A:某化合物溶于水导电,则该化合物为电解质
B:NaCl溶液在电流作用下电离成Na+和Cl﹣
C:在氧化还原反应中,非金属单质一定是氧化剂
D:元素由化合态变成游离态时,它可能被氧化,也可能被还原
根据下列句子及所给汉语注释,在答题卡上标有题号的横线上,写出空缺处各单词的正确形式.每空只写一词.(1)Please____ (切)me a piece of cake.(2)He has always been a big____ (迷)of Michael Jackson.(3)Charlie tried to____ (使平静)the frightened children.(4)It wasn't very____ (有礼貌的)of you to serve yourself without asking.(5)Smoking is not____ (允许)in this restaurant.(6)Is the fire still____ (燃烧)?(7)The baby's first front____ 牙齿)are just coming through.(8)Phone me ____(今晚)when you get there.(9)____ (幸好),she was in when I called.(10)It was____ (明显的)that she was not going home.