【多选题】办公自动化设备由硬件和软件两大部分组成,以下属于硬件的是( )。
【单选题】当三相异步电动机的转差率 s >1时,电动机的工作状态是
【单选题】He was so excited and insisted that what he had done completely______ their demand(要求).
【单选题】—Nice to meet you. —______ [ ]
【单选题】—What is Antonio like? —Well, he is pretty ___________. He often gets nervous when he has to meet new people.
【单选题】经测定,某作物株高性状 VA=4 , VD=2 , VI=1 , VE=3 ,则该作物株高的广义遗传率为
【简答题】Where did he meet his friend Peters. He met Peter ______.
【单选题】经测定,某作物株高性状 VG=7 , VE=3 ,则该作物株高的广义遗传率为