人教版九全册Unit 6 When was it invented?
写作主题：谈论发明物的历史及用途
一、话题分析
当前，科技发展日新月异，高新产业更是突飞猛进。现代科技改变了人们的生活，也激发了全民学科
学、爱科学、用科学的热情，形成了“大众创业，万众创新”的科学热潮。本单元以“谈论发明物的历史
及用途”为话题，涉及科普知识与技术等内容，是学生最感兴趣的话题之一。写作体裁多为说明文，写好
这类文章一定要抓住事物的特征、功能和用途。在中考中，说明文一般要按照“总一分”结构或并列结构
布局，而且在说明一件事物的时候，应按照一定的顺序：如时间顺序、空间顺序或逻提职序等。
二、写作方法
“3W法”介绍发明物
1人物：Who invented it?
2. 时间：When was it invented
3. 用途 What's a made for?
三、素材积累
发明物介细类作文常用词汇：
fridge., invention, robot, mobile phone, TV. computer, light,
washing machine, helpful, useful, important, interesting, honing, change, be used for
发明物介绍类作文章用句型：
1. ...was invented by...
2. ...have changed our life a lot.
3. . Which is the most useful invention?
4. .was/is used for/to...
5. . I hope t will become...
6. . Though it was very small, it was very useful.
7. .It makes my life more enjoyable and more convenient.
四、实例讲解
下周一上午轮到你在英语课上做课堂报告，你打算把爸爸最近网购的音乐机器人（music robot）介绍给
同学们，下图是关于这个音乐机器人的广告。请你根据所提供的信息
写一份发言稿。
注意：
（1）选择所给信息进行介绍，建议举例说明并适当发挥；
（2）必须谈谈你对音乐机器人的看法；
（3）文中不得出现真实的姓名和校名；
（4）词数：80-100．
短文开头已给出，不计入总词数。参考词汇：remind…of connect…to the Internet provide services
短文首句：
Good morning, everyone! Here, I'd like to introduce the music robot my father bought online．
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【常用表达】
light bulb电灯泡 mobile phone移动电话 smarter phone智能手机 computer电脑
hand computer掌上电脑 GPS定位系统 spaceship宇宙飞船 space station空间站
robot机器人 WeChat 微信 science 科学 virus 病毒 information 信息
email电子邮件 robot机器人 screen荧光屏 mouse鼠标 application应用
invent 发明 operate操作 smart智能的 electronic电子的 laptop手提电脑
equipment 设备 software 软件 data数据 database 数据库 battery电池
chip 芯片 digital数字的 fax传真 remote遥远的 engineer 工程师 update 更新
test out the theory by experiment用实验检验理论 turn out 结果是 science and technology 科学技术
【常用短语】
be used to 被用来（做）
save us a lot of time节省我们许多时间
with the help of在……帮助下
in short总之
【写作模板】
第一段：介绍科技发明出现的原因。
算二段：具体描述该科学技术的特点和利弊。
第三段：总结并发表自己的观点。
__________(新兴事物名称) has become increasingly popular among middle school students. Some view it
as a great way to__________(对这种事物的观点1), while others think__________(对这种事物的观点2).
There are arguments both for and against__________(新兴事物名称).
On the negative side, (该事物的坏处). On the other hand, (该事物的优点1). Furthermore,(该事物的优点
2).
Every coin has two sides. We should__________(发表观点).
【开头句】
1. Science plays an important part in our life.
2. … is an important/ useful invention.
2. WeChat is widely used in the world.
3. Shared bikes are more and more popular now.
4. If I was an inventor. I want to invent a robot.
5. Shopping online is very popular among young people.【中间句】
1. Generally, its advantages can be seen as follows.
2. Computers can do most of the things people can do.
3. Using smartphones distracts our attention from our lessons.
4. Some students spend too much time online, playing electronic games and sending text messages after
class.
【结尾句】
Through the above, I believe that the positive aspects overweight the negative ones.
五、 写作训练一
【写作任务】(Section B 3a & 3b)
假如你就读于一所国际学校，酷爱发明。在你校的科技周活动中你想向同学们“推销”
你的一项新发明。请根据提示准备一篇英语发言稿。
提示：1. What’s it and when was it invented? 2. What’s it used for?
3. What does it look like? 4. How does it work?
5. How much is it?
【思路点拨】
1. 定基调
体裁：说明文
时态：介绍发明要用一般现在时
人称：第三人称
2. 谋布局、写句子3. 巧衔接
在介绍该发明的工作原理时，可以使用表示顺序的词first和then来连接，这是使用逻辑
纽带的方式进行衔接的一种方法。
4. 成篇章
May I have your attention, please?
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5. 化“平凡”为“非凡”
If you hate it, please buy one. → If so, please buy one.
六、写作训练二
计算机在我们的生活、工作中的作用越来越大，你知道计算机的起源与发展吗？请结合计算机的发明时间
(1946年)、外形、用途等方面，谈一下它的发展变化，并说明你对未来计算机的畅想。
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七、真题演练(2019湖南株洲)
假定你是李华，准备参加“一带一路”国家中学生英语演讲比赛，主题为“现在引领未来”。请你写一篇
演讲稿，包括以下内容:
(1)你最难忘的一个书包是怎么得来的?
(2)你喜欢它吗?为什么?
(3)描述你将来的书包。
注意: (1) 词数80左右;
(2) 可以适当增加细节，以使行文连贯;
(3) 文中不能出现可能透露考生真实身份的任何信息。
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人教版九全册Unit 6 When was it invented?写作主题：谈论发明物的历史及用途
实例讲解
【参考范文】
Good morning, everyone! Here, I'd like to introduce the music robot my father bought online. It is small, so
you can even carry it in your backpack. After you connect it to the Internet and speak to it, it can provide different
kinds of services. For example, you just say, “Ding Dong, I want to listen to SHE's songs”, and it will play their
songs immediately. You can also ask it about weather or even your problems in study, besides, it can remind you of
important dates and so on. I am so amazed at my music robot because it makes my life more enjoyable and
convenient. I really love it!
写作训练一
答案
2. 谋布局、写句子
(1) It was invented last year
(2) It is used for dealing with rubbish
(3) The cleaning dog machine looks like a real dog
(4) how much my new invention is
【参考范文】
May I have your attention, please? I’d like to introduce my new invention to you. It is a machine
called “cleaning dog”. It was invented last year. It is used for dealing with rubbish at home. The
cleaning dog machine looks like a real dog. Do you know how it works? First it uses its nose to look
for its food — the rubbish. Then the rubbish will turn into energy after being eaten. Once it eats its
“food”, it doesn’t need to be charged. You must want to know how much my new invention is. It’s
500 yuan. It’s not very expensive, is it? You hate it when there is much rubbish in your house, don’t
you? If you hate it, please buy one. I believe your parents will also be happy with it.
写作训练三
【参考范文】
