【简答题】If you want to download what you have done with the magic pen,__________.
【简答题】If you want to download what you have done with the magic pen,__________.
【单选题】__________you lose the paper document,sign in www. sohunt. com,__________you might download all you need.
【单选题】Be careful when you surf the Internet.If you download a virus into your computer ______, you will not open your files.
【简答题】一个工作簿最多能有_______张工作表?
【单选题】If you download a file, you it on your computer’s hard drive.
【单选题】下列关于工作簿的说法正确的是
B.
一个工作簿可以含有多张工作表,且每张工作表都有一个工作表标签。
C.
一个工作簿内最多有65536*26个单元格。
D.
对于已经打开的多个工作簿,只能一个一个的关闭。
【单选题】防火墙的安全性角度,最好的防火墙结构类型是( )