Unit 3 单元语言点讲解课件-（2022）新北师大版《高中英语》选择性必修第一册.pptx

1、language pointsunit 3 单元语言点讲解the road to destructionFocus on word choices AdjectivesVerb phrasesWord choices Focus on word choices Match the adjectives and nouns to make meaningful expressions.Use each expression to make a sentence.entireendangeredsignificantnaturalmasssolarchangeresourcesextinction

2、speciesenergyanimalsFocus on word choices 1.Climate change is happening right now.It is the most urgent threat facing our entire species and we should work together to stop the trend.2.Many natural parks have been built to protect endangered animals.3.We should make significant changes about the way

3、 we live.Focus on word choices 4.If we try our best to recycle the wastes,we can reduce pollution and conserve natural resources.5.During the fifth mass extinction event,dinosaurs disappeared on Earth.6.Solar energy is energy that comes from the sun and it can be used in many ways in our daily life.

4、Focus on word choices Focus on word choices AdjectivesVerb phrasesWord choices Focus on word choices 1.Extinctions,where entire species are wiped out,are not unusual in our Earths history.(Para.1)wipe out:to destroy or get rid of something completelyObservation:You can never wipe out the past.One do

5、se of penicillin can wipe out the infection.Warmer sea temperatures have caused large areas of coral to be wiped out.Focus on word choices 2.Experts say that it is not yet too late,if we take action now.(Para.4)take action:to do something to deal with a problemObservation:Its time for us to get rid

6、of these bad habits and take action to protect the environment.To keep fit,you have to take action and do some exercises.Focus on word choices 3.For example,we need to take steps to save endangered species,including setting up special areas where plants and animals can be protected.(Para.4)take step

7、s:to take measures set up:to arrange,organize or build Observation:The government must take steps to protect the rain forest.They set up many branches throughout the country.Focus on word choices In the last 500 million years,there have been five mass extinction events on Earth.In the third event,wh

8、ich 1 _ the“Great Dying”,90%to 96%of all species 2 _.Of course,species died out due to many causes.But nowadays,human activity 3 _ all types of species that we 4 _ for living.die out be known as have affected depend on wipe outtake steps take action set up take care of is known asdied outhas affecte

9、ddepend onFocus on word choices die out be known as have affected depend on wipe outtake steps take action set up take care of We need to 5 _ to avoid the sixth mass extinction.We should 6 _ to save endangered animals and plants,and 7 _ special areas to 8 _ them before the next extinction comes that

10、 may 9 _ the entire species.take actionset uptake care ofwipe outtake stepsFocus on word choices Writing features DataExamplesExperts/scientistsAdjectivesTheSixthExtinctionExpositionSummaryVerb phrasesWord choices SummarylOur environment needs protection.我们的环境需要保护。The car needs washing.The car needs

11、 to be washed.这辆车需要洗了。这辆车需要洗了。(need doing 主动表被动主动表被动，相当于相当于need to be done)Focus on languagelOur environment needs protection.我们的环境需要保护。与与need doing主动表被动主动表被动，相当于相当于need to be done用法相似用法相似的动词还有的动词还有:want,require,deserve 等等。等等。The heroic deed deserves praising.The heroic deed deserves to be praised.英

12、雄事迹值得赞扬。英雄事迹值得赞扬。Focus on language阅读下列句子阅读下列句子，写出句中与写出句中与need 相关的词组和含义相关的词组和含义 There is no need to worry about him.There is no need to do 做做没有必要没有必要 There is no need for further discussion on the issue.There is no need for 没有必要没有必要Focus on language Relief should be given to people in need.in need 有需

13、要的有需要的 They printed another 10,000 books to meet the needs of the readers.meet the need(s)of 满足满足的需求的需求 You neednt have taken a taxi.It is only a 3-minute walk.neednt have done 本不需要做本不需要做Focus on language单句语法填空 A friend _ need is a friend indeed.The meat needs _(roast)before being served.There is no

14、 need _(bother)him.We can manage it by ourselves.inroasting/to be roastedto botherFocus on languagelI really feel strongly that we need to change the way we live in order to protect our planet.我确实强烈地感到，为了保护我们的星球，我们需要改变我 们的生活方式。the way后加后加定语定语从句时从句时，表示表示“的方式的方式”，通常可以用通常可以用in which,that引导或者不加引导词。引导或者不

15、加引导词。I dont like the way you talk to your mom.I dont like the way that you talk to your mom.I dont like the way in which you talk to your mom.我不喜欢你跟你妈妈讲话的方式。我不喜欢你跟你妈妈讲话的方式。Focus on languagelConservation is a state of harmony between men and land.保护是一种人与土地的和谐状态。保护是一种人与土地的和谐状态。state n 状态状态He is now in

16、 a critical state.If he can pull through,everything will be fine.他现在处于关键的状态。如果他能挺过去他现在处于关键的状态。如果他能挺过去，一切都会好起来。一切都会好起来。Focus on language阅读下列句子阅读下列句子，写出句中与写出句中与 state相关的词组、词性和含义相关的词组、词性和含义 The state-run news agency released breaking news this morning.state-run adj 国营的国营的 The law does not state clearly

17、 what information is fake.state v 说明说明Focus on languagelAnd the fifth event,which occurred 66 million years ago,caused the death of the dinosaurs.第五次物种大灭绝事件发生在第五次物种大灭绝事件发生在6,600万年前万年前，导致了恐龙导致了恐龙的死亡。的死亡。Focus on languagelMany scientists say we are now entering the Earths sixth mass extinction.This ti

18、me,human activity will be to blame.许多科学家说许多科学家说，我们现在正在进入地球的第六次大灭绝。我们现在正在进入地球的第六次大灭绝。这一次这一次，人类活动将是罪魁祸首。人类活动将是罪魁祸首。Focus on languagelWithout forests,we would have no air to breathe.没有森林，我们就不能呼吸空气。I couldnt live such a life without a good wife.没有一个好妻子没有一个好妻子，我无法过我无法过上上这样的生活。这样的生活。这个句式中的这个句式中的“without+名词名词”替代了一个虚拟的条件状替代了一个虚拟的条件状语从句语从句:If I didnt have a good wife,I couldnt live such a life.Focus on languageHomeworkHomeworkChoose two or three environmental problems that are caused by human activity.Offer solutions.Try to use relative clauses where appropriate.