Unit 5 Using language 课件-(2022）新外研版高中选择性必修第四册《英语》.pptx

1、Using language Unit 5 Into the unknown目录contents Grammar:noun clausesFacing the unknownHomeworkListening&speakingIIIIIIGrammarLook at the sentences from the reading passage and answer the questions.a.Although his theory has been dismissed by scholars,it shows how powerful the secrets of Ancient Maya

2、 civilisation are among people.b.But the greatest mystery of all is what caused the Maya to abandon most of their great cities.c.Why Maya civilisation collapsed remains a mystery.Grammar:noun clauses1.Which sentence contains a clause that serves as the subject of the sentence?2.Which sentence contai

3、ns a clause that serves as the object of the sentence?3.Which sentence contains a clause that gives further information about the subject in the sentence?4.What do“how”,“what”and“why”in each sentence refer to?Look at the sentences from the reading passage and answer the questions.Grammar:noun clause

4、s1.Which sentence contains a clause that serves as the subject of the sentence?Sentence c.a.Although his theory has been dismissed by scholars,it shows how powerful the secrets of Ancient Maya civilisation are among people.b.But the greatest mystery of all is what caused the Maya to abandon most of

5、their great cities.c.Why Maya civilisation collapsed remains a mystery.Grammar:noun clauses2.Which sentence contains a clause that serves as the object of the sentence?Sentence a.Grammar:noun clausesa.Although his theory has been dismissed by scholars,it shows how powerful the secrets of Ancient May

6、a civilisation are among people.b.But the greatest mystery of all is what caused the Maya to abandon most of their great cities.c.Why Maya civilisation collapsed remains a mystery.3.Which sentence contains a clause that gives further information about the subject in the sentence?Sentence b.Grammar:n

7、oun clausesa.Although his theory has been dismissed by scholars,it shows how powerful the secrets of Ancient Maya civilisation are among people.b.But the greatest mystery of all is what caused the Maya to abandon most of their great cities.c.Why Maya civilisation collapsed remains a mystery.4.What d

8、o“how”,“what”and“why”in each sentence refer to?a.Although his theory has been dismissed by scholars,it shows how powerful the secrets of Ancient Maya civilisation are among people.“how”refers to the extent of power of Ancient Maya civilisations secrets;Grammar:noun clauses4.What do“how”,“what”and“wh

9、y”in each sentence refer to?b.But the greatest mystery of all is what caused the Maya to abandon most of their great cities.c.Why Maya civilisation collapsed remains a mystery.“what”refers to the thing that caused the Maya to abandon most of their great cities;“why”refers to the reason that Maya civ

10、ilisation collapsed.Grammar:noun clauses名词性从句主语从句宾语从句表语从句同位语从句一个句子放于主语的位置上一个句子放于宾语的位置上一个句子放于表语的位置上一个句子放于同位语的位置上Grammar:noun clausesNow look for more sentences with noun clauses in the reading passage.1.Based on this,he believed he had spotted an unknown Maya city buried deep in the jungle.2.What is

11、most extraordinary about these complex structures is how they were built without the use of wheels,metal tools or even animal power.宾语从句主语从句表语从句Grammar:noun clauses4.It is possible that the Maya people unknowingly reduced their ability to deal with natural disasters.3.The fact that Maya society was

12、technologically primitive makes its achievements all the more incredible and mysterious.同位语从句主语从句形式主语Grammar:noun clauses怎样使用名词性从句的引导词呢？原则：1.缺什么填什么，啥也不缺，填 that,缺主语，缺宾语，表示“什么人，什么事，什么东西”用 what。2.名词性从句都是陈述句语序。Grammar:noun clauses想一想，下列句子应该用什么引导词？是什么从句？（注意从句语序）1.Although his theory has been dismissed by

13、 scholars,it shows _ powerful the secrets of Ancient Maya civilisation are among people.2.But the greatest mystery of all is _ caused the Maya to abandon most of their great cities.3._ Maya civilisation collapsed remains a mystery.howwhatWhy宾语从句表语从句主语从句陈述句语序Grammar:noun clauses4._ is most extraordin

