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人教新课标英语选修9《Unit 4 Exploring plants》教案

1、Unit 4 Exploring PlantsI. 单元教学目标技能目标 skill goals Talk about plants and the history of plant exploration Learn to express emotions of wonders and disgust Learn the Direct Object and the Indirect Object Read about flowers and their animals pollinators Write a description of a plantII. 目标语言功 能 句 式Expre

2、ssions for wonder and disgustWonderUnbelievable!Im surprised / shocked!Thats amazing!Really?It cant be!DisgustIt smells terrible!Its smelly!This is disgusting!Yuck! 词汇1四会词汇pollinate, courtyard, balcony, exotic, distant, Egypt, goods, botanist, scale, conflict, endeavor, anchor, tight, tightly, seal,

3、 container, restriction, fluency, shave, thunderstorm, pirate, appeal, dove, lower, beard, ripe, irrigation, weed, spear, string, spade, postpone, pyramid, monument, rot, nectar, bat, evolve, evolution, attach, moth, wasp, beetle, typical, petal, tube, delicate, fragrant, daisy, odor, odorless, dull

4、, musty, fruity 2认读词汇pollinator, missionary, dIncarville, Joseph, Nathaniel Ward, Wardian case, Father Farges, chrysanthemum, red date, pitcher, Rafflesia arnoldii, humming-bird3词组date back to, appeal to, attach to, give out4重点词汇pollinate, exotic, distant, botanist, tightly, container, evolve, evolu

5、tion, attach, typical, delicate, fragrant, odor, odorless结构 1. Direct object and indirect object2. ing form or the infinitive as the object重点句子1. Collecting “exotic” plants, as they are called, dates back to the earliest times. P322. An important group of collectors were French Catholic missionaries

6、 who, by the middle if the 18th century, were beginning to set themselves up in China. P323. Sir Banks was a very famous British plant collector who accompanied James Cook on his first voyage from England to Oceania. P324. The world of plant exploration was completely changed with Dr Nathaniel Wards

7、 invention of a tightly sealed portable glass container. P325. This invention, called the Wardian case, allowed plants to be transported on long journeys.P326. Pollen becomes attached to the animal during its visit to a flower and is then passed on to another plants blossom on its next visit. P387.

8、Through evolution, most flowers have adapted to attract specific types of pollinators. P388. This kind of evolution where two species have become totally dependent on each other is called co-evolution. P78. 教材分析与教材重组1. 教材分析本单元的话题是“植物和植物采集的历史”,通过单元学习,学生将了解一些植物学的常识、18 和 19 世纪西方植物采集的历史、一些奇异的植物及授粉知识。学生在

9、听、说、读、写等技能训练的基础上,将了解植物对人类的重要意义和植物学家对不同植物种类在全世界的传播所做的贡献,从而培养对植物的兴趣,并能树立爱护植物、保护热带雨林的良好意识。【出处:21 教育名师】1.1 Warming up 是本单元的热身活动,列出了几个有关植物的问题,要求学生回答这些问题,然后小组交流,分享对问题中提到的植物的了解,并能说出一些特殊的植物,从而引发学生对植物这一领域的兴趣。1.2 Pre-reading 是阅读的热身,要求学生结合自己的生活实际回答几个问题,并激发他们了解更多有关植物知识的欲望,例如“植物是如何从一个地方漂流越洋到另一个地方?”等。另外,还要求学生根据文章

10、标题和插图预测文章的内容,为后面的阅读做了充分的铺垫。1.3 Reading 是一篇有关十八、十九世纪植物学研究和探索的文章。该文章介绍了植物收集历史的起源,并介绍了西方历史上几位著名的植物学家以及他们对植物学研究所做的贡献。1.4 Comprehending 设计了四个活动,检验学生对课文内容理解:1 要求学生分析各段落大意,并用自己的语言写出每段的主题;2 列出了一些日期,要求学生运用找读技巧找出每个日期所发生的历史事件;3 要求学生分组讨论一些问题,检验他们对文章一些细节的理解;4 是一个小组活动,要求学生四人一组进行角色扮演,其中一个是船长,其他三个是植物学家,三个植物学家将分别向船长

