Question

 

Do you find that when you are busy with your study on the Internet, the speed of your computer slows down 1. sometimes? It is probably because your computer gets infected by virus (病毒), which can make it more difficult for you to use the computer. How to keep viruses 2. your computer is a problem now. But in fact, nothing can ensure (保證) the security of your computer one hundred percent. There are, somehow some things you can do to 3. your computer’s security system and decrease (降低) the possibility of an infection.

You can 4. your system up to date with the current anti-virus software (反病毒軟件), and use the following methods

 

Answer 1

1.B

2.C

3.A

4.D

【解析】

試題分析：這篇短文主要介紹了當你正在電腦上忙著你的學習時，你的電腦的速度有時會突然慢下來,這可能是感染了病毒。所以怎樣使病毒遠離你的電腦成為了一個問題。

1.1】你發(fā)現(xiàn)了沒有，當你正在電腦上忙著你的學習時，你的電腦的速度有時會突然慢下來，根據(jù)句意及后文，故填B

2.2】現(xiàn)在怎樣使病毒遠離你的電腦是一個問題，keep…away，使……遠離，根據(jù)句意，故填C

3.3】你能做一些事情以改善你的電腦的安全系統(tǒng)，降低感染的可能性，根據(jù)句意，故填A

4.

考點：日常生活類短文。