【简答题】内存一般采用半导体存储单元,包括 、 。
【简答题】情景交际 A. What would you like to eat? B. Is that all?C. How much are they? D. How many kilos do you want? E. Can I help you? F. I want two bottles of orange juice, too. G. You're welcome. A: 1 B: Yes, p...
【简答题】账户是根据 开设的,具有一定的 ,用来分类、系统、连续地记录各项经济业务所引起的 增减变动过程和结果的 。
【单选题】听力原文:M: I would like to subscribe to the Daily News. How much is a yearly subscription? W: It' s $72 a year including Sunday' s paper, and it' s much cheaper without it. Plus, if you have a discount c...
A.
He wants to read the newspaper now.
B.
He wants to buy something to eat at the convenience store.
C.
He wants to subscribe to the newspaper.
D.
He wants to buy the Daily News at the newsstand.
【单选题】在文档中插入了一个5行4列的表格,将该表格从第3行开始拆分为两个表格的最优操作方法是( )。
A.
将光标放在第3行第1个单元格中,按Ctrl+Shift+回车键
B.
将光标放在第3行第1个单元格中,按Ctrl+回车键
C.
将光标放在第3行第1个单元格中,按Shift+回车键
D.
将光标放在第3行最后1个单元格之外,按回车键
【单选题】一台绕线式三相异步电动机拖动起重机的主钩,若重物提升到一定高度以后,需要停在空中,在不使用抱闸装置使卷筒停止的情况下,可采用的办法是( ) A、 切断电动机电源; B 、在电动机转子回路串入适当的三相对称电阻; C 、对调电动机定子任意两出现端; D 、降低电动机电源电压。