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1. What is polite in China may not be polite in the United States.
2. You wished to see me because you are a writer, young and romantic.
3. It could have saved me some trouble had I known about it.
4. New York City is the largest city in the United States and one of the largest in the
world.
5. Leaders from all over the world have been working together at the United Nations
since 1952

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出自：武汉科技大学大学英语（一）

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