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1、Section B (3a3b)單元同步作文指導,隨著科技的進步，許多新的發(fā)明不斷涌現(xiàn)，它們給我們的生活帶來了方便。本單元以談論重要發(fā)明為話題，要求同學們學會介紹某項發(fā)明的用途、特點等。而且近年來，介紹某項發(fā)明的用途或特點的寫作題材在全國各地中考試題中也常有出現(xiàn)。此類文體屬于說明文，最常用的時態(tài)是一般現(xiàn)在時。 寫此類說明性文章應注意的事項：寫作時應采用一定的順序；具體、清晰地說明該發(fā)明的用途、特點；充分發(fā)揮想象力，談談自己使用的感受。 教材中出現(xiàn)的相關句型： ...was invented... It is used for...,拓展常用句型： It is very convenient/c

2、omfortable/important/useful.它非常方便/舒適/重要/實用。 Its hard to imagine what our life would be like if we had no computers in our daily life.很難想象在我們的日常生活中，如果沒有電腦會是什么樣？,Computers_are_becoming_more_and_more_important_in_our_daily_life.Do_you_know_the_history_and_the_changes_of_computers？Computer was invented

3、in 1946.At that time，the machine was huge and it was as large as a big house. It weighed about 30 tons. Computer is a very useful tool in our life，study as well as our work. For example，computer can send some messages to foreign friends by email. The computer can open our eyes to let us know more. C

4、omputer is one of the most helpful inventions in the world. Computer can help us in study or work. There are many functions (功能)We can listen to music or play the games on computer. It makes us relax. Its hard to imagine what our life would be like if we had no computers in our daily life. And in my

5、 opinion，computers are going to change our life completely in the near future.,注意：1.報告應包括以上所有提示的信息，但不要逐字翻譯，可適當發(fā)揮，使行文連貫； 2發(fā)明的東西可大可小，有其特殊用途即可； 3詞數(shù)不少于80。開頭和結尾已為你寫好，不計入總詞數(shù)。,Good morning，everyone！Today Im going to talk about inventions. Inventions are created every day because people would like to make l

6、ife easier. There are famous inventions like the TV and the bicycle. TV provides us with different kinds of information so that we can know more about the world. We watch entertainment programs to relax ourselves. Besides，some learning programs help us with our study. The bicycle is very useful，too.

7、 We go to school or work by bike. Its not so expensive that most of us can afford it. It makes no pollution，which is good for our environment. Whats more，bicycle riding is a kind of exciting sports which is quite good for our health. Though there have been many great inventions，I wish to invent a kind,of pen which can help us write more quickly and neatly. When we meet problems in doing our homework or taking exams，it will tell us how to solve them! Thats all. Thank you very much!,