【单选题】I got in touch with Charles ________ I received his letter.
【单选题】— Have you got in touch with Tom? — Oh, sorry.I couldn't________his phone number at that time. [ ]
【简答题】If it ______ _______ _______(要不是)your mobile phone, I couldn’t have got in touch with her.
【单选题】下列不属于RISC特点的是 。
D.
所有指令都通过直接访问存储器实施操作,增加了指令的功能
【单选题】I got in touch with Charles ________ I received his letter.
【简答题】在茎的初生结构中,初生韧皮部的分化方式为_____,先分化的是_____韧皮部,后分化出来的是_____韧皮部,初生木质部的分化方式为_____。
【单选题】I got in touch with Charles ________ I received his letter.