【判断题】电压表接入电路时,不用考虑 “+”“-” 接线柱的接法
【单选题】She can be easily hurt not because we are unfriendly but she's too ______ !
【单选题】Her daughter began to play _______ piano when she was five. Now she's very good at it. [ ]
【单选题】50岁人群与60岁人群在机能指标上的差异是( )
【判断题】用于对平辈的祝愿语有即问某某近安,恭候某某刻安,敬请某某教安。()