11、介绍他们各自选择的植物的种种好处,说服船长把他的植物带回本国去。该活动是对文章内容的一个拓展,训练学生应用知识的能力和口语表达能力。1.5 Learning about Language 包括两部分:Discovering useful words and expressions 要求学生运用课文中的单词或短语填空,帮助学生在语境中学习、运用所学词汇;Revising useful structures 是语法学习,帮助学生掌握直接宾语和间接宾语的用法以及动名词或不定式做宾语。1.6 Using Language 包括三部分:Listening and discussing 是关于三个特殊植物

12、的听力和讨论活动,要求学生先根据三个植物的照片分别描述这三种植物,并能把名字和各个植物联系起来。然后听录音完成表格,了解三种植物的名字及其由来、味道、形状、大小、生长地、叶子形状、食物来源, 是否常见以及授粉情况等。通过听录音材料,学生也将学会如何以及从哪些方面来描绘一种植物。另外,学生还将通过录音材料学到描述惊异和恶心两种不同反应的词汇和表达法,并能分组会话,用这些词汇表达对一些不寻常事物的反应。Writing 是一个写作训练,要求学生根据一个图示,用所学的词汇和方法写一段对大王花的描述文字。Reading and discussing 提供了一篇阅读文章,主题是花和它们的虫媒,介绍了不同特

13、点的花会有不同的虫媒。要求学生在读懂课文的基础上,讨论图片中的哪些花需要哪些虫媒来授粉,并能给出理由,即是对阅读理解的检验,也是对所学知识和语言的综合应用。1.7 SUMMING UP 是对本单元所学知识和技能的总结,主要包括以下几个方面:学生了解到的植物、最感兴趣的事物、有用的单词和短语以及识别不同类型的宾语。1.8 LEARNING TIP 建议学生通过搜集不同类型的文章来了解不同类型的文章体裁,并以本单元的文章为例,介绍了如何写一篇类似“18、19 世纪的植物探险”的文章。2. 教材重组2.1 将 Warming up、 Pre-reading、Reading 以及 Comprehend

14、ing 整合在一起,设计为一节“精读课”。2.2 将 Learning about Language 以及 Workbook 中的 USING WORDS AND EXPRESSIONS 和 USING STRUCTURES 整合起来,上一节 “语言学习课”。2.3 将 Using Language 中的 Listening and discussing 和 Writing 整合起来,上一节“综合技能课(一)”。2.4 将 Using Language 中的 Reading and discussing 以及 Workbook 中的READING TASK 整合在一起,上一节“泛读课” 。2.

15、5 将 Workbook 中的 LSTENING 和 TALKING 整合成一节“听说课”。2.6 将 Workbook 中的 LISTENING TASK、WRITING TASK、SPEAKING TASK 以及 PROJECT 整合在一起,上一节“综合技能课(二)”。3. 课型设计与课时分配(共 6 课时)1st Period Intensive reading2nd Period Language study3rd Period Integrating skills()4th Period Extensive reading5th Period Listening and speaki

16、ng6th Period Integrating skills(). 分课时教案The First Period Intensive readingTeaching goals 教学目标1. Target language 目标语言a. 重点词汇和短语 explore, exploration, courtyard, balcony, distant, goods, conflict, anchor, tightly, container, restriction, fluency, shaving, thunderstorm, appeal to, date back tob. 重点句子1.

17、 Collecting “exotic” plants, as they are called, dates back to the earliest times. 2 An important group of collectors were French Catholic missionaries who, by the middle of the 18th century, were beginning to set themselves up in China. 3 Sir Joseph Banks was a very famous British plant collector.

