U2Period 3 Language Focus（ppt课件）-2022新人教版（2019）《高中英语》必修第二册.pptx

1、Language Focusn By the end of this period,you will be able to1.master the usage of such important words and expressions as reserve,make out,observe,remind,recover,remove,intend,threat etc;learn to express yourself by using them.2.learn the method of constructing knowledge trees through self-study&co

2、operative exploration.3.enjoy the fun of expressing yourself using English and participate in class with passion.1.What do you know about the Tibetan antelope and the Changtang National Nature Reserve?你对藏羚羊和羌塘国家自然保护区了解多少？【词块】know about_【单词】reserve n.（动植物）保护区；储藏（量）vt.预订；预留；保留了解；知道.的情况归纳总结归纳总结a nature

3、 reserve_ in reserve 储备，备用reserve sth.for sb./sth._reservation.保留;预定without reservation毫无保留 make a reservation_为预订/保留某物自然保护区 观察思考观察思考 The local government set up a reserve to protect the endangered species.为了保护濒危物种，当地政府建立了一个保护区。A double room with a balcony overlooking the sea had been reserved for h

4、im.个带一座阳台的海景双人间已被预留给他了。Ive made a reservation for you on the morning flight.我为你预订了早上的航班。预订即学活用即学活用（1）These seats are reserved_ the elderly and women with babies.（2)“Its such a nice place,”Mother said as she sat at the table _（reserve）for customers.（3）Keep a few pounds_（备用）to cover unexpected costs.(

5、4)Ill call the restaurant to_(预订).forreservedin reserve make a reservation2.On the plain in front of us,we can just make out a herd of graceful animals.放眼平原，我们隐约看到一群体形优美的动物。【词块】make out_ a herd of 一群观察思考观察思考：Although he had not seen his sister for twenty years,Tom made her out as soon as she got off

6、 the plane.尽管他二十年没有见过他的姐姐,姐姐一下飞机汤姆就认出了她。He determined to work twice as hard as before to make up for the lost time.他决定加倍努力工作,把失去的时间补回来。看清；听清；分清联系拓展联系拓展make up_ make up for_ make it _ make up ones mind 下定决心make room for 为腾地方 make good/full use of 好好/充分利用即学活用（1）I could barely _(看清)the stage in the dar

7、kness.（2）American Indians _(构成)about five percent of the US population.（3）Caroline doesnt have a gift for music,but she_(弥补)it with hard work.make up make out组成，构成弥补，补偿及时到达；取得成功makes up for3.This is why were hereto observe Tibetan antelopes.这就是我们来这里的原因观察藏羚羊。【句型】why 引导_,This/That is why.这/那就是的原因。观察思考

8、 I was late for the appointment.Thats because I met with an old friend on the way.我约会迟到了,因为我在路上碰到一位老朋友。The world has become a global village.Thats why more and more people in China are interested in learning English.世界己变成了一个地球村,那就是越来越多的中国人对学英语感兴趣的原因。表语从句归纳归纳总结总结why,because 和that 引导的表语从句：This is why+

9、_ This is because+_ The reason why./for.is that+原因即即学活用学活用（1）From space,the earth looks blue.This is_about seventy-one percent of its surface is covered by water.（2）The other boys made fun of Toms new hairstyle.This is_he is unhappy.结果原因whybecause【单词】observe vt.观察（到）；注视；遵守；庆祝 观察思考观察思考Anyone who come

10、s here must observe the rules.任何来这里的人必须遵守规定。Could you tell me how you usually observe Thanksgiving Day in your country?你能告诉我在你们国家如何庆祝感恩节吗？I observed him put the watch into his pocket.我看到他把手表放到了自己的口袋里。When I passed by his house,I observed him playing in the yard.当我从他房子旁经过时，我看到他正在院子里玩。I observed the b

