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英语四级阅读理解模拟试题及答案详解5免费下载，
leaves us no leisure to enjoy ourselves, and that it strains our nerves when we try to get things done perfectly. In building bridges, American engineers calculate so finely and exactly as to make the two ends come together within one-tenth of an inch. But when two Chinese begin to dig a tunnel f
英语四级阅读理解模拟试题及答案详解5
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