【答案解析】毫无疑问，学生应该了解计算机是怎样工作的，因为人们应对自己所用的东西有一些基本的概念。
[解析]
There"s no denying that students should learn something about how computers work, for people should have some basic idea of the things they use.
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【正确答案】
【答案解析】如今，人们崇尚更为平衡的饮食。在一些国家，粮食短缺已经不再是一个必须立即引起重视的问题。人们吃得更少，更多地开始关注食物的营养和健康。
[解析]
Today, people believe in a more balanced diet. In many countries where food shortage is no longer a problem for immediate attention, people start to eat less and attach importance to the nutrition and wholesomeness of the food.
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【答案解析】不管我们穿得多好，家里布置得多漂亮，如果缺乏好的教养，我们就不能成为真正优雅的人，因为优雅总是与礼貌直接相关。
[解析]
The fact is no matter how nicely we dress, or how beautifully we decorate our homes, we can"t be truly elegant without good manners because elegance and manners always go hand in hand.
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【答案解析】奥运史上，许多充满戏剧性的高潮都发生在女子4×100米接力赛中。接力赛是田径赛中最激 动人心的比赛，也是速度和技术的结合。
[解析]
Some of the most dramatic climaxes in the history of Olympic Games have taken place in the women"s 4×100 relay, the most exciting race in the track and field competition, a combination of speed and technique.
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【正确答案】
【答案解析】我希望借此机会代表我所有的同事向您表示由衷的感谢，你们的盛情款待使我们度过了轻松愉快而又难忘的6天。
[解析]
I wish to take this opportunity to thank you on behalf of all my colleagues for your warm reception and incomparable hospitality. The past 6 days have been truly pleasant and enjoyable and most memorable.