2013年高中英语 Unit2《Healthy eating》Learning about Language多媒体教学课件 新人教版必修3.ppt

1、Unit 2 Healthy eatingLearning about Language1lie get away withrawcuriosity customer benefitLearning about Language(P.12)1.Write down the words according to the meanings bebind.1 _something that you say is not true2 _not to be punished for something3_ uncooked4_ the strong wish to know about somethin

2、g.5_ someone who buys things or services from a shop,company,etc.6_a particular quality that gives someone or something an advantage2balanced diet rawslim ought to energeticlose weight lose heart lose interest lose face2.Fill in the blanks with words from the left box and paraphrase the italicized p

3、arts using the phrases from the right box.3Julie wanted to become thinner.She knew she_ eat more vegetables and fruit but little meat.However,as she was so afraid of being laughed at by her friends,she did not consult a doctor but lived on a_ of rice,_ vegetables,bananas and lemons.Three weeks later

4、,she found she weighed as much as ever.She felt so sad and hopeless about herself and her behaviourchanged.ought todiet raw4She didnt dare to face her boyfriend and she was unwilling to visit her friends any more.Luckily,her best friend Fred came to see her and encouraged her to exercise,eat a _ die

5、t and enjoy life again.Soon Julie became amazingly_ and_!She felt very happy.balancedenergeticslim5become thinnerlose weight being laughed at by her friendslosing face felt so sad and hopeless about herself lost heart was unwilling to visit her friends any more lost interest in visiting6Answer key t

6、o Exercise 3:1 pear;cream(fat and all the others are fruit)2 sugar;mutton(meat and all the others are energy-giving food)3 bacon;cabbage(vegetable and all the others are meat)4 strawberry;eggplant(vegetable and all the others are fruit)7modal verb (2)8ought toought to 用于表示想必会(语气较must 弱)：1.他们想必已到那儿了。

7、They ought to be there by now.2.他最好不要抽烟了。He ought to stop smoking.多数情况下，ought to可与should互换使用。ought to的反意疑问句用shouldnt替代。9You ought to have helped him with his English,_?A.wont you B.can not youC.shouldnt youD.wouldnt you【即学即练】10比较had better,should&ought to三者均表示建议，意为“应该”，“应当”或“最好做”。三者的语气程度为渐强。had bett

8、er指一般性的建议，最弱。should&ought to含义相近，常可互换。区别在于:ought to常指特殊情况下的“应当”；should则指一般情况。例句见下页。11You ought to help him because he is in trouble now.(语气强，有命令意味)You should have a rest after finishing your sports.（一般性建议）You ought to call the police when you find something wrong in your house.(语气较强)He should take c

9、are of the babies tonight.（一般情况）12have tohave to 表示客观需要去做的事情，意为“必须，不得不”。I have to get to the station early to catch the first train.We missed the bus so we had to walk home.We have to overcome all kinds of difficulties.13have to 有多种时态。常见的有：We will have to gather at the school gate at 7 tomorrow.一般将来

10、时I have to take more money with me because my girlfriend has so much to buy.一般现在时Finally,we had to give up our idea to hold a picnic outside as it rained for a whole afternoon.一般过去时14shall,should&ought toshall用于第一、三人称疑问句，征求意见或请求。shall用于第二，三人称陈述句，表示命令、警告、允诺、威胁。should 表示劝告，建议，命令，顺理成章ought to 疑问句中常用sho

11、uld代替ought toought to 表示应该，语气should 美语中，ought to用于否定句、疑问句时to 可省略。15Need I do?Yes,you must.No,you neednt.情态动词实义动词dare否，疑，条dare not do否,疑 dont dare to do dont dare do不用于肯定句肯：dare to do need否，疑neednt do(dont)need sth.(dont)need to do肯：must,have to,ought to,shoulddare&need16Must they do?Yes,they must.No

12、,they neednt/dont have to .must have to主观客观主观客观时态现在，将来多种表推测询问意愿否定意思禁止，不允许不必must&have to17比较must&have tomust表示主观意志，而have to表示由于客观因素不得不做的事情。must没有过去式，但是在间接引语中可表示过去的时间。在直接引语中表示过去的时间用had to代替。I told her that she must give up smoking.She said,“We had to get everything ready that night.”18注意对need问句的回答:Nee