11、ird caught by the boy.我看到那只小鸟被男孩抓住了。The man was observed to enter the bank by the police.警方注意到那男子进入了银行。归纳总结归纳总结observe sb.+_ sth.注意到某人正在做某事（动作正在进行）observe sb.+_ sth.注意到某人做了某事（动作的全过程）observe sb./sth.+_ 注意到.被做observe sb.do sth.变为被动语态时，不定式要加上 toobserve traffic rules 遵守交通规则 observe the Spring Festival 庆

12、祝春节doingdodone即即学活用学活用(1)Thousands of people observed the ship_（leave）the harbour.(2)They are shocked to find that in this beautiful town the traffic rules are not strictly_（observe).leavingobserved4.Im also reminded of the danger they are in.我也意识到了它们所处的危险。【单词】remind vt.提醒;使想起观察思考 Please remind me t

13、hat I should bring him a present for his birthday.请提醒我给他带生日礼物。What the teacher had said reminded me of the famous saying,”Where there is a will,there is a way.”老师的话让我想起了“有志者,事竟成”的名言。Remind me to buy some milk tonight.提醒我今晚买些牛奶。归纳总结归纳总结 remind sb.of _ 提醒某人做某事_ remind sb.that/wh-从句.提醒某人联系拓展联系拓展cure sb

14、.of sth.治愈某人（病）rid sb.of sth.使某人摆脱某事inform sb.of sth.通知某人某事 warn sb.of sth.提醒/警告某人某事使某人想起remind sb.to do.即学活用（1）He reminded me _(turn)off the lights when I went out.（2）What he said just now remind me _ that Chinese professor.（3）Michael put up a picture of the man beside the bed to keep himself_ （rem

15、ind）of his own dreams.to turnofreminded5.The antelope population has recovered and in June 2015,the Tibetan antelope was removed from the endangered species list.藏羚羊的数量已经恢复，2015 年6 月，藏羚羊从濒危物种名单中被移出。【单词】recover vi.恢复；康复 vt.找回；寻回观察思考 To their joy,the thief was caught and many things were recovered.令他们

16、高兴的是,小偷被抓住了,而且很多东西被找回来了。He was told that it would be at least three more months before he could recover and return to work.他被告知他至少还需要3个多月才能恢复并返回工作岗位。归纳归纳总结总结recover from_ recover oneself _ recovery n.恢复，痊愈；复得，找回make a recovery from从中恢复过来make a full/quick/slow recovery 完全康复/恢复很快/缓慢前缀re-表示“重”“又”“再”等含义

17、。类似的还有repeat（重复），return（回来），rebuild（重建），review（复习），rewrite（重写，改写）等。即学活用(1)She recovered_ her surprise,and answered calmly.(2)About some minutes later,the girl recovered_（her）.(3)To his parents relief,the boy made a quick_（recover）after the operation.从中恢复静下心来 recoveryfromherself【单词单词】remove vt.去除;移开;

18、脱去 观察思考观察思考Only after he removed his dark glasses did I recognize him.他摘掉墨镜后我才认出他来。Because of the serious air pollution,the family decided to remove from the city to the countryside.由于空气污染严重,这家人决定从城市搬到乡下。归纳总结remove.from._remove sb.from ones post/office_remove sb.from school开除某人remove ones doubt/trou

19、ble/fear_ remove from.to.从搬到 即学活用(1)You look so worried.You must remove yourself_ pressure.(2)He _(被开除了）the post because he broke the rules and regulations 把从移开/撤掉撤职;开除消除某人的疑虑/烦恼/恐惧 was removed fromfrom6.The government,however,does not intend to stop the protection programmes，since the threats to th

20、e Tibetan antelope have not yet disappeared.然而，政府并不打算停止保护计划，因为对藏羚羊的威胁尚未消失。【单词】intend vi.&vt.打算；计划；想要观察观察思考思考 Im writing to tell you my exciting plan for the summer holiday.I intend to join/joining a Dragon Boat Training Camp.我写信是想告诉你我暑假令人兴奋的计划,我打算参加龙舟训练营。The headmaster intended Jim to deliver a spee

