问答题

老龄化为什么会成为问题根据研究，世界上的人口老龄化是历史上未曾出现的社会现象。从根本上讲，这种人口转变是医疗进步、教育水平明显提高和经济发展的直接成就。近年来，健康老龄化的观念日益受到国际社会的关注。

【参考答案】

[参考译文]
Why does aging become a problem According to the......

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One of the really nice features about e-mails is that they allow us to send files as attachments to other users. This is a very good thing. If I’m working with a colleague and want to send him an image file or a word file, I can do so very quickly and easily, without having to fax it to him. This saves on long distance bills and printing costs. It also, however, presents a problem, because attachments can take a long time to download. For those of us who pay by the hour for Internet service, unwanted attachments can be quite costly and time-consuming. I once had someone send me fifteen large image files, and it tied up my computer for 20 minutes just to download one of them. So, in short, if you’re going to send an attachment, get permission first.

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If a housewife went on strike, which one of the following statements is NOT true（）

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D．The man of the house wouldn’t be able to take over.