【单选题】【消耗次数：1】
计算机病毒的危害性表现在
①
能造成计算机部分配置永久性失效
②
影响程序的执行或破坏用户数据与程序
③
不影响计算机的运行速度
④
不影响计算机的运算结果
参考答案：
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相关题目
【单选题】
计算机病毒的危害性表现在（ ）。
①
能造成计算机器件永久性失效
②
影响程序的执行，破坏用户数据与程序
③
不影响计算机的运行速度
④
不影响计算机的运算结果，不必采取措施
随机题目
【单选题】
Some famous singers live on the ____ from their record sales.
①
salary
②
price
③
bill
④
income
【单选题】
Lucy was ____ and quiet while her brother was sure and noisy.
①
angry
②
hungry
③
painful
④
shy
【单选题】
-Which job do you think I should take the counter’s job or the waiter’s job?-____.
①
That’s all right
②
It’s your own matter
③
It’s up to you
④
It’s none of your business
【单选题】
30. -Would you like to have tea or coffee? - ____.
①
Either will do
②
Neither do I
③
It doesn’t matter
④
Yes, please
【单选题】
While
reading the newspaper, ____.
①
a
colorful advertisement caught my eyes
②
my attention was attracted by an advertisement
③
I
was attracted by a colorful advertisement
④
What attracted my eyes was a colorful
advertisement
【单选题】
Although she was frightened, she answered with a ____ voice.
①
quiet
②
silent
③
still
④
calm
【单选题】
Neither Sandynor her brother ____ the concert.
①
is going to
②
are going to
③
are going to go
④
is go