高一英语教案：上学期unit18a

1、The Third PeriodTeach ing Aims:1. Write a passage to con solidate the words describ ing n atural environment.2. Revise and learn the use of "it” .Teach ing Importa nt Poin ts:1. The usage of “ it ” used in the subject position to stand for the infinitive or a clause.2. The usage of " it” u

2、sed to talk about time,date,distance or weather.Teach ing Difficult Poin ts:1. Helpthe stude nts master thefollow ingsentence structure:It is/was+ n ./adj .+infin itive/clause.2. How to use “ it” correctly.Teach ing Methods:1. Discussi on method to help the stude nts comb ine some senten ces and for

3、m a passage.2.lnductive method to help the students master the use of “ it” .3. Pair work or in dividual work to make every stude nt work in class.Teach ing Aids:1. a projector and some sides2. the blackboardTeach ing Procedures:step I .Greetings and RevisionGreet the whole class as usualT:Yesterday

4、 we lear nt a text about New Zeala nd.Now,please look at the scree n.An swer the follow ing questi ons.(The teacher shows the scree n.)An swer the follow ing questi ons:1. Where is New Zeala nd?What is its capital city?2. What's the weather of New Zeala nd like?3. What's the North Isla nd fa

5、mous for?4. What's the most famous an imal?5. Who are the earliest people to come to this coun try?Suggested an swers:1. New Zeala nd lies off the easter n coast of Australia.It is made up of two large isla nds:North Island and South Island.The Pacific Ocean lies to the north and east of it.Its

6、capital city is Welli ngton.2. New Zeala nd has a mild sea climate .It rains a lot.The warmest mon ths are December to February.The coldest mon ths are June to August.3. The North Isla nd is famous for hot spri ngs.4. The most famous ani mal in it is called a Kiwi,which has wings but cannot fly.5. T

7、he Maori are the earliest people to come to this coun try.T:Very good.step n .Word StudyT:Now,please look at the word webs on the scree n.(Teacher shows the scree n.)jun gles forests wooded grassy deserts grassla ndsrocky sandy flat hills mountains hilly mountainousWell,work in pairs to make sentenc

8、es with all of the words and then try to combine them.You're given seven minutes to do it.Seven minutes later,I'll ask some students to read out their passages.Suggested an swer:We were going through a mountainous area by bus.Before we went in the moun tai ns,we saw some sandy areas and dese

9、rts along the hilly road.Some jun gles could be see n from time to time .In the dista nee are grey mountain s.The sight was very sad.The n we climed over a rocky hill.After that a large flat grassland appearing before our eyes.There was a big forest at the end.To our surprise,some small wooded cotta

10、ges stood there.Some grassy plants as well as all kinds of flowers grew around the cottages,which made the cottages very beautiful.Step 川.GrammarT:Well done.You're imaginative.Now,look at the sentences on the screen and tell the use of it .(Show the followi ng on the scree n.)1.It was getting da

11、rk.2.It is April 1st today.3.lt rains a lot in New Zeala nd.4.It is some 3 500 kilometres from Polyn esia to New Zeala nd.5.lt is a good thing that New Zeala nd helps the Maori to keep their own Ian guage and culture.6.lt is quite no rmal that un cles and aunts live with the family for a long time.7

12、.lt is in teresti ng to visit New Zeala nd.T:Who can try the first sentence?Si：l can try.ln the first sentence, “ it” is used to refer to “time. ”T:Yes,you're right.Let's go on. The sec ond on e,Li Xiao,you try,please.S2：Here “ it ” is used to talk about “ date” .T:Very good.The third on e.C

13、a n you try,Wa ng Fang?S3：Yes,l think “ it” here is used to refer to “weather” .T:OK.Do you know what “ it ” refers to in the fourth sentence?S3：Yes. "It” refers to “distanee” .T:Quite right.Please sit down.Let's look at the fifth one.Who'd like to translate the sentence into Chin ese?S

