问答题 Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings, the passage will be read sentence by sentence, or phrase by phrase, with intervals of 15 seconds. The last reading will be done at normal speed again and during this time you should check your work. You will then be given 2 minutes to check through your work once more.

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【答案解析】[听力原文]

Marriage

Marriage is still a popular {{U}}institution{{/U}} in the United States, but divorce is becoming almost as {{U}}"popular"{{/U}}. {{U}}Nevertheless{{/U}}, most American people {{U}}get married at the present time.{{/U}} Fifty percent of American marriages {{U}}end in divorce.{{/U}} However, four out of five {{U}}divorced people{{/U}} do not stay single. They get married a second time to new partners. Sociologists tell us {{U}}that{{/U}} in the future, most American people will marry three or four times in one lifetime.
Alvin Toffler, an American sociologist, calls this new social form {{U}}serial{{/U}} marriages. In his new book Fortune Shock. Toffler gives many reasons for this change in American marriage. In modern society, {{U}}people's{{/U}} lives don't stay the same for very long. So, the person who was a good husband or wife ten years ago is sometimes {{U}}not as good{{/U}} ten years later. After some years of marriage, a husband and wife can feel that their lives have become very different, and they don't share the same interest any more. For this reason, Toffler says, people in the {{U}}twenty-first{{/U}} century will not plan to marry only one person for an entire lifetime.