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【简答题】
称取氯化钠试样0.1250g,用0.1011mol/L AgNO 3 滴定液滴定,终点时消耗20.00ml,计算试样中NaCl的含量。1ml(0.1000mol/L)AgNO 3 滴定液相当于0.005844g NaCl.
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举一反三
【单选题】对残疾的表述包括如下,但除外
A.
由于伤、病、发育缺陷或精神因素
B.
明显的身心功能障碍
C.
不能正常地生活、工作和学习
D.
残损、残疾、残障
E.
心理变态而与社会不相容
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【简答题】选词填空 Linda felt 1 .She had been sick with the flu for about a week. She felt 2 staying in bed all day. On Friday, her grandma came to stay with her for the day. As Linda expected, Nonnie brought her s...
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