根據(jù)全國英語等級考試三級考試大綱（PETS-3），作文部分要寫兩篇作文的，滿分為25分。該部分由A 、B兩節(jié)組成，主要考查考生的書面表達能力。其中A節(jié)考核內(nèi)容為考生根據(jù)所給情景（英/中文）寫出約100詞（不計算標點符號）的簡單信件、便箋等；B節(jié)考核內(nèi)容為考生根據(jù)所給情景，寫出一篇不少于120詞（不計算標點符號）的文章。提供情景的形式有圖畫、圖表、文字等。為幫助大家更好的備考，希賽網(wǎng)為大家分享相關(guān)內(nèi)容。

It is known to us all that the computer is the most important invention in the 20th century. It has been developed a lot since it appeared. Also, our daily life has greatly changed because of it.

A computer can think and remember things like man, but it is millions of times faster than human begins. As a result, computers have been used in the fields of agriculture, industry， education and so on. For example, we can learn our lessons at home by using a computer instead of going to school.

Computers have entered our daily life. So it is important for us to learn how to use a computer. And we must start right now.