英語微課教學(xué)設(shè)計(jì)

1、英語微課教學(xué)設(shè)計(jì)一教材分析1.教學(xué)內(nèi)容本單元的中心話題是“克隆”，學(xué)生通過討論和閱讀有關(guān)克隆的內(nèi)容，了解克隆的含義、克隆的技術(shù)發(fā)展、克隆對(duì)人類帶來的好處以及人類對(duì)克隆這一問題的爭(zhēng)議。 閱讀部分介紹了植物與動(dòng)物克隆的區(qū)別、 多莉羊的誕生與死亡以及由此引發(fā)的爭(zhēng)論。 幫助學(xué)生進(jìn)一步認(rèn)識(shí)克隆的意義在于解決醫(yī)學(xué)上的難題，為人類服務(wù)。1.教材處理本科結(jié)合教材的實(shí)際對(duì)教材內(nèi)容、編排順序等進(jìn)行了調(diào)整、刪除和補(bǔ)充，把閱讀前、閱讀中和閱讀后三部分有機(jī)整和起來。(1) 導(dǎo)入新穎，激發(fā)興趣?！白x前階段”通過圖片導(dǎo)入的形式，激活學(xué)生大腦中的圖式。同時(shí)，結(jié)合標(biāo)題預(yù)測(cè)，使學(xué)生對(duì)即將閱讀的內(nèi)容有一定的預(yù)測(cè)，激發(fā)閱讀興趣。(2

2、) 循序漸進(jìn)、創(chuàng)意安排。 “讀中階段”引導(dǎo)學(xué)生進(jìn)行語篇的整體感知， 了解課文的概況； 培養(yǎng)學(xué)生同義轉(zhuǎn)換及歸納概括的能力。(3) 適度拓展、開發(fā)思維。 “讀后階段”拓展學(xué)生的發(fā)散性思維，在訓(xùn)練學(xué)生閱讀技能的基礎(chǔ)上了解克隆這門生物技術(shù)以及有關(guān)的爭(zhēng)議。二 teaching goals（教學(xué)目標(biāo)）1.targetlanguage （目標(biāo)語言）a important words and expressionsclone, commercial, producer, undertake, arbitrary, object, forbid, accumulate, cast down, object to

3、, the media, in favour ofb important sentences1) but at last the determination and patience of the scientists paid off in1996 with a breakthrough-the cloning of dolly the sheep.2) altogetherdollylivedsixand a halfyears,half the length of the life of the original sheep.3) the fact that she seemed to

4、develop normally was very encouraging.4) then came the disturbing news that dolly hadbecome seriously ill.2.ability goals（能力目標(biāo)）enable the studentsto describecloning:what is theadvantages of cloning? what is the problems ordangers of cloning?what is youropinionof cloning?3.learning ability goals（學(xué)能目標(biāo)

5、）help the students learn how to describe cloning.三 teaching important points（教學(xué)重點(diǎn)）how to describe cloning.四 teaching difficult（教學(xué)難點(diǎn)）help the studentsanalyzethe writingtechniquesof thearticle.五 teaching methods（教學(xué)方法）skimming, task-based method and debate method.六 teaching aids（教具準(zhǔn)備）a recorder, a proj

6、ector and some slides.teaching procedures & waysstep lead-in 設(shè)計(jì)意圖 導(dǎo)入部分由兩個(gè)步驟組成：1.首先讓學(xué)生觀看有關(guān)克隆動(dòng)物和植物的圖片。通過圖片，學(xué)生們立刻領(lǐng)悟了本課的主題，并帶著興趣開始觀看。2.學(xué)生在體驗(yàn)中產(chǎn)生探究的興趣后，為了啟發(fā)學(xué)生思考，設(shè)計(jì)了四個(gè)問題，以激發(fā)學(xué)生的思維。teacher:in pairs, look at these pictures anddiscuss which ones are natural clones and whichones are man-made. think about how th

