高中英语-Unit4 Language points教学课件设计

U4B2Step1ReviewofWordsandexpressions野生动植物野生的,未开发的栖息地恐吓;威胁(v.)减少;使变小危害,使受到危险损失;遗失(n.)保护区打猎，猎取wildlifewildhabitat[ˈhæbɪtæt]threatendecreaseendangerlossreservehunt10.地域；地带11.物种，种类12.地毯13.回答；回应,作出反应14.远的，远处的15.皮毛，软毛16.减轻；解除(n.)17.笑声；笑18.确定的，某一的19.擦，摩擦zonespeciescarpetrespond(v.)distantfurrelief—relieve(v.)laughtercertainrub—rubbed—rubbed20.昆虫21.包含；容纳22.强大的，有利的23.影响；感动；侵袭insect

24.成功

25.收入26.损害；危害27.咬，叮containpowerfulaffectsucceedincomeharmbite—bit—bittenPhrase1．结果________________2．灭亡；逐渐消失________________3．和平地；和睦地；安详地_____________4.在危险中；垂危________________5．保护……不受……(危害)________________6.如释重负，松了一口气______________7．形成；产生__________________8．想/喜欢做某事__________________________9．转身___________________10.根据________________11.无疑____________asaresultdieoutinpeaceindanger(of)protect...frominrelief

comeintobeingfeellikesth./doingsth.turnaround/roundaccordingtoforsureStepⅡLanguagepointsdecrease

Populationgrowthisdecreasing

15%eachyear.Bankbaserateshavefallenfrom10percentto6percent—a___________of40percent.Fewerandfewerpeopledrinkteanow,sothedemandforteais___

thedecrease.

decreaseondecreaseby/to以……（的百分比）下降/下降到onthedecrease/increase在下降/上升by

单句语法填空2.dieoutAsaresulttheseendangeredanimalsmayeven

.

观察思考

Manytraditionalcustomshavediedoutbecausetheyareoutofdate.

因为已经过时，许多传统风俗正逐渐消失。

Thefireisdyingout.You’dbetteraddsomefirewood.

火快灭了，你最好添点柴火。dieout归纳总结dieout意为：

dieaway（声音、光线、风等）渐渐消失diedown平息；（渐渐）熄灭；缓和dieoff（家族、种族等）相继死亡；（草木等）先后枯死dieof/from死于……bedyingforsth./todosth.极想得到某物/渴望做某事灭亡，灭绝；逐渐消失Elephantswoulddie

ifmenwereallowedtohuntasmanyastheywished.Hisparentshavedied

inthelasttwoyears,whichmadehimverysad.Hedied

awoundinhischest.Shewaiteduntilthefootstepsdied

.

outofffromaway用介副词填空(1)_________________(如释重负)shewenthome，thinkingshewasabletoliveabetterlifefromthenon.(2)________________(使他大为欣慰的是)，thedifficultieswereovercome.(3)Itwas_______________(使人宽心的事)tofindtheyweresafe.(4)Doingexercisecanhelp_________(减轻)pressure.

Inrelief/withreliefTohisgreatreliefagreatrelief3.reliefrelieverelief(n.)—relieve(v.)agreatrelief/inrelief使人宽心的事/如释重负toone’srelief让人安心的是……完成句子完成句子(1)We________________(对……毫不留情)thosewhoturnagainstourcountry.(2)Mostfarmersare______________(任由……摆布)theweather.(3)DuringtheWorldWarII，manyJewswerekilled_________________.(残忍地，无情地)4.mercyshownomercytoatthemercyof

withoutmercymercy(n.)—merciful(adj.)—mercifully(adv.)shownomercyto对……毫不留情atthemercyof任由…摆布withoutmercy：mercilessly5.protect...from...I’m

myself

mosquitoes.

观察思考

Heraisedhisarmtoprotecthischildfromhurt.

他伸出手去，保护他的孩子免受伤害。

Theyhuddledtogethertoprotectthemselvesfromthewind.

