【判断题】俄国18世纪的两次重大改革中有一次是彼得一世的西化改革。()
【单选题】下面是有关DRAM和SRAM存储器芯片的叙述: ① SRAM比DRAM存储电路简单 ② SRAM比DRAM成本高 ③ SRAM比DRAM速度快 ④ SRAM需要刷新,DRAM不需要刷新
【多选题】下列关于SRAM的叙述,正确的是
B.
SRAM是一种易失性存储器,断电则丢失存储信息
C.
SRAM需要刷新操作,不定时刷新,数据会丢失
【简答题】When difficult people express themselves orally, they generally want at least two things: they’ve been heard and they’ve been understood. As a good communicator should be a good listener, five steps a...
【简答题】There are five steps to write a good paragraph: brainstorming, ______________, writing the first draft, ___________, and ___________.
【简答题】根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Five steps to take if your child is being bullied 小题1: The worst thing you can do is ignore it. Too often parents feel children and s need to “work things...