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单选题 3
学科：大学英语3（2023级）
时间：2024-05-15 12:39:30
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题目1单选题
1A. a. By 2050 almost half a million people in the U.S. alone will be 120 years old or olderB. b. By 2050 almost a million people in the U.S. alone will be over 100 years oldC. c. By 2050 almost half a million people in the U.S. alone will be over 100 years oldD. d. By 2050 almost half a million people in the world will be over 100 years old
题目2单选题
2A. a. Because people will live most of their lives as an older personB. b. Because many older people have health problemsC. c. Because if more people are going to live longer, we may not have enough natural resourcesD. d. All of the above
题目3单选题
3A. a. We'll have more time in our lives to do thingsB. b. Scientists may be able to cure diseases like cancerC. c. Scientists may be able to slow the aging processD. d. It's good to have over 7 billion people on Earth
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