他们挤在一起，免受风吹。protectingfrom归纳总结protect...from...意为：

。(1)protectagainst和protectfrom意思相似，有时可互换，但是，对于较大的事情，如：敌人的入侵、天灾等，常用protectagainst,对于较小的事情常用protectfrom。(2)在protect...from/against...结构中，from和against后面常跟sth.,有时against后跟beingdone来强调动作的被动性。(3)主动句中prevent/stop...from...中的from可省略，在被动句中from不可省略，而keep...from...中的from无论在主动句还是在被动句中都不能省略。(4)prevent/keep/stopsb./sth.fromdoingsth.阻止某人做某事/阻止某事发生保护……不受……(危害)单句语法填空（1）Heiswearingsunglassestoprotecthiseyes

thestrongsunlight.

（2）Weyoungpeopleshoulddosomethingwecan

(keep)thesea

(pollute).tokeepfrombeingpollutedfrom6.affectItcontainsapowerfuldrugwhichaffects

mosquitoes.

观察思考

Thetaxincreaseshaveaffectedusall.

加税已经影响了我们大家。

Theiropinionwillnotaffectmydecision.

他们的意见不会影响我的决定。

Weweredeeplyaffectedbythenewsofherdeath.

她死亡的噩耗使我们深为感伤。

Theconditionaffectsoneinfivewomen.

每五个妇女中就有一个人患有这种病。归纳总结affect

。begreatlyaffected很受感动haveaneffecton对……有影响ineffect实际上；事实上takeeffect开始起作用；见效vt.影响；感动；（疾病）侵袭完成句子（1）Thediseaseisbeginning

(侵袭到她的视力).（2）Doestelevision(对……有影响)children’sbehaviour?toaffecthereyesighthaveaneffecton7.appreciateYoushouldpaymoreattentiontotherainforestwhereIliveandhowtheanimalslivetogether.

观察思考

Hisworkswerenotappreciateduntilafterhisdeath.

直到他死后他的作品才受到重视。

I’dappreciatesomehelp.

如果有人帮忙我将非常感激。

Idon’tthinkyouappreciatethedangerofthisjob.

我觉得你没有认识到这项工作的危险。appreciate归纳总结appreciate

。appreciate+n./doing感激（欣赏；觉得……；感谢……）appreciateit+if从句感激……vt.欣赏，赏识；感谢；察知；觉得单句改错（1）Ireallyappreciatetohavetimetorelax.（2）Ishallappreciateifyouwilldomethatfavour.答案：（1）tohave→having（2）if前加itExercisesⅠ.用所给单词的正确形式填空1．Allshedreamsisa________andcomfortablelifeinasmallvillagebythesea.(peace)2．________(protect)policiesshouldbecarriedouttosavethe___________(danger)animals.3．The________decidedto________Tomashersecretaryandshehopedtohaveatalkwithher________beforehecametowork.(employ)4．Putthisplantintothis________(contain)．Itisvery__________(effect)tomosquito-bites.peacefulProtectiveendangeredemployeremployemployeecontainereffective5．Peterhadthoughtthebosswas________，buthewas________andhefiredPeterwithout_______(mercy)．6．Heopenedthe________(dust)bookandcoughed________(fierce)．7．IfeltbadasI___________(affect)byhiscriticism.Thankyouforyour___________(appreciate)myworkandyour____________(appreciate)mademeconfidentagain.mercifulmercilessmercydustyfiercelywasaffectedappreciatingappreciationⅡ.用适当的短语填空

TheteachergotangrywithmewhenIdidn’t___________________herlectures.Areyou_______________losingyourjobinthepresentfinancecrisis?Nooneknows___________whathappenedtothiskindofanimalatthattime.

payattentiontoindangerofforsure

dieoutinpeaceindangerofinreliefburstintopayattentiontoforsure

Noonehascomeupwithaconvincingexplanationofwhydinosaur______________.Theplanecrashedintothehillsideand___________flames.Theyprefertolive___________inthecountryside.Whenhesawhischilddidn’tgetinjured,hesighed______________.

died