秋九年级英语全册Unit6Whenwasitinvented（第5课时）SectionB（3a-3b）习题（新版）新人教版课件

1、第五课时(Section B 3a3b)单元同步作文指导本单元以“谈论重要发明”为话题，要求同学们能够从发明时间、大小、用途等方面描述一项发明。本单元常见的作文话题：介绍历史上的一项重要发明；介绍你身边的人或你自己的一项新发明等。假设这周你们学校的英语角谈论的话题是“手机的发展史”。请你从手机的发明时间(1973年)、外观(large，heavy)和用途等方面，在英语角和同学们谈论一下它的发展变化，并描述你对未来手机的畅想。要求：1.语意连贯，语句通顺；2不少于80词。本文是一篇介绍手机的说明文。写作时可按照如下思路进行：本篇作文主要介绍手机的相关信息，因此我们可以按照时间顺序进行描述：过去(

2、历史)、现在(使用状况)以及将来(前景及发展趋势)。写作时要特别注意正确使用一般过去时及其被动语态。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.造纸术不仅是中国古代的伟大发明，同时也促进了世界文明的发

5、展。请根据下面表格里所提示的内容，以One of the Most Helpful Inventions为题写一篇短文。词数6080之间。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 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，pain