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1、Unit 6When was it invented?第六課時(shí)Section B (3a3b)單元同步作文指導(dǎo) 隨著科技的進(jìn)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?wù)撝匾l(fā)明”為話題，要求同學(xué)們學(xué)會介紹某項(xiàng)發(fā)明的用途、特點(diǎn)等。近年來，介紹某項(xiàng)發(fā)明的用途或特點(diǎn)的寫作題材在全國各地中考試題中常有出現(xiàn)。此類文體屬于說明文，最常用的時(shí)態(tài)是一般現(xiàn)在時(shí)。寫此類說明性文章應(yīng)注意的事項(xiàng)：寫作時(shí)應(yīng)采用一定的順序；具體、清晰地說明該發(fā)明的用途、特點(diǎn)；充分發(fā)揮想象力，談?wù)勛约菏褂玫母惺?。教材中出現(xiàn)的相關(guān)句型：.was invented.It is used for. 拓展常用句型：It i

2、s very convenient/comfortable/important/useful.它非常方便/舒適/重要/實(shí)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。When was the telephone invented？電話是什么時(shí)候被發(fā)明的？Who was it invented by？它是被誰發(fā)明的？Its said that a Chinese ruler called Shen Nong w

3、as the first to discover tea as a drink.據(jù)說一個(gè)名叫神農(nóng)的中國統(tǒng)治者是第一個(gè)發(fā)現(xiàn)茶可當(dāng)作飲品的人。Basketball has not only become a popular sport to play， but it has also become a popular sport to watch.籃球不僅成為一項(xiàng)很受歡迎的體育運(yùn)動(dòng)，而且還成為很受歡迎的觀看活動(dòng)。 假設(shè)你是李華。下周是學(xué)校的科技創(chuàng)新周，學(xué)校英語報(bào)正在以“Inventions”為題向?qū)W生征稿。下面是一款最新發(fā)明的防駝背襯衫，請你根據(jù)以下圖片和信息寫一篇短文介紹這一新發(fā)明，向校英語報(bào)投

4、稿。要點(diǎn)提示：1.由一位荷蘭設(shè)計(jì)師為駝背者設(shè)計(jì)；2駝背時(shí)，襯衫背部就會變緊，提醒人們改變坐姿；3設(shè)計(jì)師希望幫助人們改善長期坐姿；4表達(dá)你對該襯衫的看法。要求：1.語言簡潔流暢，條理清晰；2詞數(shù)：80100詞。參考詞匯：駝背slouch；變緊tighten；坐姿posture The Shirt That Stops People from SlouchingThe unique shirt is one of the latest inventions.A Dutch designer designed it for people who always slouch when they sit

5、 at a desk.The shirt works in a simple wayeach time the wearer slouches， the shirt will tighten around the back.Then the shirt will remind the wearer to sit up straight again.The designer hopes that the shirt could help people improve their poor postures in the long run.In my opinion， the shirt is a

6、 great invention， because it can help us keep a good posture and work or study efficiently.It is also helpful to our health.【點(diǎn)評】范文語言通順流暢、詳略得當(dāng)、條理清晰地介紹了這款襯衫的設(shè)計(jì)者、適用人群、工作原理和設(shè)計(jì)目標(biāo)等方面，使讀者對該襯衫 有一個(gè)比較全面的了解。文中使用了一些精美的短語，如remind sb. to do sth.， in the long run， in my opinion等，為文章增加許多文采。 太空筆(space pen)是一種為宇航員設(shè)計(jì)的

7、太空環(huán)境下使用的筆，它是由美國人保羅費(fèi)舍爾(Paul Fisher)發(fā)明的。請你根據(jù)下表所提示的信息寫一篇短文，介紹一下這種神奇的太空筆，作為校英語廣播站“科普小長廊”這個(gè)節(jié)目的文稿。太空筆的性能1.可以在無重力條件下書寫；2.可以在極寒冷或極炎熱的環(huán)境下書寫；3.可以在濕的表面或水下書寫。要求：1.短文應(yīng)包括所給內(nèi)容要點(diǎn)，可適當(dāng)發(fā)揮，使文章連貫；2詞數(shù)：80100詞(開頭已給出，不計(jì)入總詞數(shù))。參考詞匯：在無重力條件下in zero gravity One possible version：Do you know the space pen？It is a kind of special p

8、en used by astronauts.It was invented by an American called Paul Fisher.First， this pen can be used in space because it can write in zero gravity.In fact， normal pens cannot work in space because of zero gravity.Second， it can write at extremely hot or cold temperatures.Third， it can write on wet surfaces， so it can be used under water.Maybe you think the space pen is just a small invention， but it solves a difficult problem in space exploration.Therefore， it is a very useful invention.