Unit 5 Discover useful structures & Using structures （ppt课件）-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、XB1U5 Discover useful structures高中英语新人教版选择性必修一WORKING THELANDLook at the complex sentences below and state the funtions of the noun clauses intalicised.Then find similar complex sentences from the text.1.What Yuan Longping really cared about was not money or celebrity.2.That Yuan Longping had realiz

2、ed his dream of seawater rice surprised the whole world.3.What concerned him most was that famers often had poor harvests and sometimes even had a serious shortage of food to eat.4.Whether it was possible to develop a hybrid of self-pollinating plants such as rice was matter of great debate.5.How th

3、is could be done was challenging question at the time.6.It is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains.Activity 2.Match the sentence parts and then translate the completed sentences into Chinese.Pay attention to h

4、ow the subjexts 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 why some people prefer

5、to live in the country rather than in the city.A.What worries many peopleB.That the lifestyle is slower and healthier.C.How we can find a suitable solution to produce sufficient food while keeping the environment safe.D.When these wheat farmers will join this pilot experiment.E.It amazed all of us t

6、hatDCAEBActivity 3 Read the passage and underline all the subject clauses.Then in pairs,discuss whehter the sentences with subject clauses can be paraphrased.Grandma has been complaining about the vegetables sold in the supermarket,which have been grown using chemical fertilisers.To her,that they lo

7、ok beautiful on the 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

8、 healthy life is the first thing they are considering.So they have made up their minds to move to the countryside,where they can live a green life.Activity 4What qualities do you think make a person like Yuan Longping so successful?Work in groups.Have a discussion and prepare a presentation.The foll

9、owing points and expressions may help you.his/her determination to tackle the crisis ofhis/her intense effort to overcomehis/her dream to develophis/her love and care forhe/she succeeded inhe/she never gave uphe/she is devoted toWhat impresses me most is that What makes him/her a greatis thatIt is i

10、mportant thatWhetherdepends onThatis his/her most important quality.1.What impress me most is that Yuan Longping has succeeded in helping to feed so many people.2.It is important that he never gave up,despite many difficulties.3.That he succeeded in realizing his dream is what makes him great.Sugges

11、ted AnswerW o r k b o o k Activity 1 Rewrite the sentences using subject clausesEXAMPLE Id like you to find out how new technologies can increase grape production in Binchuan county.What Id like you to find out is how new technologies can increase grape production in Binchuan county1.We wanted to kn

12、ow where he had lost the laptop.Where_was what we wanted know.2.The way in which he did the experiment was puzzling to other people.How_was puzzling to other people.he had lost the laptophe did the experiment Activity 1 Rewrite the sentences using subject clauses3.Do they use too many chemical pesti

13、cides?I worry about this most.Whether_ is what I worry about most.4.People are happy to see that the living conditions and income of the farmers have improved a lot.That_makes people happy.5.We have not decided on the date for the sports meet yet.When_has not been decided on yet.they use too many ch

14、emical pesticidesthe living conditions and income of the farmers have improved a lotthe sports meet will be held Activity 2 Make sentences using subject clauses with the help of the cues.EXAMPLE he thought/completely wrong What he thought was completely wrong.1.he said/reasonable._2.she will accept

15、the invitation/not clear yet._3.the animals are moving to/not exactly known _4.you have recovered from your illness/a great relief to us _5.he has become distant recently/my concern _What he said seems reasonable.Whether she will accept the invitation is not clear yet.Where the animals are moving to

16、 is not exactly known.That you have recovered from your illness will be a great relief to us.That he has become distant recently is my concern.Activity 3 Circle and correct the mistake in each sentence.1.What have I forgotten is that I have a test today._2.Who left me these flowers are not clear to

17、me._3.This is obvious that students should prepare well for their future._4.Whos ticket this is has not been confirmed._5.When the test will be given have not been decided._What I have forgotten is that I have a test today.Who left me these flowers is not clear to me.It is obvious that students shou

18、ld prepare well for their future.Whose ticket this is has not been confirmed.When the test will be given has not been decided.Activity 4 Combine each pair of sentences using the word in brackets.1.Can we control pests without causing any ill effects?This still remains a question.(Whether)_2.Agricult

19、ure is the foundation of our country.This is well-known.(It)_3.Some less developed countries are suffering from food shortages.It is a serious problem in the world.(That)_ _4.Some herdsmen in Inner Mongolia fix electronic sensors to their cattle to monitor their movements.It is true that they are do

20、ing this.(It)._ _Whether we can control pests without causing any ill effects still remains a question.It is well-konwn that agriculture is the foundation of our countryThat some less developed countries are suffering from food shortages is a It is true that Some herdsmen in Inner Mongolia fix elect

21、ronic sensors to theircattle to monitor their movements.serious problem in the worldActivity 5 5.The overuse of chemicals in farming has caused serious pollution in nature.Prepare a speech about what worries you most and how to deal with the problem.It is quite common/important/necessary thatWhether

22、depends onThatis whatWhat matters most is thatSuggested AnswerIt is quite common for chemicals to be used in farming and to cause pollution.While many people focus on pesticides,what worries me most is the use of chemical fertilizers.These chemicals easily get into our water supply,and can also have

23、 a negative impact on fish and other animals.What is worse,eventually they will reach the ocean,where they cause trouble with marine environment.There are many areas near the coast where fish can no longer live because of changes in the ocean water,and where different kinds of bacteria and algae gro

24、w in such abundance that it is no longer safe or even possible to enjoy swimming in the ocean or going to the beach.That farmers are in a hurry to increase their crops and make more money is probably the reason.The solution,I think,is government subsidies for farmers,and research on natural ways to increase crop production.While this is a difficult problem to solve,we can see our way through if we work together.