高二英語unit學案

1、Unit 4 Green World一、知識部分重點單詞procedure bunch merely classify promote appetite appoint calculate expense involve settlement accumulate abandon tone reward technician nowhere altogether latter distinguished appearanceb5E2RGbCAP重點短語look out for ,on a large scale, year after year, pass away, name after,i

2、n detail, a bunch of, be suitable to, havein common, belong to, abranch of, classify into, base on ，according to, have an appetite for, appoint - as- -, lead a cosy life, be involved in, at one s ownexpesse, give birth top1EanqFDPw重要句型強調句型交際用法speak about proceduresI divide the stage into three parts

3、Firstly, It is very important in the middle partThe last part isThis is the whole case.語法賓語I gave an apple to the old man yesterday.I appreciate walking along the street with my sweetheart.DXDiTa9E3d能力部分（writing a pocedure二、教案過程period IStep 1Warming upLook at the pictures and match each flower with

4、its correct name.RTCrpUDGiT.Can you tell something about each flower? Where does it come from?5PCzVD7HxA.What is it used for?.Which flower is your favourite? Explain why.What vocabulary will you need to talk about flowers and plants?jLBHrnAILgStep 2Listening（略Step 3Speakingspeak about proceduresI di

5、vide the stage into three part sFirstly, It is very important in the middle partThe last part isThis is the whole case.Step 4HomeworkPeriod II and Period IIIReading:Warming upLook at the pictures and match each flower with its correct nameWhich flower is your favorite? Explain why.Pre-readingWhy was

6、 Carl Linnaeus important to the history of botany as a science?His system of grouping plants in families was unique, which based on the arrangement of the male and female organs in the flowers.While-readingFast readingHow many people are mentioned in the passage?Carl Linnaeus Daniel Solander Joseph

7、Banks Captain CookCareful readingBefore Linnaeus botany was . DA. studied by doctors B . unknown to anyone C . fully developed D . a branch of medicineSome economic species plants such as could help to developlocal economies CA. rose and peony B . tea and apple C . cocoa and hemp D . Cocoa and lemon

8、It was who made Kew a centre of scientific and economicresearch AA. Joseph Banks B . Captain Cook C . Linnaeus D . Daniel SolanderParagraph one of the text mainly tells us. CA. the importance of botany B . how to classify plant species into groupsC. Linnaeus contribution to botany D . Linnaeus disco

9、veries about different speciesCaptain Cook made voyages altogether around the world. CA. one B . Two C. Three D.fourPost-readingHow did scientists classify plants before Linnaeus?Some scientists classified plants into herbs and trees, or according to the shape of the fruit, or whether they had flowe

10、rs or not.What were the goals of James Cook s first voyage around the world? To study the passing of the planet Venus across the sun。to record, classify and describe all plant and animal life observed during the trip 。to search for an unknown southern continent.Why did Joseph Banks have to supply hi

11、s own money to equip part of the expedition?Because the government would not pay for such a new field of science as botany.What could be a possible explanation for the namea strawberryWhen people plant strawberry, they spread straw under the fruit to reduce the necessary amount of watering.Translate

12、 the following phrases into English:.詳細地 in detail.處于支配的地位，負責in charge of. 由負責 in the charge of.任命某人為appoint sb. as.將分類成 classify - into .計算之間的距離 calculate the distance between . 一代一代傳下去 pass on from one generation to the next.建于之上；以為基礎 be based on.參與。 陷入 的活動be involved in.根據(jù)。視而定；按照 according to.搜索；

13、尋找 search for.總而言之 altogether. match with 在品質；顏色；設計等方面）相等，相當，相配.at the age of 在歲時.look out for 警惕。留心。守侯.on a large scale大規(guī)模地。大范圍地.year after year 年年。年復一年.pass away 逝世.name - after 給取名。命名n detail 詳細.take care of關心。照顧.classify - into 分類。歸類.develop a lifelong friendship with與結存了 終生好朋友.born into 出生.have

