题型:问答题 简答题 — What's wrong with him? — The picture he came across _____ his memory of a sad story in his childhood. [ ]A. put off B. took off C. set off D. gave off 查看答案
题型:问答题 简答题 下面是关于目前流行的PC机主板的叙述: Ⅰ.主板上通常包含微处理器插座(或插槽)和芯片组 Ⅱ.主板上通常包含ROM BIOS和存储器(内存条)插座 Ⅲ.主板上通常包含PCI和AGP总线插槽 Ⅳ.主板上通常包含IDE连接器 其中正确的是( )。A.仅ⅠB.仅Ⅰ和ⅡC.仅Ⅰ、Ⅱ和ⅢD.Ⅰ、Ⅱ、Ⅲ和Ⅳ 查看答案