新課標(biāo)人教版高一英語必修四unit2教案

1、Unit 2 Working the landThe first periodReadingStep 1.Greeting and Revision1. Greet the students as normal.2. Revise the warming up with the following question How do you think to grow our main food-rice?-1)First, the farmers plow the field. They have to make the soil loose enough to plant crops. 2)S

2、econd,grow some young plants3)Third, they insert the young plants into the loose field.4)At last ,they will get the harvestStep 2 Pre-readingShow the students some pictures and ask the questionWhat is happening to these people in East Asian and Southeast Asian countries?Then show more news.If you ha

3、d the chance to do something to help end hunger in the world, what wouldyou do?Encourage the students to tell their opinions, Then give a conclusion:The only way to solve the food shortage problem is to increase the output of the grain crop per land area through the advancement of science and techno

4、logy.Step 3 Fast readingRead the passage quickly and answer the true-or- false questions? 1.Dr Yuan is more a farmer than a scientist.?2. Dr Yuan s kind of rice is the most suitable for China? 3.Dr Yuan would rather work than relax.? 4. Dr Yuan has dreams when he is asleep and also when he is awake.

5、? 5. Dr Yuan enjoys a simple life than most rich and famous people.Step 4 Careful reading1.What dose Dr. Yuan look like? Why?2.What is his achievement?3.Why did Dr. Yuan want to increase the rice output when he was young?4.How does he help rid the world of hunger?5. What kind of life is Dr. Yuan lea

6、ding?6.What is Dr Yuan s dream?Step 5Skimming:find out the main idea of each paragraph.Step 6 Homework1. Finish the exercises in Learning about Language.2. Retell the text in about 150 words.The second&third period Learning about Language(The ing form as the Subject & Object)Step I. Warming

7、upWarming up reading aloud the text A PIONEER FOR ALL PEOPLEStep II. Discovering useful words and expressionsIn pairs do the exercises 1, 2 and 3 on pages 11 and 12. You must finish them in 5 minutes.Step III. Learning about grammar1. Read and identifyRead the text about Yuan Longping again, paying

8、attention to the sentences which use the ing form as the subject and object.In the sentence Wishing“ for things, however, cost nothing. “ the ingis used as subject.It can be also used as object of the sentence. For example: Yuan Longping likes playing his violin.2.Consolidating by do exercisesTo con

9、solidate your understanding you will be given 10 minutes to go over exercises 1,2,3,4and 5 on pages 12 and 13. You may just write on your text book. I mean the student s bo are working by.語法學(xué)習(xí) 動名詞1. 動名詞作主語1）名詞直接放在句首作主語。例如：Using the right hand to shake hands is a convention in many countries.用右手握手是許多

10、國家的一種習(xí)俗。2）動名詞在 “ It is no use/ no good/ fun / a waste of time/ a good pleasure等名詞+ doing 結(jié)”構(gòu)中作主語， it 為形式主語。3）動名詞在 “ It is useless/ nice/ good/ interesting/ worthwhile 等形容詞+ doing結(jié)”構(gòu)中作主語。4）動名詞在 “ There is(was) no + doing 結(jié)構(gòu)中作”主語。2. 動名詞作賓語1）有些動詞后面要求跟動名詞作賓語。常這樣用的動詞有：admit 承認(rèn)； excuse 原諒； postpone 拖延； an

11、ticipate期望； fancy想象 practise 練習(xí)；appreciate 欣賞； finish 完成； prevent 防止； avoid避免； forbid禁止；propose 建議； consider 考慮； forgive 寬?。?recollect 回憶； delay 耽擱； imagine 想象； resent 厭惡； deny 否認(rèn)； involve 涉及； resist 抵制； detest 厭惡； keep 保留； risk 冒險； dislike 討厭； mind 在意； save 挽救； dread 害怕； miss 錯過； suggest 建議； enjoy

12、喜歡； pardon 原諒； understand 理解； escape 逃避； permit 允許2）有些動詞短語后也要求跟動名詞作賓語。常這樣用的動詞短語有：can t stand忍不??；can t help忍不住；feel like想，欲；give up放棄；put off推遲3）動名詞常跟在介詞或介詞短語后做賓語。常這樣用的介詞短語有：instead of,lookforward to, object to, keep on, see about, take to等。我們終于克服了所有的困難。4）在 “ have difficulty (trouble, problem, a hard

