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问题 单项选择题 A1型题

肺部肿块合并肺不张时，CT增强扫描的目的是（）

A.了解有无纵隔淋巴结肿大

B.观察肺不张的范围

C.了解支气管浸润程度

D.了解肿块周围肺组织的情况

E.明确显示肿块大小和边界

答案

参考答案：E

解析：肿块合并肺不张时，CT增强扫描的目的是明确显示肿块大小和边界，同时增强扫描还有利于鉴别肺不张的原因。

单项选择题

指出“哮以声响言，喘以气息言”的医籍是 ( )

A．《伤寒论》
B．《备急千金要方》
C．《医门法律》
D．《医学正传》
E．《金匮要略》
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单项选择题

Recently, I flew to Las Vegas to attend a meeting. As we were about to arrive, the pilot announced with apology that there would be a slight (16) before setting down. High desert winds had (17) the airport to close all but one runway. He said that we would be (18) the city for a few minutes waiting to (19) . We were also told to remain in our seats meanwhile with our seat belts fastened (20) there might be a few bumps(颠簸). Well, that few minutes turned into about four-five minutes, including a ride that would make a roller coaster(过山车) (21) by comparison. The movement was so fierce that several passengers felt (22) and had to use airsickness bags. As you might guess, that’ s not a good thing to have happen in a(n) (23) space because it only (24) to increase the discomfort of the situation.

About twenty minutes into the adventure, the entire airplane became very (25) There was now a sense of anxiety and fear that could be (26) noticed. Every passenger simply held on for dear life …except one. A (27) was having a good time！ With each bump of the (28) , he would let out a giggle (咯咯地笑)of delight. As I observed this, I (29) that he didn’t know he was supposed to be afraid and worried about his (30) . He neither thought about the past nor about the future. Those are what we gown--ups have learned from (31) . He was (32) the ride because he had not yet been taught to fear it. Having understood this, I took a deep breath and (33) back into my seat, pretending I was (34) on a roller coaster. I smiled for the rest of the flight. I even (35) to giggle once or twice, much to the chagrin(随恼) of the man sitting next to me holding the airsickness bag.

20（）

A.mistake 

B.delay 

C.change 

D.wind
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