高中英语导学案与练习unit4 wildlife protection 语言点

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1、Unit4Wildlifeprotection语言点编稿：张桂琴目标认知重点词汇:mercy，affect，decrease，loss，reserve，hunt，contain，certain，appreciate，succeed重点短语:dieout，protect...from...，payattentionto，indanger重点句型:1.“主语+be+形容词+todo”结构。2.Itwillbelongbefore…+从句知识讲解重点词汇【高清课堂：词语精讲】mercy【原句回放】Farmershunteduswithoutmercy.

2、农民们毫不留情的猎杀我们【点拨】1.mercy(cn./un.)仁慈；宽容；怜悯Theyshowedmercytotheirenemies.Hisdeathwasamercy.Theshipwasatthemercyofthestorm.Mercy(onus)!Whatanoise!mercykilling2.Adj.merciful仁慈的，宽容的。Shewasmercifultotheprisoners.Thisjudgeismercilesstowardsanyonefoundguiltyofmurder.3.Adv.mercifullyTh

3、eplaywasverybad,butmercifullyitwasalsoshort!【拓展】atthemercyofsb./sth.任……处置；对……无能为力；任由摆布throwoneselfonsb’smercy指望某人能宽容withoutmercy残忍地affect【原句回放】Itcontainsapowerfuldrugwhichaffectsmosquitoes.它含有一种影响蚊子的强效药物【点拨】affect (Vt.)影响；使感动。Thechangeinclimatemayaffectyourhealth.Theiropinion

4、willnotaffectmydecision.Cancerhadaffectedhislungs.Weweredeeplyaffectedbythenewsofherdeath.Sheaffectedaforeignaccent.辨析：affect,effect,affectionAlcoholaffectsdrivers'concentration.Alcoholhasaverybadeffectondrivers.Hefeltgreataffectionforhissister.Africahasalwayshadaspecialplace

5、inmyaffections.【拓展】Have/produceaneffecton对……有影响comeintoeffect生效；实施beofnoeffect无效的；无用的decrease【原句回放】Iftheirhabitatisthreatenedortheycannotfindenoughfood，theirnumbersmaydecrease．如果它们的栖息地受到威胁或它们不能找到足够的食物，它们的数量就会减少。【点拨】decreasev.&n.(1)vi.&vt.降低，减少，使(变小)[搭配]decreasein在……方面减少from在…

6、…基础上减少to减少到……by减少了……Thenewunemploymentfigureshavedecreasedfromlastmonth．新的失业人数比上个月有所减少。Thenewspaperhasdecreasedinsize，butnotinquality．这份报纸虽然版面减少了，但质量并未降低。Themember8decreasedtothreehundred．会员减少至300人。Themembersdecreasedbythreehundred．会员减少了300人。(2)n.减少，减少的数量Therehasbeenasteadyde

7、creaseinpopulationinthiscity．这个城市的人口在不断地减少。【拓展】onthedecrease在减少[特别提示]decreasev.减少[近]reducev.减少[反]increasev.增加loss【原句回放】lossofbamboogrowingareas竹子生长地的丧失【点拨】lossn.(1)[U]损失；遗失；丧失Didyoureportthelossofyourjewellerytothepolice?你有没有把你丢失珠宝的事告诉警方?(2)损失，损坏Thecompanysufferedaheavylossas

8、aresultofthatmistake．因为那次错误，公司损失惨重。He’lltryhisbesttomakeuptheloss．他将