14、ary about these complex structures is _ they were built without the use of wheels,metal tools or even animal power.5.The fact _ Maya society was technologically primitive makes its achievements all the more incredible and mysterious.6.It is possible _ the Maya people unknowingly reduced their abilit

15、y to deal with natural disasters.Whathowthatthat主语从句表语从句同位语从句主语从句陈述句语序Grammar:noun clausesComplete the passage using noun clauses with words in brackets.There are many mysteries about dinosaurs to which we long to find explanations.You may think that dinosaurs were big,green and scaly,right?In fact,

16、it seems that they appeared very different from 1 _(think).what we thinkGrammar:noun clausesIn recent years,scientists have worked out 2 _(look):many of them were small with feathers.However,3_(have)feathers still isnt clear it might have been for communicating or for staying warm,but not just for f

17、light.Scientists also believe that many dinosaurs had bright colours.It seems 4_(depend on)their habitats.That is,dinosaurs which could fly would have had different colours to those living in the sea.what they looked like/how they lookedwhether they had that depended onGrammar:noun clausesTalk about

18、 what caused the disappearance of dinosaurs using noun clauses where appropriate.You may use the notes to help you.What caused the disappearance of dinosaurs:1.a huge meteorite hitting Earth2.ash and gas from erupting volcanoes3.diseaseGrammar:noun clausesAmong the many unsolved mysteries about dino

19、saurs,what really interests me is their disappearance.One possible explanation is that Grammar:noun clausesTalk about what caused the disappearance of dinosaurs using noun clauses where appropriate.You may use the notes to help you.Work in pairs.Do research into another extinct creature.Share your i

20、deas about why it disappeared using noun clauses where appropriate.Do further research if necessary.Grammar:noun clausesFacing the unknown Read the passage and answer the questions.Pay attention to the words and expressions in bold.Facing the unknownWhen something strange or unfamiliar happens,the f

21、light instinct can kick in.Often,making a quick getaway is a sensible and understandable natural response,dating back to a time when our ancestors were running for their lives from dangers,such as wild animals,lightning and fire.So while you may be tempted to check out a strange object or to test th

22、e waters of a new situation,it can be safer to steer clear of the unfamiliar.迅速逃走避开，绕开Facing the unknown However,not everyone chooses to follow this instinct.Instead of retreating to their caves,some of our ancestors chose to subdue their fears and pursue the unknown-and this curiosity led them to,f

23、or instance,discover the use of fire.撤退到征服Facing the unknownIn more recent times,Norwegian explorer,Roald Amundsen endured one of the most hostile environments on Earth when he set out into uncharted territory to reach the South Pole.These reactions help humankind delve into the unknown and advance

24、towards a more progressive and civilised society.Of course,exploration doesnt have to mean blindly throwing ourselves into the unknown,and its never wrong to think twice before taking action.While there is no need for us to shrink from new situations,we should always look into things first and consi

25、der our options.忍耐，忍受打算，着手钻研，探究三思而后行退避调查考虑我们的选择 Facing the unknown1.What is the flight instinct?Why do some people react that way in the face of the unknown?Flight instinct is our instinctive reaction to get away from a strange,unfamiliar or dangerous situation.Some people react that way in the face

26、 of the unknown because it is a sensible and understandable natural response.Facing the unknown2.What other reactions could people have when facing the unknown?Some people choose to overcome their fears and face the unknown.Avoiding Facing the unknownPut the words and expressions in Activity 5 into

27、the table.Add any more you can think of.making a quick getawayrunning for their lives fromsteer clear of retreating to shrink fromExploring Facing the unknowncheck outtest the waters of set out intodelve intotaking actionPut the words and expressions in Activity 5 into the table.Add any more you can think of.OvercomingHesitating Facing the unknownsubdueenduredthink twicelook intoconsider our options Put the words and expressions in Activity 5 into the table.Add any more you can think of.HomeworkHomeworkSummarize the usage of noun clauses and do the relevant exercises.