人教新课标高二英语选修6第四单元 Unit 4 Global WarmingBook 6 学案含答案Word文档下载推荐.docx

人教新课标高二英语选修6第四单元 Unit 4 Global WarmingBook 6 学案含答案Word文档下载推荐.docx

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《世纪金榜》P42-43：

文本研析：

整体阅读First,Second,Third

II.【While-class】

Step1.Groupdiscussion

Step2．Consolidation

A.Fastreading:

readthepassagequicklyandanswerthequestionsbelow.

1.Whowrotethemagazinearticle?

Whatisthenameofthemagazine?

2.Whatarethenamesofthethreescientistsmentionedinthearticle?

3.Whatdotheythinkaboutglobalwarming?

Dotheyagreewithoneanother?

4.Whatisthemaintopicofthearticle?

B.Skimming:

skimthepassagetodecidethefollowingsentencestrueorfalse.

1.Thetemperaturelastcenturydidn’tincreasemuch.（）

2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.（）

3.JaniceFosterbelievesthatglobalwarmingiscausedbyburningfossilfuels.（）

4.Naturalgasisagreenhousegas.（）

5.PeopleacceptCharlesKeeling’sdatabecausehetookaccuratemeasurements.（）

6.Carbondioxideisabyproductofburningfossilfuels.（）

C.Detailedreading

1.Whatdothetwographsshowus?

Theyshowthatthe____________________andthe________________havebeenincreasing

2.Whoarethetwoscientists?

Andwhataretheiropinionsaboutglobalwarming?

Name

Opinions

_____________

Carbondioxidehascausedtheglobaltemperatureto__________.

Anincreaseoffivedegreeswouldbea________________and

couldbe________________.

______________

Morecarbondioxideisa________________thing,whichmakesplants____________________;

crops___________________andwillencourage______________________________.

D.Blanksfilling

When1._______________（compare）withmostnaturalchanges,thatthetemperatureoftheearthroseaboutonedegreeFahrenheitduringthe20thcenturyisquiteshocking.Andit’shumanactivity2._______________hascausedthisglobalwarmingrather3.________________arandombutnaturalphenomenon.DrJaniceFosterexplainsthatweaddhuge4.__________________ofextracarbondioxidetotheatmospherebyburningfossil5._________________.Fromthesecond6.________________andthediscoveryofCharlesKeeling,allscientistsbelievethattheburningofmoreandmorefossilfuels7._________________（result）intheincreaseincarbondioxide.Greenhousegasescontinuetobuildup.Somethinkthatthetrendwouldbea8._________________.Ontheotherhand,GeorgeHambley9.__________________（statement）thatmorecarbondioxidewouldencourageagreaterrangeofanimalsandbringus10._________________betterlife.

Step4．Presentation

Step5．Summary

III.【Post-class】

Self-reflection

Keys:

Ⅲ.【While-class】

1.SophieArmstrongwrotethemagazinearticle.Thenameofthemagazineis“Earthcare”.

2.TheyareDr.JaniceFoster,CharlesKeelingandGeorgeHambley.

3.Therearesomeverydifferentattitudesamongscientiststowardsthisissue.

Somethinktheeffectswillbeterrible,whilesomeothersbelievethatweshouldnotworryaboutit.

4.Globalwarming/Thewarmingoftheearth.

TTFTFT

1.temperature;

carbondioxidecontent

2.

JaniceFoster

Carbondioxidehascausedtheglobaltemperaturetogoup.

Anincreaseoffivedegreeswouldbeacatastropheand

couldbeveryserious.

GeorgeHambley

Morecarbondioxideisapositivething,whichmakesplantsgrowquicker;

cropsproducemoreandwillencourageagreaterrangeofanimals.

1.compared2.that3.than4.quantities/amounts5.fuels6.graph7.hasresulted8.catastrophe9.states10.a

Unit4GlobalWarming（Book6）

Period2LanguagepointsinReading1

1.Learnandgrasptheimportantusefulnewwordsandexpressions.

2.Learntheimportantusefulsentencesandpatterns.

3.Makesentencesaftertheusefulexpressions.

1.LearningDifficultPoints.

2.Understandsomedifficultandlongsentences.