7、eydiffer.student:I thinkthe twinsand a strawberryplantare natural clones; the dolly sheep and growingnew plants are man-made.after several minutes, teacher ask some questions andlet students answer these questions.teacher: 1. dolly the sheep. It s the mostfamous sheep in the world.do you know how do

8、llyis different from other sheep?student:she was cloned while the others were bornnaturally. it is the copy of another sheep.teacher:2.what can you see in the picture?student:I can see a strawberry plant producingrunners in a natural form of cloning. teacher: 3 . who cut the stem off the plant?stude

9、nt:a gardener.and the gardenerisgoingto put it into a pot to produce another plant.he is actually making a copy of the plant.teacher: 4.what do you know about twins?student:there are twins of the same sex andthose of different sexes. the twins here areidentical in sex and appearance and are goodexam

10、ples of natural clones. they carry the same genetic information. the fertilized egg hassplit into two while inside the mother, and so produced two identical human babies.steppre-reading 設(shè)計(jì)意圖 通過閱讀文章標(biāo)題，引導(dǎo)學(xué)生對(duì)課文內(nèi)容進(jìn)行預(yù)測(cè)，調(diào)動(dòng)學(xué)生已有的背景知識(shí)，使其產(chǎn)生閱讀的興趣，快速進(jìn)入閱讀狀態(tài)。然后讓學(xué)生通過快速閱讀來驗(yàn)證自己的預(yù)測(cè)，使自身處于一種主動(dòng)認(rèn)知的狀態(tài)。before class, ask th

11、e students to search for some information about this topic. now show myquestions on the screen, and then let them discuss with each other.questions about cloning:1.what is a clone?2. how is a clone produced?3. what benefits can humans gain from cloning?4. what problems may arise when humans are clon

12、ed? suggest answers:1. a clone is an animal or plant produced naturally or artificially from the cells of another animal or plant and is exactly the same as it.2.thecloningof plantsis simpleand relativityeasy.itcan be done by takingcuttings(man-made cloning)orlettingtheplantproduce itsown runners(na

13、turalcloning).thecloningofanimalsis more complicated.itwas notachieved until1996and is fullyexplainedin the first reading.3.1) medicalcloningcan helpcure seriousillnessesthatruinone s qualityof life(such as parkinson s disease帕金森癥 or alzheimer s disease老年癡呆癥 ).2) it can help infertile people have ba

14、bies.4. 1) people may want to clone themselves so they can live forever.2) people may want to clone dead children.3) people may want to clone their favorite pets.stepwhile-readingteacher:now let s listen to the tape. then iwill give you 20 minutes to read this passageagain. while reading , you shoul

15、d finish thefollowing three tasks.task 1summarize the main idea of each paragraph. 設(shè)計(jì)意圖 學(xué)生通過略讀本文，快速找出每段的主題句，從整體上把握文章內(nèi)容，不但了解此類型文章的篇章結(jié)構(gòu)，學(xué)習(xí)此類型文章的寫作，而且便于下一步查讀。para1. cloning is a way of making an exact copy ofanother animal and plant.para2. cloning has two major uses.para3. the birth and death of dolly.

16、para4. the effect of dolly.para5.it is forbidden to clone human beings.task 2blanks.read the text carefully and fill in the設(shè)計(jì)意圖學(xué)生個(gè)人先通過查讀，快速找到特定信息，然后小組組員之間交流各自的答案，有疑義的地方，經(jīng)過討論，最終確定答案。這不僅讓學(xué)生了解文章的具體內(nèi)容，而且培養(yǎng)學(xué)生閱讀的能力和互幫互助的團(tuán)隊(duì)合作精神。definition cloning is a way of making another animal and plant.an exact copyof

17、gardeners use it toproduce commercialmajor uses of quantities of plants.cloning itis valuableforresearchon new plantand formedicalresearch on animals.species encouraging news: dolly seemed to develop normally. disturbing news: dolly lived only six and a half years, half the length of the life ofabou

18、t dollythe sheepthe original sheep, because of serious illnesses which were more appropriate to a much older animal. evil leaders hoped to clone themselves to attaindifferent opinions on cloningtheir ambitions. religious leaders raisedmoral questions. some governmentsforbaderesearch into humanclonin

