高中英语 Unit 4 Wildlife pretection词汇导练Part 1课件 新人教版必修2 课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 4 Wildlife protection,重点词汇导练,Part 1 Warming up and Pre-reading,1.decrease,vt,./vi.&n.,减少，降低,If their habitat is threatened or they cannot find enough food,，,their number may,decrease.,如果其栖息地受到威胁，或者无法觅取足够的食物，它们的数量就可能减少。,(P25),读一读,阅读下列句子，归纳,decrease,的词性意义和用法。,The price of this type of MP3 player has decreased by 15%.,(,词性,:,vi.,；意义,:,减少,;,搭配,:,表示“减少了”,),The number of new students decreased from 210 to 160 this year.,(,词性,:_,意义,:_,搭配,:,表示“从,减少到,”),vi.,减少到,They are making every effort to decrease the production cost.,(,词性,:_,意义,:_),The decrease in unemployment was 30 percent.,(,词性,:_,意义,:_),vt,.,减少,n.,减少,练一练,选择,decrease/increase,并用其正确形式填空。,The number of visitors _ sharply in the past two months.The _ worries the manager.“Something must be done to _the number of visitors.”he thought.,increase,has decreased,decrease,decrease by,减少了,decrease(from.)to.(,从,),减少到,increase v.&n.,增加，增长,increase by,增加了,increase(from.)to.,从,),增加到,记一记,2.die out,灭绝,As a result these endangered animals may even,die out,.,结果，这些濒危动物甚至可能灭绝。,(P25),读一读,阅读下列句子，体会与,die,相关短语的不同意思。,Elephants would,die out,if man shot as many as they wished.(),He hid behind the door until the foot steps,had died,away.(),灭绝,逐渐减弱,逐渐消失,练一练,用,the death of,、,die from,、,die out,、,dying to,的正确形式填空。,Kathy is always 1_ see species of wildlife.She appreciates that many types of plants and animals 2 _in the wild every year,，,and most of them 3_ too much hunting and destruction of their habitats.She bursts into tears every time she hears about 4 _ wild animals.,the death of,dying to,die out,die from,die out,灭绝,die away,逐渐减弱，逐渐消失,die for,为,而死,die of/from,因,而死,记一记,3.loss,n.,丢失，迷失,.loss of bamboo growing areas.,竹子生长区的消失。,(P25),读一读,阅读下列句子，指出划线单词的词性、意义和用法。,You will lose your job if you keep on like this.,(lose,词性,:_,意义,:_),vt,.,失去,Lost time is never found again.,(lost,词性,:_,词义,_ ),I am at a loss what to do next.,(loss,词性,:_,词义,_ ),adj.,丢失的,失去的,n.,丢失，迷失,练一练,用,lose,的适当形式填空。,She was at a _ when she heard the news that her son was_ in the forest.She couldnt bear(,承受,)the thought of _him.Fortunately,，,her son was just _ in studying a special type of wild animal and forgot the time to go home.,lost,loss,lost,losing,at a loss,不知所措，困惑,be lost in,sth,.,全神贯注，沉浸于,be lost in thought,陷入深思,记一记,4.hunt,vt/vi/n,打猎，搜寻,.too much hunting in the 1950s.,在,20,世纪,50,年代的过度捕猎。,(P25),读一读,阅读下列句子，归纳,hunt,的词性、意义和用法Police,are hunting for,a thief who broke into the house yesterday.,(,词性,:_,意义,:_,搭配：,hunt for,意为,_ ),正在追捕,v.,寻找,Hundreds have joined in a police hunt for the missing teenager.,(,词性,:_,词义,_),Since the 1970s tiger hunting has been illegal in this country.,(,词性,:_,词义,_),搜寻,打猎,n.,n.,练一练,用,hunt/hunter/hunting/hunt for,的正确形式填空。,Mr.Smith is an excellent _ who used to make a living by _ wild animals.After wild animal _was forbidden he had to go to the city to _ a new job.,hunt for,hunter,hunting,hunting,hunt for,搜寻，追踪,go hunting,去打猎,job hunting,找工作,house hunting,找房子,记一记,5.in peace,和平,/,和睦,/,安祥地,.about 30-40 remain after being left in peace with no hunting.,在免受捕猎打扰后，约有,30,到,40,只存留下来。,(P25),读一读,阅读下列句子，体会与,peace,相关短语的不同意思。,He just wants to be left,in peace,.,(,意义,_),The countries have been,at peace,for more than a century.,(,意义,_),和平,/,和睦,/,安祥地,处于和平局面,练一练,用,in peace/at peace/at war,填空。,All the villagers live together _.,The two countries used to be _ with each other.Fortunately,now they are _.,in peace,和平,/,和睦,/,安祥地,at peace,处于和平局面,at war,处于战争状态,记一记,at peace,in peace,at war,goodbye,