搜题请搜索小程序“爱下问搜题”
问题 单项选择题

64岁男性，昨晚突然左眼漆黑持续约5分钟。数年前曾有心肌梗死发作。血压为100／90mmHg。眼部检查：双眼视力为1．0，眼底发现动脉纤细和Salus交叉，视野无异常。眼压19mmHg（OU），考虑为（）

A.视网膜脱离

B.青光眼

C.TIA

D.球后视神经炎

E.视神经炎

答案

参考答案：C

解析：因一过性脑缺血发作(transient cerebral ischemic attack，TIA)引起的一过性黑矇，患者眼前有帐幕样闪光，持续几分钟才消失。眼动脉是颈内动脉的分支，胆固醇栓塞是其主要原因，多见于老年患者。

判断题

借贷记账法的记账规则是"有借必有贷，借贷可相？　（　）
查看答案
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.

32（）

A.seats 

B.passengers 

C.flight 

D.airplane
查看答案