题目内容：
8[阅读题,10分] It seems like just yesterday. In 2005 the global economy was booming. In the United States, for example, business profits were soaring, jobs were plentiful, and home ownership was at any all-time high. The stock market reached unprecedented highs, pension plans were burgeoning, and new business opportunities were plentiful. Fast-forward just four short years to 2009, and things looked a lot different. Business profits were down, hundreds of thousands of jobs were lost and unemployment claims soared, and mortgage foreclosures were the order of the day. The stock market plummeted, pension plans went broke, and it seemed like no one wanted to start a new business. What happened in this short period of time? Economists call it the business cycle. Historically, our business has followed long periods of prosperity, with periods of cutbacks and retreats. And that’s where we were in 2009. During extended periods of prosperity, people sometimes think the good times will last forever. They continue to bid up stock prices, for instance, far beyond rational value. They also take on too much debt, save too little money, and spend beyond their means. But things have a way of correcting themselves, and that’s what happened beginning in 2008. So what does the future hold? Well, while no one has a real crystal ball, most experts agree that the bad times will run their course, and the
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