【正确答案】研究人员发现女性和男性对待痛苦不同。女性倾向于关注痛苦的情感方面，而男性往往更在意身体感受。

【答案解析】[听力原文] Researchers have found that women and men deal with pains differently. Women tend to focus on the emotional aspects of pain, while men tend to concentrate on the physical sensations.

【正确答案】在美国年纪变老已经和以前不同了，人们不仅活得更长，也接受了更好的教育，残疾的可能性也更小，而且也不大可能生活在贫困之中。

【答案解析】[听力原文] Growing old in America isn't what it used to be. People are not only living longer, they are better educated, less likely to become disabled and less likely to live in poverty.

【正确答案】预计未来25年，美国65岁及65岁以上的人口将翻一番。到2030年，每5位美国人中就会有1位是65岁或65岁以上。

【答案解析】[听力原文] The United States population aged 65 and over is expected to double in size within the next 25 years. By 2030, almost one out of every five Americans will be 65 years or older.

【正确答案】美国和日本的研究人员得出结论：饮食中富含水果和蔬菜汁可大大降低老年痴呆症的风险。

【答案解析】[听力原文] Researchers in the U.S. and Japan have concluded that a diet rich in fruit and vegetable juice may substantially lower the risk of Alzheimer's disease.

【正确答案】根据今天美国劳工部劳工统计局的报告，出口价格指数连续第四个月保持增长，2月份上升了0.7%。

【答案解析】[听力原文] The price index for exports increased for the fourth consecutive month, advancing 0.7 percent in February, the Bureau of Labor Statistics of the U.S. Department of Labor reported today.

【正确答案】2月份出口价格上升了0.7%，这是2006年6月以来增幅最大的一次，农产品价格和非农产品价格都推动了此次上涨。

【答案解析】[听力原文] Export prices rose 0.7 percent in February, the largest increase since June 2006, and both agricultural prices and nonagricultural prices contributed to the advance.

【正确答案】我对我们国家的未来持乐观态度。我们是一个创业和勤劳的民族。虽然面临着巨大的挑战，我们也拥有无限的机遇。

【答案解析】[听力原文] I am optimistic about the future of our country: We are an entrepreneurial and hardworking nation. And while we face great challenges, we enjoy great opportunities.

【正确答案】我们进入2007年时，经济基本面各方面都很好。2003年8月以来新增就业岗位700万个，失业率低，工资在增长，通货膨胀和利率都低。

【答案解析】[听力原文] As we enter 2007, the economic fundamentals are strong, more than seven million jobs have been created since August 2003; unemployment is low; paychecks are rising; and inflation and interest rates are low.

【正确答案】55岁或55岁以上的工人致命工伤事故上升至1499起——是这一群体中新的高纪录数字——虽然年纪较大的工人死亡事故率较低。

【答案解析】[听力原文] Fatal work injuries among workers 55 years of age or older rose to 1,499—a new high for this population—though the fatality rate for older workers was lower.

【正确答案】已婚人士比未婚人士花更多时间做家务——每天2.1小时对1.4小时。无论结婚与否，女性做家务的时间比男性多。

【答案解析】[听力原文] Married persons spent more time doing household activities than unmarried persons—2.1 versus 1.4 hours per day—and women, regardless of marital status, spent more time doing these activities than men.