18、Who accompanied James Cook on his first voyage from England to Oceania. 21cnjycom4 The world of plant exploration was completely changed with Dr Nathaniel Wards invention of a tightly sealed portable glass container. 5 This invention, called the Wardian case, allowed plants to be transported on long

19、 journeys.2. Ability goals 能力目标Learn about the history of plants exploration in the 18th and 19th century. Learn the meanings or usages of the target words, expressions and sentences.3. Learning ability goals 学能目标Help the students learn how to sort out the historical events according to time sequenc

20、e.Teaching important and difficult points 教学重难点Help the students have a clear idea of the whole passage by summarizing the topic of each paragraph.Teaching methods 教学方法Scanning, skimming, question-and-answer and group work.Teaching aids 教具准备Projector, slide and tape recorder.Teaching procedures capi

21、tal: Cairogoods: things that are produced in order to be soldconflict: 1. a state of disagreement or argument between people, groups, countries etcconflict overconflicts over wage settlementsconflict betweenthe conflict between tradition and innovationin conflict (with somebody)normal kids who are i

22、n conflict with their parents2. fighting or a waranchor: n. a piece of heavy metal that is lowered to the bottom of the sea, lake etc. to prevent a ship or boat movingat anchorThe ship was at anchor.v. to lower the anchor on a ship or boat to hold it in one placeThree ships were anchored in the harb

23、or.container: n. (contain v.) something such as a box or bowl that you use to keep things inrestriction: a rule or law that limits or controls what people can dotrade / travel restrictionsrestriction onrestrictions on immigrationa 50 mph speed restrictionshave: v. to cut off hair very close to the s

24、kin, especially from the faceshave your head / legs / armpits etcappeal to: if someone or something appeals to you, they seem attractive and interestingThe programme appeals especially to young children.The idea of working abroad really appeals to me.Step HomeworkT: Today we learned the history of p

25、lants exploration in western world. We learned how plants travel from one country to another. During the exploration, some Chinese plants and seeds were collected and transported to the west such as Tree of Heaven and Dove Tree. After class, find some information about these trees. From the passage,

26、 we also learned some new words and phrases. Please make sentences with the following words and phrases and write them on your exercise book: date back to, distant, conflict, tightly, fluency, appeal to.The Second Language StudyTeaching goals 教学目标 1. Target language 目标语言 a. 重点词汇和短语 beard, ripe, irri

27、gation, weeds, spear, string, postpone, pyramid, monumentb. 重点结构-ing form or the infinitive as the objectI enjoy reading cartoons, though I dont quite understand what they are about. P35Jim and Mandy both denied seeing car key. P35Charlie regretted inviting Joseph to the party. P35【来源:21世纪教育网】2. Abi

28、lity goals 能力目标 Enable the students to learn and use the useful words and expressions from the text.Enable the students to revise the use of direct object and indirect object as well as -ing form or the infinitive as the object.3. Learning ability goals 学能目标 Help the students learn how to use the ta

29、rget language in sentences or contexts. Teaching important and difficult points 教学重点和难点Direct object and indirect object.The -ing form or the infinitive that used as the object.Teaching methods 教学方法Explanation and practice.Teaching aids 教具准备Projector and slide.Teaching procedures the leaves are most

30、ly 10-20 cm long and 7-15 cm wide and are ovate to heart-shaped.The Dove tree is best known for its flowers. These form a tight cluster about 1-2 cm across, reddish in colour, each flower head with a pair of large (12-25 cm), pure white bracts at the base performing the function of petals. These han

31、g in long rows beneath the level branches. The flowers are at their best in late May. On a breezy day, the bracts flutter in the wind like white doves, hence the English name for this tree.The species was introduced from China to Europe and North America in 1904, and is a popular ornamental tree in

32、larger gardens. It is able to adapt to the climatic conditions in Europe and North America.Step Discovering useful words and expressionsIn this step, first check the sentences they have made with the words and phrases. Let several of them read out their sentences and correct the mistakes if any. T:

33、Now I think you have mastered the usages of these words and phrase. Lets do an exercise with them. Turn to Page 34, please finish Exercise 2. Complete the paragraph with new words from reading text. This exercise will enable the students to use the new words in context. After they have finished it,

34、check the answers. Then let the students finish Exercise 1. T: OK. Now go over the whole text again and then finish Exercise 1 on Page 34. Complete the sentences with suitable words or expressions from the text. After the students have finished it, check the answers.Step Revising useful structuresFi

