题目内容

Before you _______, you need to check the system requirements to make sure it is compatible with your system.

A. check your email
B. surf the Internet
C. write an email
D. install new software

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More and more companies are ______ about their products and services as a way to promote more business online.

A. building websites
B. downloading files
C. scanning for viruses
D. sending files

A computer's _______ is called its heart or "brains" because it's where data is processed.

A. RAM
B. USB
CPU
D. WIFI

（）的《至小丘西小石潭记》以优美的语言描写了“小石潭”的景色，含蓄地抒发了被贬后无法排遣的忧伤凄苦的感情。

A. 韩愈
B. 柳永
C. 苏轼
D. 柳宗元

《至小丘西小石潭记》的作者采用了“移步换景”的方法来写发现小石潭的经过及小石潭的景色特征。（）

A. 对
B. 错