【单选题】【消耗次数：1】
以下描述错误的是（ ）
①
压缩文件主要是为了保密和安全
②
压缩文件可以节约存储空间
③
压缩文件可以实现文件打包归档
④
Winrar可以解压缩Windows10压缩的文件
参考答案：
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相关题目
【单选题】
关于文件的压缩，以下说法正确的是_________。
①
文本文件与图形图像都可以采用有损压缩。
②
文本文件与图形图像都不可以采用有损压缩
③
文本文件可以采用有损压缩，图形图像不可以
④
图形图像可以采用有损压缩，文本文件不可以。
【多选题】
压缩工具和解压缩工具有很多种，目前应用最为广泛的是（ ）系列。
①
SiSoft Sandra 2005
②
WinBench 2000
③
WinZip
④
WinRAR
随机题目
【单选题】
27. The police are anxious to interview everyone ____ last night’s incident.
①
concerning
②
B. concerned about
③
concerned in
④
concerned for
【单选题】
John was going to ____ Mary by telling his friends how much weight she had gained.
①
essential
②
embarrass
③
elementary
④
consider
【单选题】
-I hope you don’t mind my pointing out your mistakes.- ____.
①
Of course
②
You’re welcome
③
Certainly not
④
Yes, I do
【单选题】
I’d____ it if you could offer me some advice on the task. ?
①
appreciate ?
②
afford ?
③
ask ?
④
admit ?
【单选题】
1.Everyone is working harder and living a happier life now, ____ ？
①
aren’t they
②
aren’t we
③
isn’t it
④
isn’t one
【单选题】
-Hi, haven’t seen you for ages! You look fine! -____. You look well, too.
①
Great
②
Thanks
③
Oh, no
④
Not at all
【单选题】
It is ____for people to feel excited when they start doing something new.
①
normal
②
ordinary
③
average
④
regular
【单选题】
Only when you have acquired a good knowledge of grammar ____ write correctly.?
①
can you ?
②
will you ?
③
you can ?
④
can’t you?
【单选题】
He was offered $20,000 for the picture of his but he ____ it _____.
①
turned…up
②
turned ….off
③
turned ….out
④
turned …down