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  3. October 24, 1929. Black Thursday. On this infamous day, the New York Stock Exchange was hit with chaos that quickly amounted to

October 24, 1929. Black Thursday. On this infamous day, the New York Stock Exchange was hit with chaos that quickly amounted to

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问题     October 24, 1929. Black Thursday. On this infamous day, the New York Stock Exchange was hit with chaos that quickly amounted to a 30% decline in the value of the Dow Jones Industrial Average, a benchmark index often used as a proxy in measuring the health of the American economy. This loss marked the end of the Roaring Twenties, a period of time in which many believed that the only direction for the stock market and the entire economy was up. Soon the U.S. entered into its longest and deepest economic slump, the Great Depression, and it took 25 years for the Dow Jones Industrial Average to return to its previous high.
    Few have personal memories of the 1929 crash, but the event still colors the play of cautious investors even today. In a matter of hours, thousands saw their fortunes sink,turning previous paper millionaires into destitute paupers. The illusion of easy money in the stock market for these people was shattered, replaced by a harsh reality that the fickle sentiments of the market determined the fate of their paper profits. As the value of shares in companies tumbled, so did consumer confidence, resulting in further irrational selling, causing prices to further plummet, creating a downward spiral of frenzied losses and panic.
    There were a few useful outcomes, however. Before the crash, security regulations were either lacking or rarely enforced, and stock brokers regularly hyped dubious firms. In 1934, after Congressional hearings on the problems, the Securities and Exchange Commission(SEC)was established to police Wall Street behavior and protect investors from fraud. Also, after 1929 many more economists and financial experts became interested in studying techniques for properly valuing stocks and giving advice on how to avoid financial panics. Their research has added to our knowledge about the economy and is at least partially responsible for the greater stability in many markets.
The long-term useful outcomes of the crash include______.
选项 A、increased consumer confidence in the marketplace
B、improved measures to protect investors from fraud
C、clearer knowledge of the future of the market
D、improvement in the management of global businesses
答案B
解析 属事实细节题。题目中的关键词useful outcomes出现在最后一段第一句：然而，这一次的经济危机也有其积极的影响，后面的句子对比了1929年前后的变化，尤其第三、四句给出了具体的积极影响：……建立起证券交易委员会来监督华尔街的商业运作行为，防止投资商上当受骗。……更多的经济学家和金融专家热衷于研究恰当估算股票价值的技巧、提供如何避免金融恐慌的建议。他们的研究工作增长了我们的经济知识，并且为很多股市更加稳定的局面做出了一定的贡献。由此可知，选项B正确。
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