新目标英语九年级Unit 9 When was it invented? Section B 3a～4b教案

✿牡丹江市第四中学学区第六中学 杜红梅

【教学内容与分析】

本单元的话题是谈论一些发明的历程及用途。学生可以针对这些发明的用途及特点，发表自己的看法及理由。教师利用这些发明者的经历，潜移默化地渗透“努力学习，坚持自己的理想，就会成功”的情感目标。本课时是在前面学习了被动语态的基础上，阅读介绍茶叶的发明过程到仿写同一话题的作文，是一节典型的阅读写作课，具有一定的难度。

【教学目标】

1.语言知识目标：学习课文中的重点词汇ancient,remain,notice,produce,pleasant,pie,by accident,according to, fall into,throw，达到四会；掌握并熟练运用一般过去时的被动语态。

2.语言技能目标：读懂并准确理解关于发明的文章；学会用被动语态描述某物发明的过程。

3.学习策略：掌握速读和细读的阅读技巧及记叙文的要素。

4.文化意识：了解世界上各种发明的由来，学会做传承文化的使者。

5.情感态度：通过学习中国古代发明的文章，激发学生的民族自豪感。

【教学重、难点分析】

重点：通过阅读文章，准确把握文意，提炼出撰写关于发明的记叙文的要素。

难点：根据范文，学会使用被动语态仿写关于发明的短文。

【教学方法及手段】任务型语言教学法，多媒体，自制收纳盒，飞盘，MP3，矿泉水

【教学步骤】

Step ILeading-in(3m inutes)

Greet to the class.

T:Hi,boys and girls!First letme introducemyself.Icome from No.6 Middle School.My name is Du Hongmei.You can callmeMissDu.Sonice tomeetyou,everyone!

Ss:Nice tomeetyou,Miss Du!

T:Who put the papernoteshere?It’s really in amess.

（Teacher collects the paper notes in the box.Then show the box to the class.）

T:Whatis it?

Ss:It’sa paperbox.

T:What’s itused for?

Ss:It’sused for putting small things/holding...

T:Why didwe inventit?

Ss:Tocollectthingseasierandmakeour roommuch tidier.

T:Wehave lotsofinventionstosolvetheproblem indaily life.

T:When we listen to English,whatdowe use?(a TV?a computer?amobilephoneora tape recorder?)

Ss:A tape recorder.

T:Butwhen you listen to English,can you take a recorder everywhere?

Ss:No,we can’t.

T:In order to solve this problem,what people invented? Can you guess?

Ss:MP3.

（Teacher takesoutan MP3 and shows it to the class.）

T:Whatis it?What’s itused for?

Ss:...

T:Yes,it’sused for listening to English ormusic any time and anywherewithoutdisturbingothers.

T:As we know,inventions like MP3 are changing our world all the time;they canmake our lifemore convenientand more com fortable.Today we are going to talk about the inventions around us.We are going to learn Unit9When was it invented?Section B 3a～4b.

Step IIPresentation(10m inutes)

T:Next,we are going to learn some words about the invention of tea.Read the following stories carefully,try to guess themeaningof the red words.

（Show the stories on the screen and get the students to guess.）

（Teacherexplains theusagesof thenewwords.）

Story One

Long time ago,a shepherd（牧羊人）noticed his sheep becamemore active after eating some red fruit from a bush.He boiled some and itproduced a pleasant smell,so coffee,one of themostpopulardrinkswas invented.

（Teacher explains the usages of the new words and give examples.）

Story Two

The Cowherd and theWeaver is a famous Chinese ancient legend.Now a newmovie ismade according to the story,lots of peoplego to see itin the theatre.

Story Three

Once a boy fell into a big vat（缸）fullofwater.The other kids ran help.Only Sima Guang remained there.He picked up a big stone and threw itat the vat.The vatwas broken and the boywassaved.

Read the new words after the teacher together.Then students read them togetheronce.

Say out the new words and phrases according to the Chinesemeanings.One reads twice.

Step IIIReading(20m inutes)

T:I’m thirsty now,whatshould Ido?

