若两数之和为负数，则这两个数一定是（ ） A．同为正数 B．同为负数 C．一正一

按照制度学说的理解，美国的这次金融危机是制度安排不当造成的。若是我们换个角度，从人性上去看，制度安排不当，还是由于人性的“贪婪”带来的。一方面，因为制度的安排者，也是人，他们受自己“贪婪”之性的驱动来构建制度，为自己和社会创造出一个无限的“贪婪”制度空间来；另一方面，他们安排制度所依据的，也是社会他人在人性方面表现出来的“贪婪”属性，他们认定人们会高度地信仰和接受这样的制度安排。

本段文字主要表明（）。

A．多角度考虑有助于理解美国这次金融危机产生的原因

B．人性“贪婪”导致制度安排不当

C．从某种角度看，“人性贪婪”导致了美国的这次金融危机

D．制度是人们实现贪欲的手段

常用于阿朴吗啡中毒的是（）

A．1：5000～1：2000高锰酸钾溶液

B．药用炭2份，鞣酸、氧化镁各1份的混合物5g加温水500ml

C．3%过氧化氢溶液10ml，加入100ml水中

D．1%～2%氯化钠溶液或生理盐水

E．3%～5%鞣酸溶液

This was one of my experiences (1) . When I was in my 30s, I was working for a large international company which had its head office in London. I was working in the (2) department.

The company had a training centre which was just outside London. Different courses were held there throughout (3) and I (4) go on one training course a year. These usually started (5) a Sunday evening and lasted six days.

Once I was (6) a week’s training course with about forty (7) sales people. I was in the bar on the Friday evening and suddenly a woman who was (8) behind the bar asked mea curious question. "I hope you don’t (9) my asking," she said, "but I’ve been (10) about it all week. Have you got a sister (11) Mary" The woman’s name was June. And she used to do various jobs at the training centre. She worked in the office, she organized all the food and drink for the centre and she worked in the bar at lunchtime and in the evening.

My answer (12) June’s question was "Yes", and June said, "I thought (13) . I met her last September when she was organizing a course here. " At that time, my sister was working for (14) company but in a different part of the country. That was (15) she came to be at the training centre.

(16) surprised me was how June guessed we were brother and sister. Three things made it even more (17) . First, she had met my sister six months before she met me. Second, they have about sixty new people every week at the training centre. So about one thousand five hundred people had (18) the centre in those six months. And (19) , my sister is married, so she doesn’t have the same family name as me.

We’re not (20) , but I guess we must look quite like each other.

12().

A．of

B．about

C．to

D．for

客观指标反映客观社会现象，适用于衡量项目带来的( )变化。

A．内容
B．形式
C．结构
D．制度

关于法人的民事权利能力，说法正确的有（）。

A.旅行社一经成立就具有民事权利能力

B.旅行社宣告破产，其民事权利能力依然存在，但应停止一切活动

C.旅行社被撤销，其民事权利能力依然存在，可从事有关活动

D.旅行社领取经营许可证后即可营业

E.旅行社办理完核准登记手续并领取营业执照后即可开展业务活动