皮皮学，免费搜题
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搜题
【单选题】
下列属于国际标准书号ISBN的是：A.
978-7-80210-111-1
B.
1001-1245
C.
1585-07-5
D.
GB/T 23274.3-2009
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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