A:锌片逐渐溶解
B:烧杯中溶液逐渐呈蓝色
C:电子由铜片通过导线流向锌片
D:该装置能将电能转变为化学能
问答句配对。
① Is it an apple? ____ A. I'm Miss Fang.
② You are Miss Fang. ____ B. You are Miss Fang.
③ Who are you? ____ C. Yes, I'm Miss Fang.
④ Who am I?____ D. No, it's an orange.