13、d I finish the work today?Yes,_.No,_.No,_.you mustyou needntyou dont have to19neednt 对其他情态动词的回答:Shall I tell John about it?No,you _.Must we do it now?No,you _.neednt(dont have to)neednt(dont have to)20Could I borrow your dictionary?(委婉)Yes，you can/may.Sure.Go ahead.Please yourself.May I take this se

14、at?(第一人称疑问句)Yes,you may.No,you mustnt.211.I thought you _like something to read,so I have brought you some books.A.may B.might C.would D.must 2.Where is my pen?I _it.A.might lose B.would have lost C.should have lost D.must have lostB D【达标训练】223.I didnt hear the phone.I _ asleep.A.must be B.must have

15、 been C.should be D.should have been4.There were already five people in the car,but they managed to take me as well.It _ a comfortable journey.A.cant be B.shouldnt be C.mustnt have been D.couldnt have beenB D 235.Its seven.Jack _ be here at any moment.A.must B.need C.should D.could6.Is John coming b

16、y train?He should,but he _ not.He likes driving.A.must B.can C.need D.mayCD247.It has been announced that candidates(候选人)_ remain in their seats until all the papers have been collected.A.can B.will C.may D.shall8.I heard he went skiing last year.It _ true because there was little snow there.A.may n

17、ot be B.wont be C.couldnt be D.mustnt beDC259.Did the train arrive in time?No.It _ two hours ago.A.must have arrived B.ought to have arrivedC.must arrive D.ought to arrive10.Must I drive to his house and pick up the children?No,_.A.you shouldnt B.you might not C.you neednt D.you mustntB C 2611.We di

18、dnt see Tom at the meeting yesterday.He _ it.A.mustnt have attended B.cannot have attendedC.neednt have attended D.would have not attendedB 27C 12.You _ such a long composition.The teacher only asked for 300 words.You have written 600 words.A.mustnt have written B.couldnt have writtenC.neednt have w

19、ritten D.do not have to write2813.There is someone knocking at the door.it be Tom?A.Can B.Must C.Should D.Ought to14.Two years ago,my husband bought me a bicycle.If you live in the town,it is often faster than a car and you worry about parking.A.must not B.may not C.should not D.dont have toA D29Ans

20、wer key for Ex.1:1.Then usually by lunchtime they would all be sold.(Possibility)2.What could have happened?(Possibility)3.Nothing could be better(Possibility)4.Something terrible must have happened if(Guessing)Discovering useful structures305.He could not believe his eyes.(Ability)6.Perhaps he shou

21、ld go to the library and find out.(Duty)7.He could not have Yong Hui get away with telling people lies!(Intention)8.He had better do some research!(Duty)9.Even though her customers might get thin after eating Yong Huis food(Possibility)10.They would become tired very quickly.(Ability)312.Choose suit

22、able modal verbs from below to complete the following dialogues.There may be more than one possibility.ought/oughtnt to should/shouldnt mustnt/neednt/(dont)have to will/can/cant321 SAM:How can I grow thinner,Mum?MUM:Well,you _ eat food with plenty of fibrethat helps you digest better.And you _ stop

23、drinking cola or eating sweet food.SAM:Does it mean I_ eat my favourite fried chicken any more?MUM:Not exactly,if you love fried chicken,you _ give it up.Just eat it less often.You _ worry too much:a little fried chicken_ do you good!have toshouldshouldntneedntdont have towill332 DOCTOR:You are sick

24、 because youve eaten poisonous mushrooms.Where did you get them?LUCY:I picked them in the forest.I know we _ eat fresh vegetables.DOCTOR:Oh,but you_ eat them until youre sure they are not poisonous.LUCY:Thank you,doctor.Ill be more careful next time.3 CHARLES:I wish I could see things clearly in the

25、 dark.TOM:Eating carrots_ help you see better.You _ eat some every day.have tomustntought toshould34Using Structures(P.50)Answer key for Ex.1:1.have to,should,need to2.ought to,should3.mustnt,would4.have toneed to5.cant,cant35Homework1.Summarize the rules of the modal verbs in your own way.2.Finish the exercises of“Using Words and Expressions”on P49.36East,west,home is best.金窝、银窝，不如自己的草窝。37