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1、第五課時(shí)(Section B 3a3b)單元同步作文指導(dǎo)本單元以“談?wù)撝匾l(fā)明”為話題，要求同學(xué)們能夠從發(fā)明時(shí)間、大小、用途等方面描述一項(xiàng)發(fā)明。本單元常見(jiàn)的作文話題：介紹歷史上的一項(xiàng)重要發(fā)明；介紹你身邊的人或你自己的一項(xiàng)新發(fā)明等。假設(shè)這周你們學(xué)校的英語(yǔ)角談?wù)摰脑掝}是“手機(jī)的發(fā)展史”。請(qǐng)你從手機(jī)的發(fā)明時(shí)間(1973年)、外觀(large，heavy)和用途等方面，在英語(yǔ)角和同學(xué)們談?wù)撘幌滤陌l(fā)展變化，并描述你對(duì)未來(lái)手機(jī)的暢想。要求：1.語(yǔ)意連貫，語(yǔ)句通順；2不少于80詞。本文是一篇介紹手機(jī)的說(shuō)明文。寫(xiě)作時(shí)可按照如下思路進(jìn)行：本篇作文主要介紹手機(jī)的相關(guān)信息，因此我們可以按照時(shí)間順序進(jìn)行描述：過(guò)去(

2、歷史)、現(xiàn)在(使用狀況)以及將來(lái)(前景及發(fā)展趨勢(shì))。寫(xiě)作時(shí)要特別注意正確使用一般過(guò)去時(shí)及其被動(dòng)語(yǔ)態(tài)。Cellphones are becoming more and more important in our daily lives.Do you know the history of cellphones？The first cellphone was invented in 1973.At that time，it was like a building brick and much heavier than the cellphone today.Cellphones have many

3、 uses.For example，we can use cellphones to talk to others at any time.We can also use cellphones to take photos，listen to music or surf the Internet.I believe that cellphones will become thinner and thinner and that smartphones will take the place of computers in the future. Small inventions that ch

4、anged the world.was invented by.It is used for.It is said that.It is very important/comfortable/convenient/useful.Basketball has not only become a popular sport to play，but it also become a popular sport to watch.is/are becoming more and more important in our daily lives.造紙術(shù)不僅是中國(guó)古代的偉大發(fā)明，同時(shí)也促進(jìn)了世界文明的發(fā)

5、展。請(qǐng)根據(jù)下面表格里所提示的內(nèi)容，以O(shè)ne of the Most Helpful Inventions為題寫(xiě)一篇短文。詞數(shù)6080之間。InventionPaperTimeWestern Han DynastyInventorCai LunMaterialsbark，ropes，rags and so onUseswriting，painting，printing books and so onOne of the Most Helpful InventionsAs we all know，paper is one of the four most important inventions

6、in ancient China.It was invented in the Western Han Dynasty by Cai Lun.After he had done many experiments，Cai Lun made paper with bark，ropes，rags and so on.It is a great contribution to the world.Nowadays，paper is very useful in our work，study and daily life.We can use it to write，paint，print books and so on.Thanks for the invention of paper，it has made our life more colorful.