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【单选题】
听力原文:M: Good morning, Patricia. How are you these days? W: Fine, thanks, Bill. Glad to see you again. What news can you bring from your business trip to our headquarters in New York last week? M: Well, not bad ones. During my stay in New York last week, I met our company's CEO Mr. Johnson. He wants us to put on a local conference sometime next month. I remember you made most of the arrangements for our last conference, and things went so smoothly. I thought I couldn't do better than ask you for some tips. W: I'll be glad to help. Is it a sales conference again? M: Yes, in a way. It's mainly for agents from home and abroad, and we're inviting a few of our influential customers. The objectives are mainly to introduce the products we're putting on the markets next season, to describe our services to customers and so on. W: And how many people are expected to attend this time? Last time, it was about 220. M: We're counting on 300 this time. No more than 350. W: Then we cannot use the seaside conference hall again. It has a capacity of only 250. M: That's the trouble. I was thinking of the President Convention Center, which has a larger capacity. Besides, I haven't worked out all those details yet. Then there are other things to arrange, like loudspeakers and visual aids. I'm going to make a checklist. W. Yes, I did that, too. I'll be glad to give you a hand. M: That would be great, Patricia. I'd very much like the chance of using some of your experience. May I invite you to lunch today? And then we could have a bit of planning session about it all afterwards. (39)
A.
He was at a news conference.
B.
He was on a business trip.
C.
He was traveling with the company's CEO.
D.
He was negotiating with a New York agent.
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【多选题】可以用贪心法求解的问题是
A.
普通背包问题
B.
0-1背包问题
C.
排序问题
D.
单源最短路径问题
E.
电路布线问题
【单选题】1 下列关于因特网上收 / 发电子邮件优点的描述中,错误的是。
A.
不受时间和地域的限制,只要能接入因特网,就能收发电子邮件
B.
方便、快速
C.
费用低廉
D.
收件人必须在原电子邮箱申请地接收电子邮件
【单选题】下列关于因特网上收/发电子邮件优点的描述中,错误的是________。
A.
不受时间和地域的限制,只要能接入因特网,就能收发电子邮件
B.
方便、快速
C.
费用低廉
D.
收件人必须在原电子邮箱申请地接收电子邮件
【单选题】下列对消化和吸收概念的叙述,哪一项是错误的
A.
消化是食物在消化道内被分解为小分子的过程
B.
消化可分为机械性消化和化学性消化两种
C.
小分子物质透过消化道粘膜进入血液和淋巴循环的过程称为吸收
D.
消化不良与吸收障碍通常是两个相关的病症
E.
消化主要在胃中完成,吸收主要在小肠完成
【判断题】直接依赖,又称共有性依赖,是最低层次的依赖,是指个体依赖于共同的资源或竞争性的目标。
A.
正确
B.
错误
【单选题】中性粒细胞占白细胞总数的百分比为
A.
20—40%
B.
50—70%
C.
3—8%
D.
0.5—3%
【单选题】二级资本债券具有一定的资本属性,其期限要求不得低于()年。(P234)
A.
1
B.
3
C.
5
D.
10
【单选题】下列对消化和吸收概念的叙述,哪一项是错误的
A.
消化是食物在消化道内被分解为小分子的过程
B.
小分子物质透过消化道粘膜进入血液和淋巴循环的过程称为吸收
C.
消化可分为机械性消化和化学性消化两种
D.
消化主要在胃中完成,吸收主要在小肠完成
【简答题】贪心法求解普通背包问题: N=4 C=20 W:{15,10,20,5} V:{15,20,10,20} 最优解(最大价值)是多少?装入背包的物品的比例分别是多少?(用整数或分数表示,五个数间用四个分号隔开)
【单选题】中性粒细胞占白细胞总数的百分比为
A.
20—40%
B.
50—70%
C.
3—8%
D.
0.5—3%
E.
0—1%
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