

9月8日
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历史类 第九篇 发明史
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But too often, it seems to me we apply the term"invention"(only to) big important items like the car or the telephone. After all, we can hardly imagine surviving without them. We don't stop (to think) that there are literally hundreds of inventions (that) make our life a little easier, a little more convenient. Let's take something as common as the (paper) bag on my desk here. Yes, that's right. I've got my lunch in it. Well, I never open my lunch bag without thinking of (Charles Stiwell) who in 1883 invented the first machine to produce bags like this. You see, before Stilwell, bags were pasted together by hand, and they didn't have (flat) bottoms so they couldn't stand on their own and you couldn't (fold 折叠) them very well either. Stilwell changed all that (with) what is really a (marvelous 不可思议的) piece of engineering. Thinking about it, look (at) how efficiently this bag is designed. I can open it with a (flick 轻打) of my wrest, but I can also fold it back flat as a piece of paper, and I can store a hundred of (them under) my desk. What's more, it's strong, see, I can even put this heavy dictionary in it and it won't break, but it's cheap to produce. Really it's a (masterpiece 杰作) of practical engineering. Grocery stores buy over a billion of them every year. Well, nobody remembers Stilwell nowadays, but his little invention has cartainly proved useful. If any of you could produce anything (help) as useful, you have really done something.
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0 g n) Q5 g9 w4 C8 \' m, O- I1. marvelous 奇异的,不可思议的,奇怪的;〔口语〕妙极的;了不起的
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3. practical engineering 实际工程
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这一篇可惜的是还有一些介词和连词没听出来。