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1. Of the many machines invented in the late nineteenth century, none had a great impact on the United States economy than the automobile.
请问：“great”该如何修改？
2.A number of the Pacific Islands are volcanoes that have pushed up from the ocean floor, others are the tops sunken mountain rangers.
请问：tops sunken 该如何修改？
3. It has been reported that during any twenty-four hour period, a minimal of three hundred North American women start their own business.
请问：a minimal of 该如何修改？
4.After the Boston Tea Party in 1773, coffee houses in the North American colonies became centers fro gossip, gamble and political criticism.
请问：gamble该如何修改？ | 
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发表于 2005-1-5 15:18:00
