人教版石家庄教科所高中英语评优课资料7 Unit 3 A Healthy Life课件.ppt

2021/8/9 星期一1 What is it?Play a gamePlay a gameOne Student reads the clues to the habits and the other one guesses the answer.2021/8/9 星期一2.careful person.It is a bad habit for males and females.You can become addicted to it.Some people think you are grownup if you do this.It makes you smell bad,and turn your teeth yellow.What is it?2021/8/9 星期一3Smoking2021/8/9 星期一4.careful person.It is a bad habit for bothmales and females.It is something you shouldnt start because you will be addicted to it.It is something which is illegal.It is a very expensive habit and so will waste your money.What is it?2021/8/9 星期一5drug taking2021/8/9 星期一6.careful person.It is a disease you can catch if you have unprotected sex.This illness stay in your body for a long time and eventually weakens your immune system.There is no cure at the moment for this illness.What is it?2021/8/9 星期一7AIDS2021/8/9 星期一8.careful person.It is a bad habit for males and females.It begins as a social activity at mealtimes.It only becomes a problem when a person has too much too often.It can become addictive and cause great harm to the body.What is it?2021/8/9 星期一9Drinking alcohol2021/8/9 星期一10.careful person.It is a bad habit It begins as It only becomes It is a diseaseIt is something.It makes you smell bad2021/8/9 星期一11.careful person.The use of It2021/8/9 星期一12 -What do you think of the movie?-Its one of the best movies that Ive seen.2021/8/9 星期一13Whos the lovely baby?My mother is Miss Wei.Its my baby.2021/8/9 星期一14 It can be used as personal pronouns（人称代词人称代词）,referring to the person,animal or matter mentioned above,or the person who you are not sure of gender.summary12021/8/9 星期一15a page from Peters dairy2021/8/9 星期一16 _ was a sunny day.Peter decided to go for a walk to the park,though _ was two miles away._ was so comfortable to walk on the street.ititIt Suddenly _began to rain.He found _ hard to walk there.Then he took a bus home.Unfortunately _ went wrong.When he got home,he was wet through.Thus _ was a day that he would never forget.Itititit2021/8/9 星期一17Eg:It was a sunny day.Peter decided to go for a walk to the park,though it was two miles away.Summary 2 It can be used as impersonal pronouns（非人称代词非人称代词）to talk about time,date,distance or weather and so on.2021/8/9 星期一18ReadingReading Advice from GrandadAdvice from GrandadA healthy A healthy lifelife2021/8/9 星期一191.It is not easy to stop smoking.2.It seems amazing that at my age I am still fit enough to cycle 20 kilometres in an aftermoon.3.You are founding it difficult to give it up.Summary 3 “It”can be used in the subject or object position to stand forthe infinitive（不定式）or a clause.2021/8/9 星期一20Rewrite these sentences using an“it”structure.1.Giving up smoking is difficult.It is2.Some young people think they look attractive when they smoke.It seems3.Most people believe smoking causes cancer.It is believeddifficult to give up smoking.that some young people think they look attractive when they smoke.that smoking causes cancer.2021/8/9 星期一214.You are not allowed to advertise cigrettes in this country.It is illegal5.You could suffer from bad health if you keep smoking.It is likely6.You have to take pills to control your bloody pressure.It is necessaryto advertise cigrettes in this country.that you could suffer from bad health if you keep smoking.for you to take pills to control your bloody pressure.2021/8/9 星期一22 Preparatory subject（形式主语）（形式主语）adj.difficult/easy Important n.pleasure/pity/shame/fun v.It is/wasIt is/was aItappearsseemslooks certainis saidthatto dothatto dothat2021/8/9 星期一23Preparatory object（形式宾语）（形式宾语）v.Sb.+thinkmake it find+adj.to do+that2021/8/9 星期一24Join the two sentences by using“it”as object.Jane thinks it funny that I have taken up Chinese kungfu.I have taken up Chinese kungfu.Jane thinks it is funny.2021/8/9 星期一25Role-play a dialogue.One of you is an eye witness(E)who has seen a robbery（抢劫）（抢劫）or an accident.The other is the Policeman /policewoman(P)who wants as much information as possible.Use“it”in the answers.2021/8/9 星期一26For example:P:What was the weather like on the day of the accident?E:It was beginning to rain hard and the ground was slippery（滑的）（滑的）.P:How far could you see?E:It was impossble to see more than twenty yards ahead of you,so all the cars were travelling very slowly.P:What about Mr Lis car?Was it travelling slowly too?2021/8/9 星期一27Sum Up It can be used as personal pronouns（人称代词）（人称代词）It can be used as impersonalpronouns（非人称代词）（非人称代词）It can be used in the subject or object position to stand for the infinitiv（不定式）（不定式）or a clause.2021/8/9 星期一28Review the use of it by doing the exercise on P57.Homework2021/8/9 星期一29 If you want knowledge,you must toil for it.要想求知，就得吃苦。2021/8/9 星期一30The use of“it”for emphasis可被强调可被强调的部分的部分除谓语之外的句子各成分。除谓语之外的句子各成分。基本句子基本句子结构结构It is/was被强调部分被强调部分that/who/whom+其其它。它。备注备注is既可强调现在的情况，既可强调现在的情况，也可强调过去的情况。也可强调过去的情况。Summary 42021/8/9 星期一31The use of“it”for emphasis可被强调可被强调的部分的部分除谓语之外的句子各成分。除谓语之外的句子各成分。基本句子基本句子结构结构It is/was被强调部分被强调部分that/who/whom+其其它。它。备注备注is既可强调现在的情况，既可强调现在的情况，也可强调过去的情况。也可强调过去的情况。Summary 42021/8/9 星期一32We called on Professor Wang at his office this morning.weProfessor WangEg:It was we who/that called on Professor Wang at his office this morning.It was Professor Wang whom/that/who we calledon at his office this morning.2021/8/9 星期一33We called on Professor Wang at his office this morning.at his officethis morningIt was at his office that we called on Professor Wang this morning.It was this morning that we called on Professor Wang at his office.2021/8/9 星期一342021/8/9 星期一35