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【判断题】
中国有56个少数民族。A.
正确
B.
错误
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皮皮学刷刷变学霸
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A.
He's not sure how to solve the math problem.
B.
He doesn't know where to put the calculator.
C.
He lost the calculator at work.
D.
He thinks it's not the woman's fault.
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