【单选题】Whose room is this ? It's_______.
【单选题】一 Whose room is this? 一 It ’ s___.
【单选题】已知φθAg/Ag=0.80V,φθZn2/Zn=-0.76V。将两电对组成原电池,该原电池的标准电动势为:()
【单选题】—Whose room is this? —It's _______. [ ]
【单选题】—Whose room is this? Is it the________?
B.
twin’s;Tom’s and Tim’s