19、g but other countries like china and theuk, continued to accumulate of theabundant evidencemedicalaid thatcloningcouldprovide.task 3choose the best answer. 設(shè)計(jì)意圖 在閱讀的過程中，讓學(xué)生結(jié)合文章對(duì)這些問題進(jìn)行思考。一方面，可以培養(yǎng)學(xué)生的綜合閱讀能力，另一方面，加強(qiáng)學(xué)生對(duì)文章的進(jìn)一步理解。1). the main idea of the textis_a.animal cloningis very valuableand can benef

20、ittheworld.b. animal cloning could be misused by bad people so it must be forbiddenc.animalcloningis welldevelopedbecause dollythe sheep wasborn.d. animal cloning raised arguments and scientists are not sure about its future.2). _ is used in the procedure for cloning dolly the sheep.a. the nucleus o

21、f sheep ab. the somatic cell of sheep ac. the nucleus of sheep b d. the embryo of sheep c3). the cloning of dolly the sheep succeeded because_.a. its easier to clone a sheep than other animalsb. the scientists weredetermined and worked hard with patiencec.the scientistswere rewarded and got lotsofmo

22、neyd. many other attempts to clone mammals failed 4). the lamb is the clone of the cell from sheep because_.a. it provides the eggcell b. it gives birth to the lambc.it providesthe nucleusa female sheep5). dolly the sheep-.a. looked exactly like the sheep that provides the eggb. was the exact copy o

23、f the sheep that provides thenucleusd.itisc. looked like the sheep that gave birth to it d. had the characteristics of all three sheep6). it can be inferred from the passage that a cloned animal -.a. usually lives as long as the original one b. usually lives longer than the original onec. usually di

24、es earlier than the original oned. is usually as healthy as the original one7). which of the following is wrong?a. cloned people would live forever.b. cloned people may be killed at will for medical aid. c. a woman would have difficulty recognizing her real husband.d. men will die out because a woma

25、n can give birth to a baby without a husband8). the sheep that donated the somatic cell mostprobably lived _years.a. 3b. 6c. 12d. 139). which of the following is not an advantage of cloning?a. cloning can be used for medical purposes.b. largequantitiesof food can be produced by cloning.c. famous per

26、sons who have passed away can be cloned.d. cloning can help keep animals from becoming extinct.10). in the second paragraph, the word“straightforward” means _.a. uncomplicatedb. honestc.frankd. difficultsteppost-reading 設(shè)計(jì)意圖 學(xué)生已經(jīng)通過略讀、查讀和細(xì)讀，抓住了文章脈絡(luò)，理解了文章內(nèi)容。在此基礎(chǔ)上，要求更深一步理解文章，因此設(shè)計(jì)了幾道習(xí)題，進(jìn)一步培養(yǎng)和考察學(xué)生的閱讀理解能力

27、。exercise 1 the following statements are about cloning. read them and decide if they are trueor false.writethe letter“ t ” ifthe statementis true. write“f ” if it is false.1). cloning means making a copy of an animal or aplant.(f)2). gardeners can make a lot of money by cloningplants.(t)3). cloning

28、animals is as complicated as cloningplants.(f)4). dolly the sheep was the first successful clone ofa mammal.(t)5). natural clones happen in animals as well as inplants.(t)exercise 2read the passage again and answer thesequestions.1). what are the two major uses of cloning?2). why is it easier to mak

29、e commercial plant clones than animal clones?3). what was the first clone from an adult animal? at what age did this clone die?4). why is cloning controversial in some countries?steplanguage points 設(shè)計(jì)意圖 使學(xué)生理解和掌握一些重點(diǎn)詞匯的用法，進(jìn)一步培養(yǎng)使用英語語言的能力，并加深對(duì)文章的理解。1. identicaladj . ( 常與 with 連用 ) 完全相同的eg.these two designs are almost identical.my opinion is identical with his. 有“同一的，同 的”的意思eg