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【单选题】
已知 ,将反应 2Fe 2+ (1.0 mol·L -1 ) + Cl 2 (101.3 KPa) = 2Fe 3+ (1.0 mol·L -1 ) + 2Cl - (1.0 mol·L -1 ) 设计电池,则该原电池电动势为 ( )A.
0.589 V
B.
0.630V
C.
0.648V
D.
0.571 V
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举一反三
【单选题】Ben later went to the 12 of his class. When he finished high school, he went to Yale University and at last became one of the best doctors in the United States. After Ben grew up, he 13 something abou...
A.
read
B.
work
C.
teach
D.
show
【单选题】Ben later went to the 12 of his class. When he finished high school, he went to Yale University and at last became one of the best doctors in the United States. After Ben grew up, he 13 something abou...
A.
learned
B.
remembered
C.
understood
D.
guessed
【简答题】按中文意思填空,补全句子。 He went to the office ____ _____ after class. ( 再一次)
【简答题】短语翻译: 兼职工作________(3 words)
【简答题】Six years ago , Michael Britton , a high school student from Ottawa , told his parents he wanted to learn Chinese in his free time . They were surprised and said , “It will be difficult for you becaus...
【判断题】核心利润 指企业开展经营活动所赚取的经营成果。核心利润 = 营业收入 - 营业成本 - 税金及附加 - 销售费用 - 管理费用 - 财务费用-资产减值损失。
A.
正确
B.
错误
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