题目

某原电池总反应为：Cu+2Fe3+==Cu2++2Fe2+ 下列能实现该反应的原电池是 答案：B— Have you seen the film Under the Hawthorn Tree ? — Of course, it was in our village _________ it was made. A. where　　　　　 B. that　　　　 C. when　　　 D. which