高一英语Unit10 The world around us language points[原创]人教版 课件.ppt

cutdown
1)togetsth.downbycutting砍倒
树被砍倒了,因此老虎再也不能躲藏也不能捕食.
Treesarecutdownsothetigerscannolongerhideandhunt.
2)toreducetheamountofsth.减少(数量,规模)
这个煤厂的规模被减为原来的一半.
Thecoalfactorywascutdowntohalfitsformer(原来的)size.
cutoff
1)toseparatesth.bycuttingitfromthemainpart.切断
我们正在考试时突然停电.
Electricitywascutoffwhenwewerehavinganexam.
2)cutofffrom与…隔断
那个荒芜的小山村完全与外界隔绝.
Thedesertedmountainvillageiscompletelycutofffromtheoutsideworld.cutinto
tomakesth.into…bycutting切成
妈妈叫我把肉切成片.
Mothertoldmetocutthemeatintopieces.
cut[sth.]up
tocutintosmallpieces切碎
他很生气,把书都弄碎了.
Hewassoangrythathecutthebookup.turnn.
该我做清洁.
It’smyturntodothecleaning.
taketurns(at)doingsth.,taketurnstodosth.
因为我们轮流驾车,所以都不觉得累.
Sincewetookturnsdriving,wedidn’tfeelthetriptiring.
inturn(s):oneafteranother轮流
老师叫我们轮流谈谈濒危动物.
Theteachertoldustotalkaboutendangeredanimalsinturn.
v.
他的父母希望他成为一个科学家,但最后他成了一个律师.
Hisparentswishedhimtobeascientist,butintheendheturnedlawyer.Aspeciescanbecomeendangeredfordifferentreasons.物种濒临危险有各种原因。en前缀
danger---endanger
nv
courageencourage
largeenlarge
asaresult，因此，结果=therefore
asaresultof+宾语因此，结果
Thetreewascutdown;asaresult(ofit),thebirdslosttheirhome.
Shefelloffthehighbarwhenplayinggym.Asaresultofherwound,shecouldn’twalkanylonger.

species=sort/kind物种,种,类以-s结尾,单复数同形,常见的还有means,works
aspeciesofgrassdieout:灭绝
如果我们再继续捕杀动物,总有一天他们会灭绝.
Ifwecontinuetokillanimals,theywilldieoutoneday.
这个村的传统风俗已经消亡了.
Thetraditionalcustomsofthevillagehavediedout.
dieoff:逐渐死亡,相继死亡
一种怪病袭击了这个地区,村民都相继死亡.
Astrangediseaseattacked/struck/hitthearea,the
villagersdiedoff.
dieaway/down:减弱,平息
汽车的噪声在远处逐渐平息.
Thenoiseofthecardiedaway/downinthedistance.cause
[C]sth.thatmakessthhappen原因,起因.
这起交通事故的起因是什么?
Whatisthecauseofthetrafficaccident?
[U]reason,sth.thatsb.explainsforsth.原因.
不必担心.
Thereisnocauseforworry.
[C]anaimthatpeoplefightfor事业.
她把自己献身于妇女权利这项事业.
Shedevotedherselftothecauseofwomen’sright.tomakesth.happen引起,使发生.
堵车是引起这起事故的原因.
Itisthetrafficjamthatcausedtheaccident.
causesbtodo:makesbdo
一条狗跑到路中间,使司机停下了车.
Adogranintotheroad,causingthedr