（2010版）高中英語(yǔ) Unit24 The science of farming教案 北師大版必修2

1、Unit 24 The science of farming一、教學(xué)目標(biāo)與要求通過(guò)本單元教學(xué)，繼續(xù)學(xué)習(xí)、鞏固有關(guān)直接引語(yǔ)和間接引語(yǔ)的內(nèi)容。學(xué)生應(yīng)能熟練地把直接引語(yǔ)轉(zhuǎn)換為間接引語(yǔ)。復(fù)習(xí)有關(guān)談?wù)撎鞖獾脑掝}，能熟練的描述各種天氣。通過(guò)對(duì)課文的學(xué)習(xí)，讓學(xué)生了解我國(guó)歷史上農(nóng)業(yè)發(fā)展的情況，并能用英語(yǔ)進(jìn)行簡(jiǎn)單描述。二、教學(xué)重點(diǎn)與難點(diǎn)1重點(diǎn)詞匯develop；experience；knock out of；point out；turn over；go against；a-gree to do ；now and then2重要句型 1）The soil should also be turned over wi

2、th a fork so that the weedswould be destroyed2）The book，which has 110 000 characters，is about both farming andgardening3語(yǔ)法 間接引語(yǔ)：1）He said that the best seed-heads should be hung up to dry2）They asked him if it was a good idea to sow wheat close together3）They asked him whenhe harvested the wheat4）He

3、 advised/told farmers to do things at the right time of year4日常交際用語(yǔ) 談?wù)撎鞖猓═alking about the weather）：1）Its a beautiful day today2）Its going to be dry and sunny for the next two days3）Whats the weather going to belike at the weekend？4）They say its going to be wet and windy三、課型（一）對(duì)話課教具 錄音機(jī)，投影儀。課堂教學(xué)設(shè)計(jì)1教

4、師通過(guò)以下步驟導(dǎo)入本課：向?qū)W生提出下列問(wèn)題：1）Have you ever been to a farmbefore？2）When we talk about the farm，what words can you think of？可將學(xué)生給出的詞語(yǔ)列在黑板上，借以復(fù)習(xí)相關(guān)詞匯。如學(xué)生沒(méi)提及天氣情況，教師可用問(wèn)題加以引導(dǎo)：Good！Youve given me a lot of words that have something to do with farm-ingWhat about the weather？Do you think that weather is important i

5、n farming？Why？2準(zhǔn)備放對(duì)話錄音。借助投影片打出以下聽(tīng)前提問(wèn)：1）Whats the weather like for thenext two days？2）Whats the weather going to be like at the weekend？放錄音一至兩遍，請(qǐng)學(xué)生回答上述問(wèn)題，教師予以必要訂正。Key：1）Its going to be dry and sunny for the next two days2）Its going to be wet andwindy3再次放對(duì)話錄音，學(xué)生跟讀。將學(xué)生分為兩人一組練習(xí)對(duì)話。數(shù)分鐘后，請(qǐng)兩、三組同學(xué)到前面表演。教師指導(dǎo)學(xué)

6、生歸納在本課中有關(guān)談?wù)撎鞖馇闆r的常用語(yǔ)句（見(jiàn)日常交際用語(yǔ)部分），并提供新的情景，由學(xué)生編小對(duì)話。情景1：You are supposed to plant trees with your classmates tomorrowNow you aretalking about the weather reports with your classmates and discuss what to do if it rains to-morrow情景2：You and your friends are planning a trip to the country by bike this comi

7、ng Sun-dayFrom the weather reports you already know that it is going to be fine in the morningand there will be a strong wind in the afternoonTalk with your friends and make a careful plan about your trip經(jīng)數(shù)分鐘練習(xí)后，教師可請(qǐng)幾位同學(xué)到前面進(jìn)行表演，教師予以講評(píng)。4要求學(xué)生將該課對(duì)話以狄克為第一人稱的角度，改寫為一篇短文。教師可給予必要的提示。提示語(yǔ)：1）a farmer，living in

8、 England；2）beautiful day，working in the fields；3）talk-ing about the weather；4）decide what to do for farm work給出首句：I am a farmer，living in the west of England要求學(xué)生根據(jù)對(duì)話，參照老師所給提示及首句，編寫短文。Model：I am a farmer，living in the west of EnglandI am always busy with my farm workItsa beautiful day today and Im no

