Unit5 Discovering useful structures （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、 Unit5 Working the Land Discover useful structures s subject clauseubject clause人教版人教版 选择性必修选择性必修 第一册第一册Lead inCircle the simple subject in each sentence.Time flies.The boy didnt attend school today.You are a student.To find the missing book is not easy.Smoking is bad for you.Driving too fast is dan

2、gerous.Eat your dinner with a spoon.My favorite older brother,who just started tenth grade,rides his bike to school.Lead-inMore than 800 million people go to bed hungry every day.His lifelong pursuit is to keep all the people away from hunger.He considers himself a farmer because he continually work

3、s the land in his research.Yuans innovation has helped to feed more people.Who will take part in the meeting has not been decided.How he became a great scientist is known to us all.What she said is true.That he is still alive is a good news to us.Where she is from is unknown.We can see from these se

4、ntences that a sentence serves as subject,so we call it Subject Clause.Underline the subject in each sentence.Lead-in 1.(P50)However,_ concerned him most was _ farmers often had poor harvests and sometimes even had a serious shortage of food to eat.2.(P50)However,_it was possible to develop a hybrid

5、 of self-pollinating plants such as rice was a matter of great debate.3.(P50)Today,_ is estimated _about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains,and his strains have allowed Chinas farmers to produce around 200 million tons of rice p

6、er year.4.(P51)_impresses people most about YLp is his ongoing ability to fulfil his dreams.whatthatwhetheritthatwhat感知以下课文原句Feel the sentences in red.1.However，what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat.2.However，whether

7、 it was possible to develop a hybrid of self-bollinating plants such as rice was a matter of great debate.3.Today，it is estimated that about 60 per cent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains，.4.What impresses people most about Yuan Longping i

8、s his ongoing ability to fulfill his dreams.1.以上以上加颜色加颜色部分部分在句中在句中作作 。2.1句和句和4句中的句中的what在从句中在从句中作作 。3.2句中的句中的whether意为意为“”。4.3句中的句中的it是是 ，真正的主语是后面真正的主语是后面的的 。主语主语是否形式主语that引导的从句Conjunctions That the earth moves around the sun is well known.Whether he will come or not is not known yet.Who will be sen

9、t there has not been decided.What you need is more practice.Which one is the best is not clear.When they will come hasnt been made public.Where he has gone is a question.Why there is gravity is hard to understand.How he can earn a living in Britain remains a big problem.1.That he will pass the exam

10、is certain.2.Whether he will pass the exam is uncertain.uthat _成分，成分，_意义，意义，u_省略。省略。uwhether _成分，成分，_意义，意义，u译为译为_。不做不做是否是否无无不能不能不做不做有有 Compare and Discover 11.Who will take part in the meeting has not been decided.2.What she said is true.3.Which book I shall choose hasnt been decided.uwho在主语从句中充当在主语

11、从句中充当 _,u译为译为 _。uwhat在主语从句中充当在主语从句中充当 _,u译为译为 _。uwhich在主语从句中充当在主语从句中充当 _,u译为译为 _。主语主语谁谁宾语宾语东西东西定语定语哪一哪一 Compare and Discover 2 1.When they will start is not known yet.2.Where she is from is unknown.3.Why he was late is not important now.4.How he became a great scientist is known to us all.uwhen在主语从句

12、中充当在主语从句中充当 _,u译为译为 _。uwhere在主语从句中充当在主语从句中充当 _,译为译为 _。uwhy在主语从句中充当在主语从句中充当 _,u译为译为 _。uhow在主语从句中充当在主语从句中充当 _,u 译为译为 _。状语状语何时何时状语状语何地何地状语状语为什么为什么状语状语怎样怎样 Compare and Discover 31.Whoever leaves the room last ought to turn off the lights.2.Whatever he did was right.3.Whichever of you comes in will recei

