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【单选题】
4-2、含有相同浓度Cu 2 + 的pH = 10.0的氨性缓冲溶液A、B两份。A溶液中含有0.3 mol / L游离NH 3 ;B溶液中含有0.1 mol / L游离NH 3 。指出下列叙述中错误的结论 ( )A.
B.
C.
D.
D
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【简答题】The articulatory apparatus of a human being are contained in three important cavities: the pharyngeal cavity, the _______ cavity and the nasal cavity.
【简答题】The articulatory apparatus of a human being are contained in three important cavities: the pharyngeal cavity, the o____cavity and the nasal cavity.
【简答题】简述牛黄的性状鉴别要点。
【单选题】Two students did not__ for class today.
A.
show up
B.
show off
C.
show in
D.
show out
【简答题】The articulatory apparatus of a human being are contained in three important cavities: the pharyngeal cavity, the o_______ cavity and the nasal cavity.
【简答题】收入调整项目有： A视同销售收入 B投资收益 C公允价值变动净损益 D不征税收
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