14、4:l'd like to.新西兰人帮助毛利人保持他们自己的语言和文化是件好事。T:Good.Can you tell us the use of “ it” in the sentence?S4：Sorry,l don't know.T:lt does n't matter.Sit dow n,please.Who kno ws?S5：l'll try.l guess “it” is used to refer to “that-clause” .T:Well don e.You're quite right.Ca n you try n ext se

15、nten ce?S5：Yes. "It” is also used to stand for “that-clause” .T:Very good.The last on e.Who can try?S6：Let me try.l think "it” is used in the subject position to stand for "the infinitive ” .lts Chinese meaning is:"参观新西兰是有趣的。”T:Quite right.From the sentences above,we can sum up t

16、he use of " it” .lmpersonal " it” can be used to talk about time,date,distanee or weather.(Write them on the Bb.)Besides, " it” can be used in the subject positi on to sta nd for an infin itive or a clause.From the senten ces 5,6 and 7,we can learn the following sentence structured is

17、/was +adj./n.+infinitive/clause.(Write it on the Bb.)Now,who can use the sentence structure to make some senten ces?S7：Let me try.It is impassible for so few people to do so much work in a sin gle day.&:lt is very important to follow the rules.S9：lt is true that he accepted the in vitati on.(Tea

18、cher writes the stude nts' sentences on the Bb.)T:Very good.Now,open your books and turn to Page 30.Let's do Ex.1.First do it by yourselves,a nd the n check your an swers with your part ners.At last ,I'll ask some of you to read out your senten ces.Before you do it,you may look at exampl

19、e first.Are you clear?Ss:Yes.T:OK.You're give n a few minu tes to do it.Please beg in .(A few minu tes later.)Have you fini shed?Ss:Yes.(Teacher asks some stude nts to read out their senten ces.)Suggested an swers to Ex.1:(1) It is very excit ing to receive a letter from a foreig n friend.(2) It

20、 is not a good habit to eat too much junk food.(3) It is dan gerous to drive too fast.(4) It is bad manners to talk with your mouth full.(5) It is a pleasure to see you aga in.(6) It has always bee n her dream to go abroad to study.T:You've done it very well.Now,let's go on with Ex.2.You'

21、;re given three minutes to do it in the same way.After a while,I'll check your an swers.Do you un dersta nd?Ss:Yes.(After a while,teacher checks their an swers.)Suggested an swers to Ex.2:(1) It is stra nge that you don't know where New Zeala nd is.(2) It is a real pleasure that you in vited

22、 me to the won deful dinner.(3) It was not surprising that he failed his maths exam.(4) It was a shock to all that his secretary stole the mon ey.Step IV .TestT:Now,let's have a test.Please look at the screen.Write your answers on a piece of paper.Before class is over, I'll collect them.(Tea

23、cher shows the scree n.)I .Fill in the blanks with "It is” or "It” and explain what each “it” is used for.1. is quite a long way from here to the castle.2. Nati onal Day today.3. four o'clock p.m.now.4. is rather windy at sea sometimes.5. hard for him to get ridof hisbadhabit.6. a plea

24、sure that he has bee nadmitted to a uni versity.n .Translate the following into English.1.学生们每天练习说英语是有好处的。2学好一门外语是重要的。3她犯那样的错误是不可能的。4冬天，北京比上海更冷。5从这儿到最近的银行大约一英里。6是吃午饭的时间了。Suggested an swers:I .(1)lt;distanee(2)lt is;date (3)lt is;time (4)lt;weather (5)lt is;for sb.to do sth.(6)lt is;that-elausen .(1)

25、lt's useful for students to practise speaking English every day.(2) lt's importa nt to lear n a foreig n Ian guage well.(3) lt is impossible that she should make a mistake like that.(4) ln winter,it is even colder in Beijing than in Shanghai.(5) lt's about a/one mile from here to the nearest bank.(6) It's time for lun eh.Step V .Summary and HomeworkT:ln this period