13、ve a prize.Compare and Discover 4uwhoever在主语从句中在主语从句中充当充当 _,译译为为 _。uwhatever 在主语从句中在主语从句中充充当当 _,译译为为 _。uwhichever在主语从句中在主语从句中充充当当 _,译译为为 _。主语主语无论谁无论谁主语主语无论什么无论什么主语主语无论哪个无论哪个功能功能连接词连接词不作成分不作成分that,whether作主、宾、表、作主、宾、表、what,who,whom,wh+ever作定语作定语which,whose,作状语作状语when,where,why,how Usage of the Conjun

14、ctionsSummary1.is strange that the man should have stuck to his silly ideas.2.It is a pity we wont be able to go to the south to spend our summer vacation.3.occurred to me that I had left keys behind.4.is said that he has gone to Shanghai.(=He is said to have gone to Shanghai.)5.It is known to all g

15、unpowder was first invented by the Chinese.ItthatItItthat Fill the blanks and Discover 句型说明It系动词形容词主语从句常用于此句型的形容词有important，(un)likely，possible，necessary，natural，wrong等。It系动词名词主语从句常用于此句型的名词有a fact，an idea，an honour，a wonder，no wonder，a pity等。It系动词过去分词主语从句常用于此句型的过去分词有known，proved，said，decided，suggest

16、ed，thought等。It不及物动词主语从句常用于此句型的动词有appear，happen，seem，occur，matter等。It is very important that a student(should)learn English well.学生学生学好英语很重要。学好英语很重要。It is suggested that the meeting(should)be put off.有人建议会议延期召开。有人建议会议延期召开。It depends on the weather whether they are going shopping today.他们今天是否去购物还得看天气情

17、况。他们今天是否去购物还得看天气情况。For example，it can be proved that China has more people than any other country in the world.举例来说，中国人口比世界上其他任何国家的人口都多，这是可举例来说，中国人口比世界上其他任何国家的人口都多，这是可以得到证实的。以得到证实的。It is no wonder that your students have made such great progress.难怪你的学生们进步这么大。难怪你的学生们进步这么大。A.What worries many peopleB.

18、That the lifestyle is slower and healthierC.How we can find a suitable solution to produce sufficient food while keeping the environment safeD.When these wheat farmers will join this pilot experimentE.It amazed all of us thatMatch the sentence parts,and then translate the completed sentences into Ch

19、inese.Pay attention to how the subjects are introduced differently.1._ remains an unanswered question.2._ is an important topic for us to research.3._ is that these chemicals may even cause cancer.4._ these vegetables can even be planted without any soil through this new technology.5._ is the reason

20、 why some people prefer to live in the country rather than in the city.BEACDPractice1Read the passage and underline all the subject clauses.P53 3Grandma has been complaining about the vegetables sold in the supermarket,which have been grown using chemical fertilisers.That they look beautiful on the

21、outside is obvious.However,what she is unhappy about is the lower nutritional value and reduced flavour.Now that both of my grandparents have retired from their jobs in the city,how they are going to spend their retirement is an important decision for them.Whether they can live a healthy life is the

22、 first thing they are considering.So they have made up their minds to move to the countryside,where they can live a green life.1234Practice2What qualities do you think make a person like Yuan Longping so successful?his/her determination to tackle the crisis of his/her intense effort to overcome his/

23、her dream to develop his/her love and care for he/she succeeded in he/she never gave up he/she is devoted to What impresses me most is that What makes him/her a great is that It is important that Whether depends on That is his/her most important quality.Work in groups.Have a discussion and prepare a

24、 presentation.The following points and expressions may help you.Practice3Possible version When talking about Yuan Longping,the famous scientist in China,what impresses me most is that his determination to overcome the enormous difficulties troubling most people at that time.It is his most important quality that he is devoted to his career.Besides,that he never gives up learning and strives to realize his dreams deeply touches me.In my opinion,how he loves and cares for farmers drives him to go on and make great achievements.