Unit 2Saving the Earth Topic 2All these problems are very seriousSA.docx

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Unit 2Saving the Earth Topic 2All these problems are very seriousSA.docx

Unit2SavingtheEarthTopic2AlltheseproblemsareveryseriousSA

SectionA

Ⅰ.Materialanalysis本课是第二单元第二话题的第一课时。

主活动是1a。

1a通过Kangkang向他的同伴Maria和Jane抱怨恶劣的天气,引出本课的功能意念:

抱怨和责备。

同时也初步呈现了本单元的语法点:

不定代词和不定副词。

1b主要培养听力策略,即重点听对话的大意。

1c侧重于考查归纳总结的能力。

在2中,通过“用所给词的正确形式填空”这种题型,巩固1a中的重点语言点。

借助3的图片和信息提示,进一步形象地了解沙尘暴形成的过程。

通过4的听力练习,提高学生听取文段细节的能力。

本课通过谈论沙尘暴的成因说明了树木对环境保护的重要作用。

同时也让学生了解天气与人类活动的关系,关注全球的环境问题。

Ⅱ.Teachingaims1.Knowledgeaims:

掌握本课的重点词汇和短语,谈论沙尘暴的成因。

初步感知不定代词和不定副词的用法。

2.Skillaims:

能听懂谈论沙尘暴成因的对话。

能够从所听材料中获得有效的细节信息。

能够根据图片和信息提示词描述沙尘暴形成的过程。

3.Emotionalaims:

(optional)让学生了解环境污染的严峻形势,引导学生爱护大自然,爱护花草树木,树立绿色环保意识。

4.Cultureawareness:

(optional)通过课文的学习,让学生了解沙尘暴形成的原因和过程,关注全球的环境问题。

Ⅲ.Thekeypointsanddifficultpoints

1.Keypoints:

Wordsandphrases:

sand,although,sandstorm,desert,humanbeing,reduce,completely,changeinto,stop…from,blow/wash…away,asaresult

Sentences:

Alotofwatercanbesavedbyforests.

Althoughwehavebuilt“TheGreenGreatWall”,westillneedtodosomethingtoprotecttheenvironment.

Grammar:

Indefinitepronounandadverb.Difficultpoints:

能够从所听材料中获得有效的细节信息来补全句子。

能够根据图片和信息提示词描述沙尘暴形成的过程。

Ⅳ.Learningstrategies通过引导学生在听前阅读1b和3,培养学生形成听前熟悉、预测听力材料的学习习惯。

通过3中的插图预测并描述新话题,培养学生的逻辑推理能力。

Ⅴ.Teachingaids关于沙尘暴的视频和图片,录音机,幻灯片等。

Ⅵ.Teachingprocedures

Stage

(timeperiod)

Interaction

patterns

Teacheractivity

Studentactivity

Remarks

1

Gettingstudentsreadyforlearning

(3mins)

Classactivity

PlayashortvideoaboutasandstormandletSsguesswhatkindofweatheritis.

T:

Hi,boysandgirls!

It’safineday,isn’tit?

Ss:

Yes.

T:

Nowwatchtheshortmovieandguesswhatkindofweatheritis?

T:

Canyoutellmewhattheweatheris?

Ss:

Yes,沙尘暴.

T:

Right.Wecallit“sandstorm”.It’sakindofstormcausedbysand.Sowecallitsandstorm.Nowreadafterme,“sand”“sand”.

(Pointtoasceneinthevideo.)

Ss:

“sand”,“sand”

T:

“storm”,“storm”

Ss:

“storm”,“storm”

T:

“sandstorm”,“sandstorm”

Watchavideoaboutasandstormandguesswhatkindofweatheritis.

Ss:

Yes.

Ss:

Yes,沙尘暴.

 

Ss:

“sand”,“sand”

T:

“storm”,“storm”

Ss:

“storm”,“storm”

Ss:

“sandstorm”,“sandstorm”

通过播放与沙尘暴相关视频,进入本课话题,从视觉,听觉等方面感知沙尘暴这种恶劣的天气现象,为了解环境问题做好准备。

 

教师在教读单词时,注意使用升调和降调,配上手势,培养学生的语音语调。

2

Lead-in

(3mins)

Groupwork

Showthepicturesofasandstorm,lettheSsguesshowsandstormcomesintobeingandnumberthepicturesin3.

T:

OK,doyouknowhowsandstormcomesintobeing?

Pleaselookatthepictures,discussandnumberthemingroups.

T:

OK,howdoesthesandstormcomeintobeing?

Tellmetherightorder,please.

S1:

It’s4-1-5-3-6-2.

