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最佳答案：the 21st century序数词,你想想21世纪是第二十一个世纪并不是二十一个世纪
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最佳答案：1.给你2.在国际美食节,我们有一些好食物.3.他们这样做多大4.你为什么不去购物?
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最佳答案：Abstract：The Cambrian Explosion phenomenon left Darwin a great puzzle.People con
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最佳答案：Charles Dickens: was born in Portsmouth near the age of 12 when he was forced to
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最佳答案：On the mountain top stands a tower that can date back to the 13th century.
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最佳答案：It makes our beautiful homeland get hurt again and again.In the 80's last centur
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最佳答案：At the beginning of twentieth Century,when everyone to abandon the particle theo