A market is commonly thought of as a place where commodities are bought and sold. Thus fruit and vegetables are sold wholesale at Covent Garden Market and meat is sold wholesale at Smithfield Market. But there are markets for things (1) commodities, in the usual (2) There are (3) estate markets, foreign exchange markets, labour markets, short-term capital markets, and so on; there may be a market for anything that has a price. And there may be no particular place to which dealings are (4) . Buyers and sellers may be (5) over the whole world and instead of actually meeting together in a market-place they may deal with one another (6) telephone, telegram, cable or letter. (7) dealings are (8) to a particular place, the dealers may consist wholly or in part of agents (9) instructions from clients far away. Thus agents buy meat at Smithfield (10) retail butchers all over England; and (11) A. security
B. securities
C. safety
D. safeties
| On Monday the United Nations Security
Council, for the first time in its history, will convene to discuss actions on a
health issue. The health issue in question is the spread of the HIV virus. Since
AIDS, the disease to which the virus leads, is killing far more people than war,
it richly deserves the Security Council’s attention. The question is what to do
about it. The first answer is to resist the temptation to place excessive hope in the wonder drugs that have cut mortality from AIDS in rich countries. These drugs cost around $ 20,000 per person per year. Many of the poor countries that bear the brunt of AIDS have annual health budgets of less than $ 20 per person. There have been welcome efforts to reduce the cost of treatment. Last year the pharmaceutical industry allowed firms in South Africa to distribute cheape A. science is not able to solve the problem in near future. B. the mortality from AIDS is more than that from war. C. more money needs to be invested in developing drugs against AIDS. D. anti-HIV drugs need to be administered with a precision that rudimentary health infrastructures cannot aspire to. [单项选择]电力机车齿轮传动的作用是（）。
A. 增大转速，降低转距 B. 增大转速，增大转距 C. 降低转速，降低转距 D. 降低转速，增大转距 [简答题]如果在进行试验时将单相调压器的一个输入端接在交流220Ｖ电源的火线上，另一端（N端）误接到变电站直流系统的负极上，请问会对哪些类型的保护装置造成影响？请说明如何造成影响。
[简答题]为什么奶牛喜欢卧在地下而很少走动？
[单选题]胸背彻痛剧烈，主要是由于（ ）。
A.痰浊阻肺 B.痰热蕴肺 C.心血不足 D.心脉闭塞 [多项选择]学习型组织的修炼技能包括（）。
A. 系统思考 B. 超越自我 C. 建立共同愿望 D. 个人学习 [多选题]《上海申通地铁集团有限公司2011年—2015年企业文化建设纲要》中指出,上海地铁企业文化的经营理念是( )。
A.以人为本 B.精细管理 C.以诚取信 D.和谐共赢 E.经济利益最大化 [判断题]测量时由于环境温度造成的误差是系统误差。（ ）
A.正确 B.错误 [单项选择]拉斯科山洞位于下面哪一个国家？（）
A. 德国 B. 法国 C. 美国 D. 英国 我来回答: 提交
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