A market is commonly thought of as a place where commodities are bought and sold. Thus fruit and vegetables are sold wholesale a

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问题     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【C1】______commodities, in the usual【C2】______. There are【C3】______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【C4】______. Buyers and sellers may be【C5】______over the whole world and instead of actually meeting together in a market-place they may deal with one another【C6】______telephone, telegram, cable or letter.【C7】______dealings are【C8】______to a particular place, the dealers may consist wholly or in part of agents【C9】______instructions from clients far away. Thus agents buy meat at Smithfield【C10】______retail butchers all over England; and【C11】______on the London Stock Exchange buy and sell【C12】______on instructions from clients all over the world. We must therefore define a market as any area over which buyers and sellers are in such close touch with one another, either directly or through【C13】______,【C14】______the prices【C15】______in one part of the market affect the prices paid in other parts.
    Modern means of communication are so rapid that a buyer can discover【C16】______by asking, and can accept it if he wishes,【C17】______he may be thousands of miles away. Thus the market for anything is,【C18】______, the whole world. But in fact things have, normally, only a local or national market.
    This may be because nearly the whole demand is【C19】______in one locality. These special local demands,【C20】______, are of quite minor importance. The main reason why many things have not a world market is that they are costly or difficult to transport.
【C19】

选项 A、assembled
B、focused
C、collected
D、concentrated

答案D

解析 词汇题。词义辨析题。各选项都有“集中”的含义。此句含义应为“所有需求集中于一个地区”。assemble“装配,召集”,指将各部件或零散的人或物集合在一起,成为一个整体,如:assemble the jury召集陪审团/assemble a machine装配机器。focus“集中”,指集中注意力,把精力、时间等集中于焦点问题,如:A campaign that focused on economic issues was soon launched.很快掀起了一次集中解决经济问题的运动。collect“收集”,指采集到一起使成为一组或一个团体,或作为一个爱好而聚积,如:collect taxes收税/collect stamps集邮。concentrate“集中,全神贯注”,指集中或汇聚于同一个中心,其意正符合本句“集中于某地”的含义,且其后的介词搭配也正是in.如:Authority was concentrated in the president.政权集于总统一身。因此,选项D为正确答案。
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