Ⅰ.【Pre-classhomework】

A.TranslatethephrasesintoEnglish:

1.发生；

造成

2.同意；

赞成；

订购

3.大量的

4.上升；

增长；

升起

5.导致

6.反对

7.即使

8．继续

9.与……相比；

将……比作

10.继续做某事

11.人类活动

12.由于

13.温室气体

14.温室效应

15.化石燃料

16.倾向于做某事

17.引起某人做某事

18.改善生活

19聚集；

逐步建立

20.急剧增长

B.Makesentencesusingthefollowingwordsandphrases:

1.comeabout

2.quantity

3.tend

4.resultin

5.oppose

6.consequence

7.range

8.glance

Ⅱ.【While-class】

Step1Discussion

Ssdiscusstheirpre-classhomeworkingroup

Step2Presentation

Step3Consolidation:

1.Thereisnodoubtthattheearthisbecomingwarmer.

翻译：

______________________________________________________________________

仿写：

毫无疑问，汽油的价格正在上涨。

___________________________________________________________________________

2.Itishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.

3.ItwasascientistcalledCharlesKeelingwhomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997.

他是在1988年加入共青团的。

错的是你。

这消息他最早是从贝蒂那儿听来的。

4.Thatprobablydoesnotseemmuchtoyouorme,butitisarapidincreasewhencomparedtoothernaturalchanges.

生活常常被比作航行。

如果你将英式足球与美式足球相比，你就会发现很多不同。

5.Thereisanaturalphenomenonthatscientistscallthe‘greenhouseeffect’.

现在有工厂放出废水污染环境这样的自然现象。

eabout2.subscribeto3.quantitiesof4.goup5.resultin6.beopposedto

7.evenif8.keepon9.compareto10.continuetodosth.11.humanactivity

12.dueto13.greenhousegases14.greenhouseeffect15.fossilfuels

16.tendtodosth.17.causesb.todosth.18.makelifebetter19.buildup

20.arapidincrease

Step3．Consolidation

1.翻译：

毫无疑问，地球正在变暖

Thereisnodoubtthatthepriceofgasisgoingup.

2.翻译：

是人的活动引起全球变暖而不是一种无规律的自然现象

3.翻译：

是一个叫CharlesKeeling的科学家曾经把1957-1997年期间大气层中二氧化碳的含量作了精密的统计。

Itwasin1988thathejoinedtheLeague.

Itwasyouwhohadbeenwrong.

ItwasfromBettythathefirstheardthenews。

4.翻译：

那对你我来说好像无关紧要，但与其他自然变化相比，它却是一种快速的增长。

Lifeisoftencomparedtovoyage.

IfyoucompareBritishfootballwithAmericafootball,you’llfindmanydifferences.

5.翻译：

有一种科学家称之为“温室效应”的自然现象

Thereisanaturalphenomenonthatfactoriesletoutwastewatertopollutetheenvironment。

Period3GrammarTheuseof“it”（Ⅱ）

Learnabouttheuseof“it”inemphasissentencestructure.

Howtouse“it”inemphasissentencestructure.

Learnhowtousetheuseofitcorrectly.

Ⅰ.【Pre-classhomework】

1.Trytounderstandthemeaningofthesentences

（1）Humanactivityhascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.

Itishumanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.

（2）Theburningofmoreandmorefossilfuelshasresultedinthisincreaseincarbondioxide.

Itistheburningofmoreandmorefossilfuelsthathasresultedinthisincreaseincarbondioxide.

（3）AscientistcalledCharlesKeelingmadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997.

ItwasascientistcalledCharlesKeelingwhomadeaccuratemeasurementsoftheamountofcarbondioxideintheatmospherefrom1957to1997.

语法规则：

It用于构成_______，该强调句的基本句型结构是：

________________________。

在强调句中，去掉“_________________________________”，剩余的部分仍能成为一个_______句子，且该句子的意思与带有强调句结构的句子意思仍然完全______。

2.Drawaconclusionaccordingtothesentences.

（1）ItwasKoreantelevisionjournaliststhat/whofilmedlongsectionsofrehearsaloftheopeningceremony.

Itis/was+_____+that/who+句中剩余部分

（2）Itisameetingthattheywillhavetomorrow.

（3）Itwasinthishousethatweheldtheparty.

（4）ItwasnotuntilshetookoffhersunglassesthatIrealizedshewasmyfavoritesportsstar,GuoJingjing.

________________+被强调部分+that/who+句中剩余部分

注意：

根据上边例子可知，强调句可以强调一个句子中除定语、谓语以外的任何句子成分。

Step1.Lead-in

Step2.Groupdiscussion

A.Completethesentenceswithproperwords.

1.ItwasontheearlymorningofApril1st___________heleftforBeijing.

2.Itwastheplace___________theyoncestayedthreeyearsago.

3.Itwasawinterm