Lookatthepicturesaboutasandstorm,guesshowsandstormcomesintobeingandnumberthepicturesin3.

 

S1:

It’s4-1-5-3-6-2.

先处理3部分,简单描述沙尘暴形成的过程,让学生对这种天气,有所了解,然后在进入1a,详细谈论沙尘暴形成的原因以及树木的功能,这样,让课堂环节更加流畅。

3

Pre-listening

(5-7mins)

Groupwork

LettheSstalkaboutsandstormaccordingtothepicturesandthegivenwordsin3ingroups.

T:

Yeah,youareright.Withthehelpofpicturesandthewordsbelow,canyoutalksomethingaboutsandstorm?

Ss:

Yes.

T:

Nowdiscusswithyourgroupmembers.

T:

OK,whocantry?

S1:

Longago,therewerelotsoftreesandforests.Butpeopleneededsomewoodtobuildhousesanddootherthings,sotheycutdownthetreesdaybyday.Andtheforestshavegoneslowly…

 

S2:

Talkaboutsandstormsaccordingtothepicturesandthegivenwordsin3.

Ss:

Yes.

S1:

Longago,therewerelotsoftreesandforests.Butpeopleneededsomewoodtobuildhousesanddootherthings,sotheycutdownthetreesdaybyday.Andtheforestshavegoneslowly…

S2:

引导学生通过图片和短语提示,正确排列图片顺序,对沙尘暴形成的过程进行描述,训练学生连词成句,连句成片的能力。

为了降低难度,可以这样操作:

先让小组内的每个成员根据提示词写一个或者几个相关的句子,再一起将这些句子串起来,最后注意加上正确的连接词。

在展示环节,可以让学生以小组为单位,一起上台做一个关于沙尘暴的presentation,展示小组合作的成果,体现小组的风采。

4

While-listening

(8mins)

Individualwork

 

Pairwork

Step1:

Presentthepicturein1a.LettheSslistento1aonceanddo1balone.

T:

Right.Nowlookatthispicture.What’stheweatherlike?

S1:

It’sasandstorm.

T:

Howdoyouliketheweather?

S2:

Ithinkit’sterrible.

T:

Peoplecan’tseethingsclearly.Andit’sbadforourhealth.Nowlistentothetapeandchoosethebestanswerin1b.Whenyouarelistening,payattentiontothemainidea.

T:

Nowpleasecheckanswers.Theboyandgirlsaretalkingabout…

S1:

B,thereasonsforsandstorms.

Step2:

LettheSslistento1aagainandcompletethefunctionsoftreesin1c.Theycandiscussinpairs.

T:

Listento1aagainandfindthefunctionsin1c.

T:

Whatarethetrees’functions?

S1:

Treescanstopthewindfromblowingtheearthaway.

S2:

Theycanalsostopthewaterfromwashingtheearthaway.

Lookatthepicturein1a,listenandchoosethebestanswerin1b.

.

S1:

It’sasandstorm.

S2:

Ithinkit’sterrible.

S1:

B,thereasonsforsandstorms.

Readandcompletethefunctionsin1c.Discussinpairs.

 

S1:

Treescanstopthewindfromblowingtheearthaway.

S2:

Theycanalsostopthewaterfromwashingtheearthaway.

通过课文插图,引导学生预测课文内容,为完成听力降低难度。

1b的听力是抓对话的主题,不能直接找到主旨句,而是要通过归纳的方式得出,如果教师提示学生用“排除法”,可以帮助学生作出正确的选择。

 

如果学生基础较好,也可以将1c调整成听的活动,学生能够找到答案,但会很难记下来。

因此,可以用听读结合的方式,先听两遍,记下关键词,再通过朗读,检查答案。

5

Post-listening

(10mins)

Groupwork

 

Groupwork

 

Classactivity

 

 

Step1:

LettheSsread1aingroupsandthenroleplayit.

T:

Read1awithyourgroupmembersandactitout.

Step2:

LettheSsreadagainandfindtheimportantphrasesin1a.ThenwritethemdownontheBb.

T:

Nowread1asentencebysentence,underlinetheimportantphrasesandthenwritethemdownontheBbbehind.

T:

OK,let’slookatyournotes.No.1,“changeinto”.Whocantellusitsmeaning?

S1:

Itmeans“turninto”.

T:

Right.Whocanmakeasentencewithit?

S2:

Wecanchangeiceintowater.

T:

Wonderful!

Ifyourgroupalsohasthisphrase,pleasetickitout.Nownextone,“stop…fromdoingsth.”Whocanmakeasentencewithit?

S3:

(Teachotherphrasesinthesameway.)

Step3:

LeadtheSstocompletethesentenceswiththecorrectformsofthegivenphrasesintheboxin2.

