7. Y。根据题干中的信息词The excess body fat及inflammation定位到第三个小标题下的倒数第二句话可知题干表述与原文相符。
8. an increased risk of dementia。根据题干中的信息词middle age定位到第四个小标题下的第一句话可得答案。
9. affect lifestyle changes。根据题干中的信息词predictive test for dementia和reduce their risk of contracting dementia定位到第四个小标题下的最后两句话可得答案。
10. drain economies。根据题干中的信息词world-wide upsurge in obesity定位到最后一个小标题下的第一句话可得答案。
Passage 5
Preparing for Computer Disasters
Summary: When home office computers go down, many small businesses grind to a halt. Fortunately, taking steps to recover from disasters and minimize their effects is quite straightforward.
Fires, power surges, and floods, theyre all facts of life. We read about them in the morning paper and see them on the evening news. We sympathize with the victims and commiserate over their bad luck. We also shake our heads at the digital consequencesmelted computers, system failures, destroyed data. Yet, somehow, many of us continue to live by that old mantra of denial: It wont happen to me. Well, the truth is, at some point youll probably have to deal with at least one disaster. Thats just how it goes, and in most aspects of our lives we do something about it. We buy insurance. We stow away provisions. We even make disaster plans and run drills. But for some reason, computer disaster recovery is a blind spot for many of us. It shouldnt be. Home computers contain some of our most important information, both business and personal, and making certain our data survives a disaster should be a priority. Moreover, even the smallest disaster can be a serious disruption. Personal computers have become an integral part of the smooth-running household. We use them to communicate, shop, and do homework, and theyre even more vital to home office users. When home office computers go down, many small businesses grind to a halt. Fortunately, taking steps to recover from disasters and minimize their effects is quite straightforward. With a good offsite storage plan and the right tools, you can bounce back quickly and easily from minor computer disasters. And, should a major calamity strike, you can rest assured your data is safe.
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