14、 an appetite for knowledge 有求知欲.appoint sb. as 委派。任命某人為.spread over 傳播。流傳.a great deal of 大量。許多（用于不可數(shù)名詞.lie in 在于.related to與有關.the key to關鍵是（在于.adapt to 適應于.be sunken into 墮入 xHAQX74J0XPeriod IVIntergrating skillsTeaching Aims :Get the students to grasp the main idea of the text so as to improve th

15、eir reading ability . LDAYtRyKfEGet the students to learn the scientific way for the scientists todo their research work . 一 the way to think and observe . Zzz6ZB2LtkGet the students to write a description of plants. dvzfvkwMIITeaching Important PointsHow to analyse fin article so as to grasp its ma

16、in idea. rqyn14ZNXIHow to write a description according to the information given . EmxvxOtOcoTeaching Difficult PointHow to improve the students reading abilityhow to analyse anarticle.SixE2yXPq5Teaching Methods :Pair work or group work to make every student take an active part in the class . 6ewMyi

17、rQFLDiscussion to get the students to understand what they are 1earning better . kavU42VRUsTeaching Aids :1 acomputer 2 a coursewarea tape recorderTeaching procedures:Step I Greetings and RevisionGreet the whole class as usualT： In the last period 。you were told to make sentences with the useful wor

18、ds and expressions in the text . Have you got prepared?(Ss Yes. Now read the sentences to us . Volunteer!One student , one sentence . y6v3ALoS89 Sa： make attempt to do sthThey made no attempt to escape . (at escapingSb: classifyThe books in our school library are classified according to subject . M2

19、ub6vSTnP Sc： groupGroup together in two!Sd： identificationHe carries identification with him at all times when he is out . OYujCfmUCw Se： promoteHe works to promote the friendship between the two countries . eUts8ZQVRdSf： privilegeThey fight against privilege in order to create a fairer society . sQ

20、sAEJkW5T Sg： cosyHe lives in a nice cosy little houseSh： have an appetite forThe enemy had no appetite for the fight Si: appointHe was appointed minister to a foreign country.Sj: calculateThe scientists caculated when the spaceship would reach the moon with a calculator . GMsIasNXkASk： on a large sc

21、aleThe work of reforming industry carried out in all provinces on a large scale . TIrRGchYzg Sl: involveThe case involved several leadersSm accumulateHe accumulated a fortune by investing wisely Sn： abandonHe found a baby abandoned by his parents.Step II Preparation for ReadingT : So much for homewo

22、rk . Now open your books and turn to Page 169. Let s read the new words and expressions of this period. Whowill read them to us?7EqZcWLZNXSl : I ll try .(Teacher asks some students to read the new words and expressions . While reading , let other students correct the mistakes made by the students .

23、Then play the tape to get the students to fol1ow . Teacher may give brief explanationlzq7IGf02Eabout their usages when necessary . Step HI Fast -readingT : You ve learnt something about Carl Linnaeus 。Daniel Solander and Joseph Banks in the text we ve just studied . And you ve read about Michurin an

24、d Darwin . Today, we ll learn about another two scientists Gregor Mendel and Gote Turesson . What did they do? What contribution did they make?Afterwe； ve learnt thepassage. I II sure you 11 have a clear idea . zvpgeqJ1hk(Show the following on the screen Now read the text fast and try to grasp the m

25、ain idea of the text as much as possible. Then find answers to the questions on the sceen.NrpoJac3v1Answer the following questions:What was Charles Darwin s hobby when he was young?1nowfTG4KIWhat led Darwin to write his famaous book “On the Origin of Species ？fjnFLDa5ZoWho founded the science of gen

26、etics?Who made contribution to the improvement of the output of crops according to the text?tfnNhnE6e5(Students begin to read the taxt. After a few minutes, teacher says the followingHbmVN777sLT : Have you finished?Ss : Yes, we have.T : Now give us the answers, please. One student , one question . V

