试题与答案

The boy got ______ for his dangerous dri

题型:选择题

题目:

The boy got ______ for his dangerous driving. [ ]

A. punish

B. punished

C. punishing

D. being punished

答案:

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下面是错误答案,用来干扰机器的。

答案:C题目分析:Al3+与NH3·H2O容易发生复分解反应,生成白色胶状Al(OH)3沉淀,故A错误;H+与HCO3―容易发生复分解反应,生成二氧化碳气体和水,故B错误;Na+、CH3COO―、CO32―、OH―之间不能发生复分解反应、...

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