13、 time, fun, a good time) (+in) +動名詞；be動名詞； waste time (in) + 動名詞； lost time (in) + 動名詞； There is no point (in) busy (in) + 動名詞 ”等結(jié)構(gòu)中，動名詞做介詞賓語，in 常要省去。5）在復(fù)合賓語中，用it 作形式賓語，將動名詞短語放在后面。例如：I consider it a waste of time arguing about it.我認(rèn)為辯論這事是很浪費(fèi)時間的。6）在 “ there be結(jié)構(gòu)”當(dāng)中， be 為動名詞時， 該結(jié)構(gòu)也是一種帶邏輯主語的動名詞形式。例如：We

14、 can imagine there being a lot of fuss about it.我們可以想象到人們對此大驚小怪。Were you disappointed at there not having been more gifts?你對沒有更多的禮物感到失望嗎？3. 動名詞的被動式1）動詞 need, require, want, deserve 后，用動名詞的主動形式表示被動意義。其用法相當(dāng)于不定式的被動結(jié)構(gòu)。2）在（ be）worth 后面只能用動名詞的主動態(tài)來表示被動意義。The fourth period Using LanguageStep I. Warming upLa

15、nguage is created to be listened to and spoken first. So open your book to page 13 and read it aloud while listening to the recording. Watch your pauses between the thought groups.Step II. Guided reading1 Reading, speaking and writingWhen tryingto argue peopleinto or outof doingsomethingwe mayuse th

16、e followingexpressions:I would ratherI don t like because I d prefer becauseIt s a great pity thatShould I / we?It s better toThis is good value becauseIf I have a choice I d choose becauseWhat is the advantage of?You need to In pairs you are to make up a dialogue to argue each other into or out ado

17、pting organic farming.I will argue with your monitor, Liang Bochao. Get started.2Reading and translatingRead the text sentence by sentence, and put it into Chinese. Who will be the first to try. I will only have four of you to do this task. OK, Wang Shan. You got it, the opportunity, I mean.3 Readin

18、g and underliningNext you are to read and underline all the useful expressions or collocations in the passage.Copy them to your notebook after class as homework.4 Doing exercisesNow you are going to do exercises No. 1, 2 and 3 on page 14 following the article.5ListeningFor listening turn to page 14

19、and then 15 for the listening exercises 1, 2 and 3.6 Writing a posterWriting a poster which includes all the information about the uses of computer so that you will encourage more farmers to buy and use. You are asked to base your poster on the overall pattern of the article you learned Organic Farm

20、ing. Limit your poster to between200 and 250 words.7Writing a speechWrite a speech for Professor Yuan Longping. He is to attend an international conference on modern agriculture. You may also make use of the library and network resources for the task.StepIII. Further applyingRead online to find as m

21、uch information as possible about Professor Yuan Longping and his research group. Share your findings with you partner next time you are here.Writing a reportGo back home to interview your parents or your grandparents about China agriculture,s its past and present situations. Write a report in Engli

22、sh in about 500 words as a weekly project.Acting a text playTurn either one of the two articles into a text play. Rehearse it and play it in front of the class.The play shall last at least 10 minutes.Step IV. Closing downClosing down by filling a formTo end the period please fill in the form below.C

23、losing down by imagingImagine and write about what the agriculture will be like 50 years from now in the future. Useyour imagination to compete for“ wild thinking prize”.The fifth period ListeningStep 1 Pre-listening1. Talk about the the differences between organic farming and fertilizer farming. An

24、d show the picture2. Introduce some new words in the listening passagevalley competitor determinedpour carrotscucumbers pumpkins attack spread like wildfire sigh solidStep 2 ListeningListen to the tape and answer the following questions:1. What does the passage tell us?2. What do the words in the fi

25、rst column mean?Crops grown means how their crops grow. Well or bad?Fertilizer means what kind of fertilizer they use. Organic or chemical?Other plant nutrition means maybe, besides those two fertilizers, they still had some more powerful ones.Listen to the tape and finish the formStep 3Get the stud

26、ents to answer:2 Why do you think the results from the two farmers are so different?3 Look at the summaries of the story. Decide which is correct and explain why the others are wrong.Step 4 Listening textHand out the listening material , listen to the tape , then complete the passage with the right

27、answersStep 5 Listening on Page 48Listen to the tape ,and Put these stages of turning fertile land into a desert in order.Fertile farmland. ()Soil is blown away. ()Plants die. ()Land becomes dry.Not enough water.Soil turns to sand.()Step 6 Listening textGive the students the listening material to finishThe sixth period WritingStep 1 SpeakingTry to find reasons to persuade people to buy your food. These words and expressions mayhelp you.I would rather.I don t.because.I d prefer.because.Should I/we.?It s better to.This is good value because.If I have a choice I d choose. because.What i