9、w working in the fields with TimTim is helping me at themomentWere talking about the weather for the next two days and also for the comingweekendAnd weve decided to sow carrot seed tomorrow and pick the rest of the cabbagesbefore the weather changes當(dāng)堂要求學(xué)生完成，如時(shí)間允許，可請(qǐng)幾位同學(xué)朗讀自己的短文，教師予以講評(píng)。5布置作業(yè)1）預(yù)習(xí)第94、95

10、課；2）完成練習(xí)冊(cè)中安排的練習(xí)（二）閱讀理解課（）教具 錄音機(jī)，投影儀。課堂教學(xué)設(shè)計(jì)1檢查生詞及短語(yǔ)。2教師通過(guò)以下提問(wèn)導(dǎo)入正課：Every day people need a lot of foodAnd the food main-ly comes from the corn，the wheat，the rice and so onFarmers grow them year after yearand provide us with enough foodIn our country we still have a lot of people who are farm-ersAnd ma

11、ny farmers still work with their hands though lots of machines are used every-whereIf I ask you what you have already known about farming，maybe few of you can an-swer this question wellNow well learn something about farming in old China，3教師給出讀前提問(wèn)：1）What were the people in other countries doing while

12、 the farm-ers in China were developing the science of farming？2）What book did he write？What is thebook about？教師給學(xué)生數(shù)分鐘，要求學(xué)生快速閱讀課文。之后請(qǐng)同學(xué)回答上述問(wèn)題。Key：1）People in other countries were trying to catch wild animals and birds and werestill collecting seeds and nuts while farmers in China were developing the

13、science of agricul-ture2）He wrote a book called Qi Min Yao Shu and the book is about both farming and gar-dening4放課文錄音，學(xué)生跟讀一至兩遍。教師就課文內(nèi)容提問(wèn)，檢查學(xué)生的理解程度（可參閱練習(xí)冊(cè)中所列出的問(wèn)題）5教師用投影儀打出以下statements，要求學(xué)生判斷其正誤。并對(duì)錯(cuò)誤的statements 進(jìn)行修改。1）China was the first country in the world to study the science of farming2）The textd

14、oes not tell us where the earliest research centre for agriculture was3）Both Yidu andGaoyang where Jia Sixie once lived and worked are in Shandong Province4）He didnt wantto work in the governmentSo he returned home and spent his time on agriculture5）He ad-vised the farmers to choose the best seed-he

15、ads，which were much bigger than others6）Af-ter the seeds were sown，they should be knocked out of the seed-heads7）He pointed out itwas important that wheat should be planted with space between the plants8）He did experi-ments to show his way was better9）The book called Qi Min Yao Shu was written overy

16、ears agoKey：1）False（China was one of the first countries in the world to study the science offarming）2）False（China was the earliest research centre for agriculture）3）True 4）False（After years of working in the government，he returned home and spent his time on a-griculture）5）False（The best seed-heads

17、were those with the best colour）6）False（Be-fore the seeds were sown，they should be knocked out of the seed-heads）7）False（Hesaid that it was important to plant wheat close together）8）True 9）False（The book waswritten during the years 533544，that is，over 1 400 years ago）6請(qǐng)學(xué)生利用課文所提供的內(nèi)容，挑出有關(guān)描寫賈思勰研究農(nóng)業(yè)的詞語(yǔ)：

18、1）spent his time on research into agriculture；2）collected information，studied it，didexperiments and learnt from the experiences of farmers；3）studied ways of keeping seeds；4）studied how to improve soil conditions；5）learnt how to clean rough ground before plant-ing crops學(xué)生先在小組內(nèi)交流并相互啟發(fā)、補(bǔ)充，然后請(qǐng)學(xué)生在班上交流。7布

19、置作業(yè)1）復(fù)述課文；2）完成練習(xí)冊(cè)中所安排的練習(xí)。閱讀理解課（）教具 錄音機(jī)，投影儀。課堂教學(xué)設(shè)計(jì)1通過(guò)提問(wèn)溫習(xí)第一部分課文內(nèi)容：1）Which country was the earliest research centrefor agriculture？2）Farmers in China were developing the science of agriculture while peoplein other countries were still trying to catch wild animals and birds and were still collectingsee

20、ds and nutsWhat does it show？3）Who was Jia Sixie and where was he born？4）Whatdid he do after Jia Sixie returned home after working many years for the government？5）Canyou tell us something about his advice to the farmers？6）When did he write his book calledQi Min Yao Shu？And what is the book about？Ple