27、7l4jRB8HsSb : 1. When he was young, Darwin enjoyed doing all kinds of experiments and studying physics, chemistry and later botany was his hobby.83lcPA59W9Sc : 2. When he was twenty-two years old , he was invited to take part in the scientific expedition on the five-year voyage led him to write his

28、famous book : On the Origin of SpeciesmZkklkzaaPSd : It was the research work of Mendel that gave birth to the science of genetics.AVktR43bpwSe : Mendel, s genetics and Turesson s findings are both impor tant to the output of crops . ORjBnOwcEdT ： What you said is right. Thank you for giving us such

29、 good a2MiJTy0dTTStep IV Reading and Comprehension:T: (Show the following on the screenNow let s read the text again and discuss the questions on the screen.Pairwork or group work . gIiSpiue7AThe research of Charles Darwin, Gregor Mendel and Cote Turesson is like pieces in a puzzle that show a compl

30、ete picture when put together.uEh0U1Yfmh(1What did Darwin discover about bird species in Galapagos?IAg9qLsgBX (2What did Mendel observe in his experiments with peas?WwghWvVhPE (3Looking at wild plant species in Sweden , what did Turesson discover?asfpsfpi4kComplete the following sentenceDarwin s dis

31、coveries in Galapagos were based on differences wild species , while Turesson s observations showedthat there are stable varieties wild species. ooeyYZTjj1That soil conditions are important to the output of crops was known more than 2000 years ago . Why are Turesson s discoveries still important to

32、agriculture then?BkeGuInkxI(Teacher goes among the students and joins the students in their discussion PgdO0sRlMoT： (After some minutes discussion . Now give us your answers , please. Who will answer the first question?3cdXwckm15Sf: He found 13 kinds of findes , related to each other in the structur

33、e of their beaks , tails , shape of body and colour of their feathers . The most curious fact was the differences in the size of the beaks. This could only be explained from the differences in habitat and source of food . The birds with broad beaks would eat hard seeds , while the birds with smaller

34、 beaks would eat soft seeds or insects . h8c52WOngMT： Please give us the answers to the second question . v4bdyGious Se： He found that many characteristics were passed on from one generation to the next without influence by the environment . J0bm4qMpJ9Sh： Ill answer the last question of Part 1. He f

35、ound evidence for theexistence of stable varieties within species in nature. He showed thatdifferences between plantsof one species occurred as a resultof the environmental conditions in their habitat. XVauA9grYPSi: I think , in Part 2 , for the first blank , we should fill in the words “of differen

36、t , , and the second , “of the same . Am I right?bR9C6TJscw T: What do you think, Sj?Sj: I think he is rightT: For the last question, what are your opinions?Sk: Soil conditions are important to the Output of crops. But that isone side of the question. The research by Darwin, Mendal and Turessonshows

37、 that both genetics and the environment are important to plants . If we don t have good seeds , good soil conditions are not enough for us to improve the output of the crops. Am Iright?pN9LBDdtrd Ss： We agree with you .(Teacher plays the tape after the students discussion . Then teacher asks student

38、s to read the text aloud and find questions in the text . Teacher gives brief explanation to them . DJ8T7nHuGT Step V Summary and HomeworkT : Now let s think about a question : What can we learn from the text?(Write itQF81D7bvUAon the blackboard . Discuss it with your partner . (After a while . Who

39、can tell us what you think?4B7a9QFw9hS1 : We should observe everything carefully and think deeply, thenwe can draw flix6iFA8xoX good conclusionT : Very good . Now let S see how the scientists observe and think . wt6qbkCyDE(Teacher writes Observation , Thinking . Conclusion the Bb. Kp5zH46zRkT : So m

40、uch for the text . Now today s homework：. Make sentences with the words and phrases : whatever : lead sb. to do sth . ; nowhere, variety ; in viewYl4HdOAA61. Do Writing on Page 35 Sample writingDandelionsIn nature , there are varieties of environmental conditions for the plants to grow in . Some pla

