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【单选题】
滴定管的读数误差为±0.01ml时,如果滴定用去标准溶液25.00ml,其相对误差是A.
2.0E-4
B.
4.0E-4
C.
8.0E-4
D.
0.001
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He is a 27-year-old millionaire.
B.
He’s paid off his loans when graduating from New York University.
C.
His first company specialized in short promotional videos .
D.
His experience of starting a business is helpful to young people today.
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D.
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