21、ase give an example2檢查第一部分課文復(fù)述。3教師用投影儀打出以下表格，要求學(xué)生在閱讀第95課的同時(shí)，利用課文中所提供的信息填寫表格，介紹賈思勰在齊民要術(shù)中有關(guān)種莊稼的一些建議：Say something about Jia Sixies pieces of advice from his book“Qi Min Yao Shu”學(xué)生先在小組內(nèi)交流并相互啟發(fā)、補(bǔ)充，然后請(qǐng)學(xué)生在班上交流。4布置作業(yè) 1）復(fù)述課文，重點(diǎn)介紹賈思勰在齊民要術(shù)中有關(guān)種莊稼的建議；2）完成練習(xí)冊(cè)中所安排的練習(xí)。（三）語(yǔ)言訓(xùn)練課教具 投影儀。課堂教學(xué)設(shè)計(jì)1教師檢查課文復(fù)述。2教師從本單元詞語(yǔ)中選擇部分常

22、見(jiàn)詞語(yǔ)，配以例句介紹給學(xué)生。要求學(xué)生反復(fù)練習(xí)這些例句，并請(qǐng)同學(xué)造句，教師予以講評(píng)訂正。詞語(yǔ)：loaf；experience；knockout of；condition；rough；point out；turn over；go a-gainst；plough；year after year例句：1）Here are four people but Ive got only three loaves of breadWhat shall I do？2）Have you had any experience in this kind of work？3）Jia Sixie told the farm

23、ers to knockthe seeds out of the seed-heads before sowing them4）She was knocked out by the sadnews5）What are conditions like in your country now？6）Look at his handsThey are roughwith work7）He pointed out that it was very foolish to do that8）The soil must be turnedover before planning9）He turned over

24、 a page or two10）He went against his motherswishes11）Farmers plough their fields in autumn or spring12）Year after year I got a letterfrom him on New Years Day3書面表達(dá)練習(xí)中文提示（用投影片打出）：1）周蘭生在城市，去年去農(nóng)村經(jīng)歷難忘；2）建議教師去農(nóng)村學(xué)農(nóng)；3）周蘭響應(yīng)，乘火車前往老家；4）設(shè)想農(nóng)村生活艱苦；5）后來(lái)發(fā)現(xiàn)機(jī)械化程度高，農(nóng)村大變樣英文提示（用投影片打出）：1）experience；2）point out；3）farming

25、；4）advise somebodyto do something ；5）conditions ；6）remove將首句給出：Zhou Lan was born in a big city七、八分鐘后，請(qǐng)幾位同學(xué)朗讀自己的短文，教師予以講評(píng)。Model：Zhou Lan was born in a big cityShe had never been to the country until last summervacationIt was a wonderful experience for herBefore the vacation，her teacher pointed out th

26、at it was important for the students tolearn something about farming，and advised them to go to the countryside for a visitSoZhou Lan took a train to her hometown-a small village in Sichuan ProvinceBefore sheleft，she had thought that the conditions there must be very bad：the road must be rough；and th

27、e farmers will do nothing but remove weeds every dayWhen she got there，she wassurprised to see that machines were used a lot in the fields and the living conditions therewere much better than she had thoughtShe stayed there for two weeks and was very muchinterested in farming4布置作業(yè) 1）預(yù)習(xí)第25單元；2）完成練習(xí)冊(cè)中

28、安排的練習(xí)。 四、難句分析1He is always busy with his farm work他總是忙于他的農(nóng)場(chǎng)工作。be busy with的意思是“忙于”。例如：Mother is always busy with her housework媽媽總是忙于家務(wù)。They pretended to be busy with preparation for the exam他們裝著忙于備考的樣子。busy也常用于be busy doing sth意思是“忙于做某事”。例如：They are busy making paper flowers他們忙著做紙花。Mother is al

29、ways busy doing her housework媽媽總是忙于做家務(wù)。2In the following spring，the seeds should be knocked out of the seed-heads and sown到第二年春天把種子從谷穗里打出來(lái)，然后再播種。knock out of是動(dòng)詞短語(yǔ)，“從中敲出”。例如：The sudden blow knocked two teeth out of his mouth這突然的一擊把兩顆牙齒從他的嘴里打出來(lái)了。The diamond was knocked out of the ring when I dropped it我的戒指掉下來(lái)時(shí)，鉆石被敲出來(lái)了。knock構(gòu)成的短語(yǔ)動(dòng)詞還有：knock at（敲），knock against（撞擊），knock down（撞倒），knock over（撞翻）等。Who is knocking aton the door？誰(shuí)在敲門？The car knocked the bike over汽車把自行車撞倒了。The child knock