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【单选题】
2002年8月，国际数学家大会在北京召开，如图是大会会标的模型，它是由4个相同的直角三角形和中间的小正方形拼成的一个大正方形．如果直角三角形的两条直角边的长分别是3厘米和2厘米，那么大正方形的面积是（ ）A.
12平方厘米
B.
13平方厘米
C.
16平方厘米
D.
25平方厘米
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【单选题】The first people the Britons had contact with were ______ .
A.
the Germans
B.
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D.
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