41、ces are hot and dry and there is little rain while in other places it is cool and wet. So the same plants that in different places are quite different.ch4PJx4BlILet s take oanaeuons as an example. They are widespread and can be found almost everywhere . Their yellow flowers are beautiful and their l

42、eaves look like the teeth on a saw. The wind spread theirflowers and seeds everywhere , so when they grow in hot and dry places , they are low and thin . Their flowers and leaves are short and light in colour . 510 centimetres long . They grow close to the ground and their roots are deep in it Their

43、 hearts are a little sunken into the earth , so that the rain water can flow from the leaves to the heart where the roots are qd3YfhxCzoBut in places it is cool and wet , things fire different . They become higher and stronger and can grow as long as 15-20 centimetres . Theirleaves are broader and t

44、heir flowers are larger. Thecolour of the flowers and leaves becomes darker green. If some weedsare taken here , there will be many of them a few weeks later . E836L11DO5A great Swedish scientist Cote Turesson said that differences between plants of one species occured as a result of the environment

45、al conditions in their habitat . From dandelions we can see this clearly . S42ehLvE3MStep VI The Design of the Writing on the Blackboard Step VH Record after Teaching 語言點講解procedure n.程序。手續(xù)。步驟，工序；UCThe chairman was quite familiar with the procedure for conducting a meeting.501nNvZFis 主席對開會的程序很熟悉。The

46、 new work procedure is a great improvement on / over the old one.jW1viftGw9 新工序比起老工序來是一個巨大的改善。The next procedure is as follows.He complained to the manager, and by this procedure got the money back.xS0DOYWHLP他向經理投訴，通過這種程序拿回錢 下一個步驟如下。.常規(guī)。傳統(tǒng)的做法CUThe first step in the procedure for making a kite is to

47、build the frame.LOZMkIqI0w制作風箏的第一步是做骨架bunch n.C.串，束(+ofMiss White received a bunch of flowers from her admirer.ZKZUQsUJed 懷特小姐收到愛慕者所送的一束花。a bunch of grapes 。 一串葡萄.【口】群，伙，幫GA bunch of children were at play.一群孩子在玩。merely adv.僅僅；只不過I merely looked at the chocolate 。I did not eat it.dGY2mcoKtT 我只不過看了看巧克

48、力，我沒有吃。They are not merely content to fill the stomach.他們不僅僅滿足于填飽肚子。You dont have to be angry. He merely wanted to know the truth.rCYbSWRLIA你不必太生氣了，他只不過是想知道點事實真相。That was merely a guess of mine.那只是我的一種猜測。classifyvt.將分類。將分等級People who work in libraries spend a lot of time classifying books.FyXjoFlMWh

49、在圖書館工作的人花大量的時間為書籍分類。Eggs are classified according to size.雞蛋按大小分等級。identification n.認出。識別。鑒定。確認Uthe identification of criminals by their fingerprintsTuWrUpPObX 憑指紋確認罪犯.身份證明。身份證UCI used my drivers license as identification.我用駕駛執(zhí)照作為身份證明。Have you any identification?你有身份證明嗎？His only means of identificat

50、ion was his passport.他唯一證明身份的證件就是他的護照。vt. identify vt.1,確認。識別。鑒定，驗明（+asShe identified him as her attacker.她認出他就是襲擊她的人。I cannot identify this signature.我識別不出這是誰的簽字。promote vt. n. promotion晉升 captain.7qWAq9jPqE那個年輕的陸軍軍官已被提升為上尉。使（學生 升級（+toPupils who pass the test will be promoted to the next higher gra

51、de.llVIWTNQFk通過考試的學生將升到高一個年級去。促進。發(fā)揚。引起The Prime Ministers visit will promote the cooperation between the two countries.yhUQsDgRTI 首相的訪問將促進兩國間的合作。privilege n.特權。優(yōu)特CUHe enjoys diplomatic privileges.他享有外交特權。I had the privilege of meeting the queen.我有會見王后的特權。Education should not be considered to be a pr