Ss:You should drink somewater.

（Show a bottle ofwater.）

T:Water is one kind of beverage.Beveragemeans drink. Read afterme.

T:Nextwearegoing to talk aboutanotherbeverage,tea.Do you know how teawasinvented?

Ss:...

T:Please open your books and turn to Page 72.Read the articlequickly and find outwho invented tea.

（Students read thearticleand answer.）

T:Read silently and carefully and discuss the following questions in groupsof4.

（Geteach group toansweronequestion.）

T:Let’s read the articlealoud together.

T:Well,next let’s read one paragraph after one and analyze thearticle.Please look at thescreen.

Paragraph One

Did you know that tea,themostpopular drink in theworld (afterwater)，...invented...?

T:The firstparagraph tells uswhatwas invented.It's the thingof invention.

Paragraph Two

Although tea wasn't brought to the Western world until 1610,this beverage was discovered over three thousand years before that.According to an ancient Chinese legend,the emperor Shen Nong discovered tea when he was boiling drinking wateroveran open fire.

（Teacher explains theword over in this paragraph.Let the studentssum up themain pointsaccording to the red words.）

Ss:It tellsus the time,the person and the place.

T:Yes,it tellsuswhen itwas invented,who itwas invented by and where itwas invented.

Paragraph Three

Some leaves from anearby bush fell into thewater and remained there for some time.Theemperornoticed that the leaves in the water produced a pleasant smell.Later he decided to taste thehotmixture.Itwasquite delicious.

T:The third paragraph tells us the process of the invention.It tellsushow teawas invented.

Paragraph Four

And in thisway,one of theworld’s favorite drinkswas invented.

T:The lastparagraph tells us how important tea is.It tells us the importanceof the invention.

T:Nextplease discusson how towrite aboutan invention in groupsof fourand fill in the form on the study plan.

（Lead the students to sum up themain points and write on the blackboard.）

T:If there is time,place,person,cause,process and result in an article,we call itanarrative.

（Explain thesix elementsand narrative in Chinese.）

T:Look,it’sa flying disk.Read afterme,flying disk.Who can play it?It’san importantinvention because itcan bringusa lotof fun.Read thearticleand try to find out the six elementsof narrative.Discussin pairs,fillin thechartusing thequestion like:

—Whatwas invented?—Flying disk.

From pie p late to flying disk

The flying disk was invented by college students.The original flying disk was really ametal pie plate from a bakery in Bridgeport,Connecticut（布里奇波特，康涅狄格州）.The students liked to eat the pie and then threw the pie plates each other.In the1950s,a company beganmaking plastic disk.Now there are flying disk clubs,a flying disk magazine,and even a national flyingdisk festivaleach September.

（Getseveralpairs to actout their conversations.Show the correctcharton the blackboard.）

What flying disk Who college students When in the1950s Where in abakery in Bridgeport,Connecticut How studentseatpie,throw pie plates Today clubs,magazines,festival

Step IVW riting task(5m inutes)

T:We have learnt two articles about invention.I think you have known how to talk orwrite aboutan invention.Ifyou are a magazine reporter,youwant to introduce an invention.You can choose eitherof them towrite about.Write iton yourpapers.

（Students:Write their compositionson the paper.Teacher goesaround givinghelp ifnecessary.）

Step VComments（5m inutes）

T:Do you know how to check a composition?Letme give you some adviceon it.

（Teacher shows the ways to check a composition on the screen andmake twoor three examples.）

Step VISummary＆Homework（2m inutes）

T:Whathavewe learntin class?

Ss:...

T:Which country did Shen Nong come from?

Ss:China.

T:Teawas invented by Chinese.But tea isdrunk by people allover theworld.Whatdo you think of it?Don’t think that Chinese peopleare greatand wise?

Ss:Sure.

T:I think we should be proud of ourmotherland and our Chinese people.You can also be a great inventor.First,you should have the idea,nextyou should work hard and hold on to your dream,you can achieve your dream one day.

T:You are clever,so youmusthave your own invention to help people around you.Write an article to introduce your invention.

【板书设计】