35、rst help the students have a general revision of the use of direct object and indirect object. Then help them review the using of -ing form or the infinitive of the verb as the object, summarize which verbs are followed by -ing form and which are followed by the infinitive. Direct object and indirec

36、t objectA direct object receives the action performed by the subject. The verb used with a direct object is always an action verb. Another way of saying it is that the subject does the verb to the direct object. Example: The car hit the tree. To find the direct object, say the subject and verb follo

37、wed by whom or what. The car hit whom or what? Tree answers the question so tree is the direct object.An indirect object is really a prepositional phrase in which the preposition to or for is not stated but understood. It tells to whom or for whom something is done. The indirect object always comes

38、between the verb and the direct object. Example: She gave me a gift. The indirect object always modifies the verb. It may have modifiers and be compound. It is used with verbs such as give, tell, send, get, buy, show, build, do, make, save, and read. Example: She sent the man and me a gift.-ing form

39、 and the infinitiveBoth -ing form and the infinitive of verb can be used as an object. a. Verbs followed by -ing form:acknowledge, admit, anticipate, appreciate, avoid, celebrate, consider, contemplate, defer, delay, deny,detest, dislike, dread, enjoy, entail, escape, excuse, fancy (=imagine), finis

40、h, forgive, imagine, involve,keep, loathe, mean (=have as result), mention, mind, miss, pardon, postpone, prevent, propose, recall, recollect, remember, report, resent, resist, risk, save (=prevent the wasted effort), stop, suggest, understandb. Verbs followed by the infinitive:afford, agree, aim, a

41、ppear, arrange, bother, care, claim, condescend, consent, decide, demand, determine, endeavour, fail, guarantee, happen, hasten, have (= be obliged), hesitate, hope, learn, long, manage, offer, prepare, pretend, proceed, promise, propose, prove (= turn out), refuse resolve, seek, seem, strive, swear

42、, tend, threaten, trouble, undertake, volunteer, vow T: OK, now lets do some exercises. Turn to Page 35, finish Exercise 1-3. Do them individually.After the students finished them, check the answers. Then give some explanations about the new words in this part.beard: hair that grows around a mans ch

43、in and cheeksmoustache: hair that grows on a mans upper lipripe: adj. ripe fruit or crops are fully grown and ready to eat (opposite) unripeirrigation: n. irrigate v. to supply land or crops with waterirrigated land / farms / cropsweeds: a wild plant growing where it is not wanted that prevents crop

44、s or garden flowers from growing properlyspear: 1 a thin pointed stem of a plant2 a pole with a sharp pointed blade at one end, used as a weapon in the paststring: a strong thread made of several threads twisted together, used for tying or fastening thingspostpone: to change the date or time of a pl

45、anned event or action to a later one(synonym) put back(opposite) bring forwardThe match had to be postponed until next week.monument: a building, statue, or other large structure that is built to remind people of an important event or famous person.Step HomeworkFinish the two exercises in USING STRU

46、CTURES in the workbook. Exercises I: Choose the best answer. 1. When asked by the police, he said that he remembered _ at the party, but not _.21 教育名师原创作品A. to arrive; leaving B. to arrive; to leaveC. arriving; leaving D. arriving; to leave2. I really cant understand _ her like that. A. you treat B.

47、 you to treatC. why treat D. you treating 3. He got well-prepared for the job interview, for he couldnt risk _ the good opportunity. A. to lose B. losingC. to be lost D. being lost 4. The man insisted _ a taxi for me even though I told him I lived nearby. A. find B. to findC. on finding D. in findin

48、g 5. In some parts of London, missing a bus means _ for another hour. A. waiting B. to waitC. wait D. to be waitingExercise II: Underline the mistakes in these sentences and correct them1. The theory he stuck to proving correct.2. The door needs repaired.3. Im too busy today, so I cant help cleaning the room.4. Which do you enjoy spending your weekend, swimming or fishing?5. You cant imagine the great difficulty I had found your house.6. Its no use to quarrel with him.7. I regret to tell him the secret last night.8. He devoted himself to teach.Key: : CDBCA