2022-2022年英语周报高考第13期答案

參考范文about a week later, Pomilla and Andrew got to meet her son'sSavion comilla and Andrew arrived at the metro station at theappointed time, anxiously waiting for Case to come. When Casearrived with a big smile, they felt very happy and excited. Casehugged Andrew warm-heartedly and reached out his right hand, sayingto him. Would you like to take it again?"without hesitation theboy took it and held it firmly. After talking for some time, Pomillatook out the badge and gave it back to Case. Many passengers tookictures of the sceneTaylor Pomilla was moved and expressed her thanks to Caseagain She asked Case how he could calm andrew down at that timeCase told her that he had a daughter with autism and that he hadreceived special training on how to deal with autistic children. Hepromised to visit them often to help Andrew grow up happily. As hewas talking, he took out a police badge that he made by hiimself andgave it to Andrew, who was more than happy to accept it. Ever sincethen they have been friends

12.D【解析】闭合K1时形成原电池,放电过程MnO2电极为正极,Zn电极为负极,正极的电势高于负极,;A项正确;闭合K1时形成原电池,放电过程Zn电极的电极反应式为Zn-2eZn2 ,则电路中转移0.2mol电子,Zn电极质量减少6.5g,B项正确;闭合K2时形成电解池为原电池充电,阳极上ZnMn2O4失电子发生氧化反应,生成Zn2 和MnO2,C项正确;闭合K2时形成电解池,Zn2 通过阳离子交换膜从阳极室移向阴极室,即从左极室移向右极室,D项错误。

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