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
【S6】
选项
答案K
解析 cause指“(造成事故发生的)原因”符合语境；倒闭归咎于多种原因。
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大学英语四级

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