2. 外语
  3. Securities and commodity exchanges are trading posts where people meet who wish to buy or sell. The【S1】______themselves do no tr

Securities and commodity exchanges are trading posts where people meet who wish to buy or sell. The【S1】______themselves do no tr

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问题     Securities and commodity exchanges are trading posts where people meet who wish to buy or sell. The【S1】______themselves do no trading; they merely【S2】______a place where prospective buyers and sellers can meet and【S3】______their business.
    The securities exchanges are meeting p. laces where stocks and bonds are【S4】______. They help serve the【S5】______life of the country. But when their operations get out of hand, riley may become very dangerous. In 1929, the securities exchanges, or stock market, contributed to a crash a sudden, sharp decline in the value of securities. Many people lost fortunes; many corporations were bankrupted; many workers lost their jobs. The crash of 1929 has been attributed to many【S6】______, among which were wild and【S7】______speculation by many people and dishonest【S8】______on the part of some businessmen and of some members of the exchangers.
    Today, however, investing through securities exchanges and trading on commodity exchanges has been made safer by regulations set up by the exchanges themselves and by【S9】______of the United States government. In 1992, the government instituted the Commodity Exchange Commission which operated through the Department of Agriculture; and in 1934, the Securities Exchange Commission, to【S10】______investors and the public against dishonest practices on the exchanges.

A—trade            B—conduct             C—protect            D—economic
E—exchanges        F—alert               G—respect            H—defend
I—provide          J—regulations         K—causes             L—practice
M—depression       N—safer               O—unwise
【S7】
选项
答案O
解析 unwise(不明智的)符合语境逻辑，即造成1929年证券股市崩溃的原因之一是许多人不切实际的、不明智的推测以及一些商家及交易所的不轨行为。
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大学英语四级

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