冀教版（新教材）七年级下册英语Unit 8《I love nature》Lesson 4教学课件.pptx

教,学,课,件,冀教版七,年级下册英语,（新教材）,Unit,8 I love nature!,七下英语,JJ,第,4,课时,Lesson 4 Its time to protect them!,1.,知识目标：,New words:,loss,wildlife,naturally,die,expand,housing,industry,harm,nearly,risk,hunt,disease,southeast,habitat,pollution,Structures and expressions:,for example,die out,at risk,be famous for,because of,2.,能力目标：,以,“,保护野生动物,”,为话题，使用所学词汇和,句型介绍如何保护野生动物Learning goals,1,Match the words with the pictures.Do you know which animals are endangered?Talk with your partner.,Pre-,reading,Asian elephant,Learning Tips,Endangered animals are those that are at risk of dying out.They must be protected to keep our environment balanced.,tiger,snow leopard,blue whale,wolf,giant panda,2,Read the passage and answer the question.,Loss of wildlife can happen naturally.Dinosaurs,for example,died out about 65 million years ago.,Loss of wildlife can happen because of human activity.,Expanding housing,industry,and farming harms wildlife.,A study from 2016 shows that nearly 72%of the endangered animals are at risk because of hunting and fishing.Nearly 62%are endangered by farming,35%by city development,and 27%by diseases.,While-reading,For example,long-nosed monkeys live in Southeast Asia.,They are famous for their large noses.But now,they,become endangered because of habitat loss,pollution,and hunting.,2,Read the passage and answer the question.,What can you find in the 2016 study about the loss of wildlife?,_.,The loss of wildlife happens mainly because of human activities,While-reading,Language points,1.Loss of wildlife can happen naturally.,（教材,P106 2),loss/l,s/,n.,丧失,;,损失,;,去世,the loss of.,的丧失,at a loss,不知所措,困惑,a sense of loss,失落感,The loss of the first game did not discourage them.,第一场,比赛的失败并没有令他们沮丧。

Her uncle was at a loss.,她的叔叔不知所措When she died,I was filled with a sense of loss.,她去世后我心里充满了失落感She felt very lonely after the loss of her husband.,她的丈夫去世后她感觉很孤独Language points,Language points,【拓展】,(1)lose,动词,失去,;,输掉,;,丢失,其过去式和过去分词均为,lost,2)lost,形容词,迷路的,;,丢失的,lose ones way=get lost,迷路,【语境串记】,Bad luck!The,loss,of the map made me get,lost,easily in the strange city.,真倒霉,!,在这个陌生的城市里,地图的,丢失,让我,很容易,迷路,Language points,2.Dinosaurs,for example,died out about 65 million years ago.,(,教材,P106 2),for example,例如，比如,【辨析】,such as,与,for example,短语,相同点,不同点,such as,均表示部分列举,列举对象通常为同类的人或事物。

常位于列举对象之前,列举对象可以是名词,(,短语,),或动词,-ing(,短语,),for example,常用逗号与列举对象隔开,可位于列举对象之前或之后列举对象可以是名词,(,短语,),、动词,-ing(,短语,),等，还可以是句子She does well in many subjects,such as maths,physics and chemistry.,她很多学科都学得很好,例如数学、物理和化学Id like to keep a pet,for example,a cat.,我想养个宠物,比如一只猫People think his paintings are masterpieces.For example,the painting,Sunflowers,is very famous all over the world.,人们认为他的画都是杰作例如,向日葵这幅画世界闻名Language points,die/da,/,v.,灭亡；死；死亡,过去式为,died,现在分词为,dying,His mother died when he was very young.,他的母亲在他很小时就去世了。

He died a hero.,他英勇就义拓展】与,die,相关的词：,Language points,She thought of her dead dog and felt very sad.,想到她死去的狗，她感到很难过His death made us surprised.,他的死让我们很吃惊That cat is dying.,那只猫快要死了Language points,Language points,3.Expanding housing,industry,and farming harms wildlife.,(,教材,P106 2),harm/h,m/,v.,&,n.,损害,;,伤害,(1),动词,损害；伤害,Ocean acidification can harm or kill some kinds of sea life.,海洋的酸化可能伤害或杀死数种海洋生物2),名词,伤害；损害,do harm to.,伤害,Whats more,cold weather does harm to the batteries.,更重要的是,寒冷的天气会损害电池Language points,【拓展】,harmful,形容词,有害的,导致损害的,harmless,形容词,无害的,不会导致损伤的,be harmful/harmless to.,对,有害,/,无害,Noise is a kind of pollution and it,is harmful to,(=does harm to)our hearing.,噪声是一种污染，对我们的听力有害。

This medicine is harmless to human beings.,这种药对人类无害Language points,4.A study from 2016 shows that nearly 72%of the endangered animals are at risk because of hunting and fishing.(,教材,P106 2),risk/r,sk/,n.,危险,;,风险,v.,冒,的危险,(1),可数名词,&,不可数名词,take risks/take a risk,冒险,the risk of.,的风险,at risk,处于危险之中,take/run the risk of doing sth.,冒险做某事,cut down the risk of.,降低,的风险,Language points,We do not expect untrained people to take risks.,我们不希望未经培训的人员去冒险We dont want to run the risk of losing their business.,我们不想冒险失去他们的生意。

You should alwgys wear a helmet as this can cut down the risk of getting hurt on the head in an accident.,你应该一,直戴着头盔,因为这可以降低在事故中头部受伤的风险2),动词,冒,的危险,;,冒险做,;,使冒风险,risk ones life,冒着生命危险,risk doing sth.,冒险做某事,He who risks nothing,gains nothing.,不入虎穴,焉得虎子It takes lots of love and courage to risk their own lives to save someone elses.,冒着自己的生命危险去救别人需要很多的爱和勇气Dont risk running the machine yourself.,不要冒险自己去操作机器Language points,Language points,5.They are famous for their large noses.(,教材,P106 2),be famous for,因,而著名,【辨析】,be famous as,be famous for,与,be famous to,be famous as,作为,而出名,后常接表示职位、身份等的词。

be famous for,因,而出名,后接出名的原因be famous to,为,所熟知,后常接人语境串记】,Edison,is famous as,an inventor in the world,，,and he,is famous for,his inventions.He,is famous to,people all over the world.,爱迪生,作为,一个发明家,而闻名,于世,他,因,他的发明,而闻名,他,为,全世界的人,所熟知,Language points,Language points,6.But now,they become endangered because of habitat loss,，,pollution,and hunting.,（教材。