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问题 单项选择题

一个企业生产经营的产品大类的数量，即拥有的产品线数量是其产品组合的( )。

A．宽度

B．长度

C．深度

D．一致性

答案

参考答案：A

解析： 本题考查产品组合的宽度概念。一个企业生产经营的产品大类的数量，即拥有的产品线数量是其产品组合的宽度。

单项选择题

产妇会阴侧切术后正常分娩，产后5天拆线，发现伤口感染，愈合不佳，需用1：5000高锰酸钾溶液坐浴，应指导产妇从何日开始为宜（）。

A.拆线后当天开始

B.产后2天

C.拆线后5天

D.拆线后7天

E.产后7～10天
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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.

27（）

A.empty 

B.narrow 

C.secret 

D.open
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