Book2 unit4 warming-up和reading知识点

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1、Book2unit4知识点1.wildadj.：livinginanaturalstate,notchangedorcontrolledbyhumanse.g.wildflowersawildrabbitwildlifen.(不可数)：animalsandplantsgrowinginnaturalconditionse.g.awildlifepark2.dieout灭亡、绝种、逐渐消失、熄灭e.g.Thedinosaursdiedoutmillionsofyearsago.Bythetimehelefttheca

2、ve,thefirehaddiedout.diefrom通常指因（外界因素的影响）而死亡；dieof通常指因（疾病、情感、饥寒等）而死亡；dieaway逐渐减弱、逐渐模糊、逐渐消失。用以上含die的短语填空。1)Thefishinthelakehasdiedoutbecausethewaterisseriouslypolluted.2)Inbigcitiesduringcoldwintermonths,manyoldpeoplediefromthepollutedair.3)Shewaiteduntilthefoo

3、tstepshaddiedaway.4)Thepoorwomandiedofhunger.5)Elephantswoulddieoutifmenwereallowedtoshootasmanyastheywished.3.inpeace和平地;和睦地e.g.Theroommatesliveinpeacetogether.6.beindanger(of)处于危险之中,有……的危险e.g.Carolisindangeroflosingherjob.Somewildanimalsareindangerofdyingout

4、.outofdanger脱离危险e.g.Thedoctorsaidthatthepatientwasoutofdanger.用danger短语的适当形式填空。1)Jackwasindangeroflosinghislifebecauseofhisseriousdiseaseoftheheart.2)Whenthebridgewasindanger,thewholevillagerushedouttorepairit.4.long作动词时，后接不定式“todo”或以for引导的介词短语，意思是对……渴望，很想有……。

5、e.g.I’mlongingtoseeyouagain.Shelongedtohaveaholidaytogohomeandseeherfamilyagain.Childrenarealwayslongingforholidays.45.furn.(不可数名词)软毛;毛皮afurcoate.g.Shewaswearingasilverfoxfurtippetacrosshershoulders.她肩上披了一件银狐皮披肩。Hegaveheranexpensivefurforherbirthday.他送给她一件昂贵的毛

6、皮衣服作为生日礼物。6.InreliefDaisyburstintolaughter.黛西如释重负，突然笑了起来。inrelief如释重负;松了口气reliefn.轻松感；欣慰感e.g.Aftertheexam,Ifeltanincrediblesenseofrelief.考试过后，我感到无比轻松。relieffromsth.减轻……e.g.Thedruggivessomerelieffrompain.这种药可以减轻一些痛苦。Thosewhosufferfromheadachewillfindtheyget____

7、_fromthismedicine.A.reliefB.safetyC.defenseD.shelter【点拨】选A。题意：那些头痛的人会发现这种药物能减轻疼痛。relief符合题意。safety安全；defense防御，防护；shelter遮蔽，庇护。burstintolaughter突然笑起来burstinto…突然（进入某种状态或发生某种情况）e.g.Theaircraftcrashedandburstintoflames.飞机突然坠地起火。burstin闯入;突然出现;突然发作burstout大呼;惊叫;冲

8、出;突然发作7.mercyn.仁慈；慈悲showmercytosb.对某人起了怜悯之心e.g.Theyshowedmercytotheirenemies.他们对敌人很仁慈。atthemercyof任……处置；无能为力e.g.Theshipwasatthemercyofthestorm.那只船在暴风雨中失去控制。8.Theyallowedtouriststoh