1、Unit 6 When was it invented? 作文單元話題本單元話題主要是談論重要的發明，題材多以說明文為主。可以用一般現在式，一般過去式及一般將來式。人稱可以用第一人稱或者第三人稱。寫作范文：The Most Useful InventionMobile phones are the most useful invention. The first mobile phone was invented for the US Army in 1938 in America. Until 1973, Martin Cooper from Motorola Company invente

2、d the first mobile phone for civil use. Since then, the world has been changed because of the useful invention.As we all know, mobile phones are being more and more widely used in our daily life. They are used in many ways. First, they offer fast and convenient service for communication. They are us

3、ed for calling. We can talk with our friends or parents for a long time. And they are becoming smaller and lighter. Its quite easy for us to carry them can also be used for sending for short messages to show our feelings to our friends. Whats more,we can surf the Internet on mobile phones. That help

4、s to open up our eyes to the outside world. And when we are tired, we can listen to music to relax ourselves. Our life becomes more colorful because of the invention of the mobile phone.Mobile phones play an important part in our daily society has developed so fast because of these inventions. Meanw

5、hile,we have to thank these inventors who contribute to the development of the society. We should study hard and try our best to learn science well . I hope I will be a great inventor in the future.TThe mobile phone was invented in Mobile phonePopularityIntroductionOpinion invented the mobile phone.

6、The mobile phone 3. _calling and sending short messages.We can and listen to music with phone.Mobile phones have a great our life【寫作訓練】隨著科技的不斷發展, 許多新的發明涌現出來。這些發明給我們的生活帶來了極大的便利, 有的甚至改變了世界。請根據下面的信息提示, 寫一篇不少于100詞的短文, 介紹一下計算機的發展歷程及計算機帶給我們的變化。提示信息：1. 最初的現代計算機發明于1946 年, 像一座大房子一樣, 重約30 噸；2. 現代的計算機又小又便宜, 而且

7、被廣泛應用于我們的日常生活中；3. 計算機在我們的日常生活中變得越來越重要。With the development of the science and technology,many new inventions came _ Marking ladderRequirementThe details Self-check Peer checkTeachers assessmentHandwritingTidy and clear (2 )The word count 80-120 words (2)Structure and contentsI have _ paragraphs in m

8、y article. I have written the introduction and popularity of the computer ,my opinion in my article. (9)I have used some linking words. Such as “first” ”whats more ”in addition”besides” “firstly”secondly” “finally” (2)I have many kinds of sentences pattern. (3)Grammar and languageThe verb and the subject agrees. (主謂一致) (2)Singular -Plural Agreement (單復數一致) (2)I have checked my punctuation (標點符號) and capitalized every letter at the beginnin