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【简答题】
连续的雾霾天气说明我国空气污染程度的加剧，下列天气符号表示雾的是
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【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
A.
①和②
B.
②和③
C.
③和④
D.
①和④
【判断题】The first five steps in the accounting cycle include analyzing transactions, journalizing, posting, preparing an unadjusted trial balance, and recording adjusting entries.
A.
正确
B.
错误
【多选题】下列关于SRAM的叙述，正确的是
A.
SRAM是一种随机存储器
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
D.
SRAM速度快，通常用来制作高速缓存
E.
SRAM芯片与CPU连接时要注意时序匹配
【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】SRAM是一种可读可写的( )存储器。
【简答题】Five steps to take if your child is being bullied 51 The worst thing you can do is ignore it. Too often parents feel children and s need to “work things out” on their own. If the problem is ignore...
【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...
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