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如图所示,在△ABC中,AB=8,AC=6,AD是△ABC的中线,则△ABD与△ADC的周长之差为( )
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Going to a British high school for one year was a very enjoyable and exciting _______ (经历) for one.
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下面四个几何体中,左视图是四边形的几何体共有( ) A.1个 B.2个 C.3个 D.4个
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“Where is the university(大学)?”This is a question that many visitors to Cambridge(剑桥大学) ask.
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