律规则,按压颈动脉窦后,心率突然减慢至90次/分,但运动后又增快至l50次/分。诊断虽可能是()

A.阵发性室上性心动过速

B.阵发性室性心动过速

C.窦性心动过速

D.阵发性房性心动过速伴2:1房室传导

E.心房扑动,2:1房室传导

考点:中西医结合执业医师第二单元循环系统疾病第二单元循环系统疾病题库
题型:单项选择题 A2型题

对长度为N的线性表进行顺序查找,在最坏情况下所需要的比较次数为______。

A.N+1

B.N

C.(N+1)/2

D.N/2

题型:单项选择题 A2型题

分行应加强对有追索权国际保理项下应收账款的催收工作,在应收账款到期前(),向出口商和进口商致函催收。

A.15天内

B.30天内

C.60天内

D.90天内

题型:单项选择题 A2型题

果蔬原料去皮的方法有()。

题型:单项选择题 A2型题

A Trip to the Forest


One day Bob took two of his friends into the mountains. They put up their tents(帐篷) and then rode off to a forest to see how the trees were growing.
In the afternoon when they were about ten kilometres from their camp(营地), it started to snow. More and more snow fell. Soon Bob could hardly see his hands before his face. He could not find the road. Bob knew there were two roads. One road went to the camp,and the other went to his house. But all was white snow. Everything was the same. How could he take his friends back to the camp
Bob had an idea. The horses! Let the horses take them back! But what would happen if the horses took the road to his house That would be a trip of thirty-five kilometres in such cold weather!
It was getting late. They rode on and on. At last the horses stopped. Where were they None of them could tell. Bob looked around. What was that under the tree It was one of their tents!

Bob and his two friends went to the forest to watch the trees in the forest.
[A] Right. [B] Wrong. [C] Doesn’t say.

题型:单项选择题 A2型题

双层单动岩心管的外管不转动。

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