T:

OK,wehavelearntthekeyphrases.Nowlet’sfillintheblanksin2withthecorrectformsofthephrases.

T:

Let’scheck.

S1:

Peoplehavecutdownsuchalargenumberoftreesthatthelandhaschangedintodesert.

S2:

…,sothewindalwaysblowstheearthaway.

S3:

…,sowemustdosomethingtoreduceit.

S4:

S5:

Read1aingroupsandthenroleplayit.

Read1asentencebysentence,andunderlinetheimportantphrases.

 

S1:

Itmeans“turninto”.

S2:

Wecanchangeiceintowater.

 

Completethesentenceswiththecorrectformsofthegivenphrasesintheboxin2.

 

S1:

Peoplehavecutdownsuchalargenumberoftreesthatthelandhaschangedintodesert.

S2:

…,sothewindalwaysblowstheearthaway.

S3:

…,sowemustdosomethingtoreduceit.

S4:

S5:

 

在处理知识点时,教师要让学生自己去发现重难点,这有助于学生调整复习方向。

如果他们组呈现的都是本课的重点知识,教师要给予肯定和鼓励。

在讲解过程中,注意综合所有小组的重点,并让学生自己想办法解决,通过造句等方式在情境中来运用该知识点。

在处理完课文知识点后,检验学生学习情况最好的方式就是做题,本课2,就是对1a知识点的巩固训练和学习情况的检测,也是提高学生综合运用语言的能力。

 

6

FinishingTask4(10mins)

Classactivity

LeadtheSstolookatthephrases.Listentothepassageandcirclethephrasesyouhear.Thenlistentwicetocompletethesentences.Finish4.

T:

Lookatthesephrases,what’sthemeaningof“becomeweaker”?

S1:

Itmeans“变得更虚弱”inChinese.

T:

Right.Howabout“destroytheenvironment”?

S2:

Itmeans“破坏环境”.

T:

Nowlistencarefullyandcirclethephrasesyouhear.

...

T:

OK,nowchecktheanswertogether.Whichphrasesdidyouhear?

S41…

S5…

T:

Welldone.Nowlistenagainandfillintheblanks.Whenlistening,youcanonlywritethefirsttwolettersofeachword.Afterfinishinglistening,youhavesometimetocompleteyouranswers.Ready?

T:

OK.It’sabitdifficult.Soyouhaveonemoreminutetocompletethesentenceandpayattentiontotheformsofverbs.

T:

Let’schecktheanswerstogether.

S6:

Nowsomekindsofanimalsarebecoming…

S7:

Someanimalsare…dyingoutcompletely.

S8:

…andhad…food.

Lookatthephrases,listenandcircleforthefirsttime.Thenlistentwicetocompletethesentences.Finish4.

S1:

Itmeans“变得更虚弱”inChinese.

S2:

Itmeans“破坏环境”.

S41…

S5…

 

S6:

Nowsomekindsofanimalsarebecoming…

S7:

Someanimalsare…dyingoutcompletely.

S8:

…andhad…food.

听力4的B部分较难,教师指导学生在做“填空类”听力题时注意策略:

听前,可以带领学生根据题目预测听力内容,降低难度;听时,先把握句子的整体意思,只需要写出单词的前两个字母就行;听后,结合语境,将句子补充完整(如果是动词短语,要特别注意时态,如果是名词,要注意单复数形式,如果是形容词等,则要关注词性的变化)。

 

7

SummarizingandAssigninghomework

(3mins)

Classactivity

Step1:

Sumupwhattheyhavelearntinthisclass.

T:

Pleaseworkinpairs.Tellyourpartnerwhatwehavelearnedtodayincludingwords,phrasesandsentences.

S1:

changeinto

S2:

stop…from…

S1:

wash…away…

S2:

blow…away…

Step2:

HMK:

Writeapassageabouthowsandstormcomesintobeing.

Sumupwhattheyhavelearntinthisclass.Telltheirpartnerwhattheyhavelearnedtodayincludingwords,phrasesandsentences.

S1:

changeinto

S2:

stop…from…

S1:

wash…away…

S2:

blow…away…

Writeapassageabouthowsandstormcomesintobeingaccordingto3.

Ⅶ.Blackboarddesign

Alltheseproblemsareveryserious.

SectionA

Words:

sand/sandstorm

although

desert

reduce

completely

Phrases:

changeinto

stop…from

blow/wash…away

humanbeing

asaresult

Sentences:

1.Alotofwatercanbesavedbyforests.

2.Althoughwehavebuilt“TheGreenGreatWall”,westill

needtodosomethingtoprotecttheenvironment.

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