52、ivilege in a modern society.MdUZYnKS8I在一個現(xiàn)代社會中，受教育不應該被看成是一種特權。.（個人的 恩典，殊榮SIt is a great privilege to know you.認識你真是莫大的榮幸。appetite n. UC.食欲，胃 口 （+forExercise gave her a good appetite.運動使她胃口大增。to lose ones appetite食欲不振.欲望。愛好（+forAt the moment she had no appetite for gossip.此時此刻她無心閑聊。an appetite for le

53、arning.學習的強烈愿望 wealth n.The father passed on the familys wealth to his son.09T7t6eTno 這位父親把大筆家產傳給兒子。.They appointed him (to be manager.他們任命他為經理。He appointed W川iams as his deputy in the city of York.e5T億QIUB5 他任命威廉斯作為他在約克市的代理人。He was appointed chairperson of the committee 。他被任命為委員會主席We must appoint a

54、 new teacher at once to the mountain school.s1SovAcVQM我們必須立即委派一名新教師到那山村小學去。.約定，指定。安排Our visitors arrived at the appointed time. 我們的來賓在約定的時間到達了。They will appoint a date for the examination.他們將指定考試日期to appoint a time for the meeting 指定開會時間They appointed a place to exchange stamps.他們約定一個地方交換郵票。n. appoi

55、ntment.(尤指正式的 約會C(+with+to-vI have an appointment with them in the evening.今晚我與他們有個約會。.(會面的 約定U.任命，委派U(+as/ofThe appointment of a new judge was reported in the newspaper.GXRw1kFW5s 報上報導了任命一位新法官的消息。Calculatevt. vi.計算Has Edward calculated the result?愛得華算出結果了嗎？Our price has already been closely calcula

56、ted. There is no room for reduction.UTREx49Xj9我們的價格是經過精密計算的，無讓步余地。The scientists are able to calculate accurately when the spaceship will reach the moon.8PQN3NDYyP 科學家能準確地計算出太空船什么時候抵達月球。.估計；推算They calculated the cost of a journey 他們估算了旅游所需費用I calculate that Aunt Lena will arrive at 8.00 p.m.mLPVzx7Z

57、Nw 我估計李娜阿姨將于下午八點到達。I calculate youll get there in time. 我認為你們趕到那兒.Expensen. adj.expensive.費用。價錢。支出。消耗SI dont think we can afford the expense. 我認為我們負擔不了這個費用。A motorcycle can be a great expense. 買一輛摩托車可能要花很多錢。The expenses added up to $50. 費用加起來共計五十美元。.開支。經費PHe said the office expenses were too big. 他認

58、為辦公室的花費太大了。What are the expenses of moving house?搬家的花銷是多少？.代價 spare no expense 不惜代價We must spare no expense to save his life.不惜代價挽救他的生命look out for 警惕，留心；尋找watch out for ； keep a watch for 密切注意； 提防When youre eating fish , look out for the bones . 吃魚的時候，當心魚 刺。AHP35hB02dYou must look out for catching

59、cold .你得小心，不要感冒了。seek if one can find 尋找W川 you go to the station and look out for your uncle?你去火車站找你叔叔嗎？ NDOcB141gTWe have been looking out for a new house , but the ones weve seen have all been too expensive .我們一直在找一所新房子，但是我們看的幾所 房子都要價太高。1zOk7Ly2VA Investors look out for better returns投資者尋求好的回報take

60、 care of 照顧；照看You neednt worry about me , I can look out for myself .你不用替我擔 心，我會照顧自己的。fuNsDv23Kh on a large scale大規(guī)模地They are preparing for war on a large scale.他們正在大規(guī)模地備戰(zhàn)。* involve vt.使卷入，連累。牽涉(+in/withThats no concern of mine. Im not involved.那與我無關，我未卷入。Dont involve me in your quarrel!不要把我牽扯進你們的爭吵