21、ch in front of the whole school.校长打算让吉姆在全校师生面前做演讲。归纳总结归纳总结intend to do/doing sth._ be intended to do 打算做某事 打算让某人做某事 _ be intended for _即学活用即学活用（1）The hunter intended_（sell）the goods to make a profit.（2）I looked carefully at the text and realized that it was intended _ women in the countryside.（3）The

22、 school to be built next month_（是为而设计的）disabled children.打算做某事intend sb.to do sth.是为而提供/设计的 is intended forto sell/sellingfor【单词单词】threat n.威胁 观察思考观察思考He is unlikely to be a threat to the Spanish player in the final.他不太可能在决赛中对西班牙球员构成威胁。The area remains under threat from commercial developers.该地区仍受到商

23、业开发商的威胁。归纳总结归纳总结a threat to._ under threat from _the threat of violence 暴力威胁联系拓展联系拓展threaten vt.威胁；危及threaten sb.with.用威胁某人 threaten to do sth.威胁做某事threaten ones life 危及某人的生命即学活用(4)These ancient woodlands _(受到的威胁)new road developments.(5)The fighting is _（对的一个很大威胁）safety in the region.对的威胁受到的威胁 a ma

24、jor threat to are under threat from7.Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.只有当我们学会与自然和谐相处，我们才能不成为野生动物和地球的威胁。【句型】only+状语从句置于句首引起_【词块】exist in harmony with nature_ be a threat to wildlife _ 观察观察思考思考 Only then did I realize the impor

25、tance of learning.直到那时我才意识到学习的重要性。Only in this way can we learn English well.只有用这种方式我们才能学好英语。Only when he told me the truth did I realize I was wrong.只有当他告诉我真相时我才意识到我错了。部分倒装与自然和谐相处对野生动物构成威胁归纳总结归纳总结“only+状语（副词/介词短语/从句）”提至句首以示强调时，后面的句子或主句要用部分倒装，即把助动词、情态动词或be 动词提到主语前面。如果不放在句首，则不用倒装。若only 修饰主语不倒装；only 修

26、饰状语从句时，状语从句本身不倒装。即即学活用学活用（1）_（那时他才知道）how much damage had been caused.（2）Only by talking face to face_（我们才能有机会）to persuade him to change his mind.（3）Only when Lily walked into the office_（她才意识到）that she had left the contract at home.did she realizeOnly then did he know can we have the chance I.在空白处填入

27、1个适当的单词或括号内单词的正确形式。1.Id like to change my _(reserve).2.On the top of Mountain Tai,people excitedly observed the sun _(rise)from the sea3.After the customer left the restaurant,the waitress removed the dishes _ the table.4.The journey was intended_（achieve）more than what Captain Robert Falcon Scott h

28、ad done.5.If their habitat_（threaten）or they cannot find enough food，their numbers may decrease.巩固提升巩固提升reservationrisingfromto achieveis threatenedII.写出下列句中observe的含义:1.Therefore,rules should be worked out and strictly observed._2.It is a tradition for the people here to observe the Spring Festival

29、._3.The scientist devoted most of his lifetime to observing the behaviour of the chimps._4.The thief was observed to open the window and run away._ 遵守 庆祝 观察 注意到 III.根据所给汉语及提示，完成下列句子。1.I cant_（弄明白）why I couldnt do it.In any case,Im going to try.2.According to a report the committee_(由.组成)12 numbers.3

30、.Even though he was hurt seriously in the car accident,he finally_ _(恢复)it.IV.句式转换 The reason for my quitting the job is that Im bored with it.Im bored with the job.Thats_ I have quitted it.I have quitted the job.Thats_Im bored with it.make outis made up ofmade a recovery fromrecovered from/becausew

31、hyV.翻译句子1.只有当我在英语口语比赛中获得一等奖时，我才意识到精通英语口语的重要性。(倒装)_2.这个旨在帮助无家可归者的计划成立了。_The program,intended to help the homeless,was set up.Only when I won the first prize in the spoken English contest did I realize it was important to have a good command of spoken English.1.Take notes of the usage of important words and phrases.2.Finish the exercises.