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

1、Unit 24 The science of farming一、教學目標與要求通過本單元教學，繼續(xù)學習、鞏固有關直接引語和間接引語的內(nèi)容。學生應能熟練地把直接引語轉換為間接引語。復習有關談論天氣的話題，能熟練的描述各種天氣。通過對課文的學習，讓學生了解我國歷史上農(nóng)業(yè)發(fā)展的情況，并能用英語進行簡單描述。二、教學重點與難點1重點詞匯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語法 間接引語：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 談論天氣（Talking 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）對話課教具 錄音機，投影儀。課堂教學設計1教

4、師通過以下步驟導入本課：向學生提出下列問題：1）Have you ever been to a farmbefore？2）When we talk about the farm，what words can you think of？可將學生給出的詞語列在黑板上，借以復習相關詞匯。如學生沒提及天氣情況，教師可用問題加以引導：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準備放對話錄音。借助投影片打出以下聽前提問：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，請學生回答上述問題，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再次放對話錄音，學生跟讀。將學生分為兩人一組練習對話。數(shù)分鐘后，請兩、三組同學到前面表演。教師指導學

6、生歸納在本課中有關談論天氣情況的常用語句（見日常交際用語部分），并提供新的情景，由學生編小對話。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)分鐘練習后，教師可請幾位同學到前面進行表演，教師予以講評。4要求學生將該課對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：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要求學生根據(jù)對話，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當堂要求學生完成，如時間允許，可請幾位同學朗讀自己的短文，教師予以講評。5布置作業(yè)1）預習第94、95

10、課；2）完成練習冊中安排的練習（二）閱讀理解課（）教具 錄音機，投影儀。課堂教學設計1檢查生詞及短語。2教師通過以下提問導入正課：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：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？教師給學生數(shù)分鐘，要求學生快速閱讀課文。之后請同學回答上述問題。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，學生跟讀一至兩遍。教師就課文內(nèi)容提問，檢查學生的理解程度（可參閱練習冊中所列出的問題）5教師用投影儀打出以下statements，要求學生判斷其正誤。并對錯誤的statements 進行修改。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請學生利用課文所提供的內(nèi)容，挑出有關描寫賈思勰研究農(nóng)業(yè)的詞語：

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學生先在小組內(nèi)交流并相互啟發(fā)、補充，然后請學生在班上交流。7布

19、置作業(yè)1）復述課文；2）完成練習冊中所安排的練習。閱讀理解課（）教具 錄音機，投影儀。課堂教學設計1通過提問溫習第一部分課文內(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述。3教師用投影儀打出以下表格，要求學生在閱讀第95課的同時，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中有關種莊稼的一些建議：Say something about Jia Sixies pieces of advice from his book“Qi Min Yao Shu”學生先在小組內(nèi)交流并相互啟發(fā)、補充，然后請學生在班上交流。4布置作業(yè) 1）復述課文，重點介紹賈思勰在齊民要術中有關種莊稼的建議；2）完成練習冊中所安排的練習。（三）語言訓練課教具 投影儀。課堂教學設計1教師檢查課文復述。2教師從本單元詞語中選擇部分常

22、見詞語，配以例句介紹給學生。要求學生反復練習這些例句，并請同學造句，教師予以講評訂正。詞語：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書面表達練習中文提示（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)村學農(nóng)；3）周蘭響應，乘火車前往老家；4）設想農(nóng)村生活艱苦；5）后來發(fā)現(xiàn)機械化程度高，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，請幾位同學朗讀自己的短文，教師予以講評。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）預習第25單元；2）完成練習冊中

28、安排的練習。 四、難句分析1He is always busy with his farm work他總是忙于他的農(nóng)場工作。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。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。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，然后再播種。knock out of是動詞短語，“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了。The diamond was knocked out of the ring when I dropped it我的戒指掉下來時，鉆石被敲出來了。knock構成的短語動詞還有：knock at（敲），knock against（撞擊），knock down（撞倒），knock over（撞翻）等。Who is knocking aton the door？誰在敲門？The car knocked the bike over汽車把自行車撞倒了。The child knock