A:电解熔融氢氧化钠制钠,阳极发生的电极反应为:2OH--2e-=H2↑+O2↑
B:若戴维法与吕萨克法制得等量的钠,则两反应中转移的电子总数也相同
C:吕萨克法制钠原理是利用铁的还原性比钠强
D:目前工业上常用电解熔融氯化钠法制钠(如图),电解槽中石墨为阳极,铁为阴极
A.How much are they?
B.Can I help you?
C. OK. We'll take them
D. What size ?
E. Yes. But I like the blue pair.
A:____
B: Yes.A pair of shoes for my son.
B: Size6.
A: How about this pair?
B: Are they nice,John?
C:____
B: Are the blue ones all right?
C: Yes.they are.
B:____
A: They are 40 yuan.
下列句子没有语病的一项是( )