人教版選修九Unit4《Exploringplants》word教案

1、英語：Unit4Exploring plants教案（1）（新人教版選修 9)教學(xué)內(nèi)容： Plant exploration in the 18 th and 19th centuries 語言材料分析：本冊(cè)書針對(duì)的是高三學(xué)生。 本節(jié)為本單元第二課時(shí)， 主要介紹了歐洲 18和 19 世紀(jì)的植 物探險(xiǎn)。本文簡要地介紹一些著名的探險(xiǎn)家和他們所取得的成果。文章屬于總一分的結(jié)構(gòu)。通過本文的學(xué)習(xí)， 學(xué)生可以擴(kuò)大視野， 了解一些植物探險(xiǎn)方面的知識(shí)。 但是這篇文章篇幅上 很長， 信息量很大對(duì)學(xué)生理解該文造成了一定的難度。因此，在本課前要考慮這一問題，幫助高三學(xué)生提高閱讀速度和對(duì)細(xì)節(jié)信息的分析。Teachin

2、g goals:1. Language target:A. Key words and phrase:exotic, conflict, container, restriction, date back to, appeal toB. Key sentencesa. Collecting“ exotic ” plants, as they adraetecsalbleadk,e to the earliest times.b. However, it was not until the eighteenth and nineteenth centuries that the explorat

3、ion ofthe botanical world began on a large scale.c. One of the collectors was Father Farges, who collected 37 seeds from a tree that has appealed to him.d. The European classes took great interest in collecting plants.e. Large numbers of seeds failed to grow after long sea voyages.2. Ability goalsA.

4、 Students get some information on plant exploration.B. Students get the main idea, find and infer information according to the reading material.C. Students express their ideas after reading.D. Students help, cooperate and communicate with each other.Teaching important pointsTo enable students to und

5、erstand the reading material by using predicting, skimming, scanning, analyzing, summarizing and inferring after reading.Teaching difficult points1. To enable students make use of given information to express their opinions on the passage.2. Help students observe language points and prepare for the

6、grammar revision.Teaching methodsTask-based learning approach, competition, group work, discussionTeaching aidsMulti-media computer platform, group cardsTeaching proceduresStep 1. Lead-in (3 )A. Divide the whole class into small groups.B. A video clipFocus: To arouse studentst anindtegrivees the tas

7、k to students.Step 2. Pre-reading (3 )Predict according to the title.The author may tell us in this passage.A. some plants from other countriesB. the events happening in plant explorationC. how to explore plantsD. famous plant collectorsFocus: Students can make prediction after observing the title c

8、arefully.Step 3. While readingPart 1. Fast readingRead for the main idea and solve the task given in pre- reading. (Students work in groups and work out the questions).Part 2. Detailed reading (20 )(Students write down the words, phrases and sentences they can utnderstand and work in groups to solve

9、 them and work out the multiple choices questions).Task 1. Scanning1. Plant collectors met many difficulties except.A. diseases and near-starvationB. the conflicts with local peopleC. restrictions on the movement of EuropeansD. lack of money2. Who is not a collector mentioned in the passage?A. Fathe

10、r d Incarville.B. The Queen of England.C. Robert Fortune.D. E H Wilson.3. The following plants were taken to Europe except.A. the tree of HeavenB. the Dove TreeC. the tea plants4. The first recorded plant exploration happened .A. in the 18th centuryB. about 1500 years agoC. about 3500 years agoD. ab

11、out 2500 years agoFocus: To develop students ability to search for detailed information.Task 2. Analyzing1. The passage is organized in the order of .A. timeB. placeC. characterFocus: To develop stude nts ability to an alyze the whole passage.Task 3. Inference1. What do you think the author will tal

12、k about if he adds a paragraph to this passage?A. The effects of the plant exploration in the 18 th and 19th centuries.B. The plant exploration in the 20 th century.B. In formati on about the Dove Tree.Focus: To help stude nts read bey ond the read ing material and make their own judgme nt accord in

13、gthe reading material.Task 4. Lan guage observati on1. What is the meaning of the underlined part in the sentence“ One of the collectors was FatherFarge, who collected 37 seeds from a tree that had appealed to him ” ?A. that surprised himB. that he had n ever see n beforeC. that attracted himD. that

14、 he thought was very valuable2. The earliest record of plant exploration in history dates from 1500 BC.The earliest record of pla nt exploratio n in history 1500 BC.3. People did n t beg in to explore pla nts on a large scale un til the 18th and centuries.It wasthe 18th and 19th cen turies that peop

15、le bega n to explorepla nts on a large scale.4. The parts in red are used asin the senten ces.A. the subject B. the object C. the predicative1. He collected seeds of trees.2. French Catholic missi on aries were begi nning to set themselves up in China.3. The Europea n classes took great in terest in

16、 collect ing pla nts.4. Large nu mbers of seeds failed to grow after long sea voyages.5. often we do not realise that many of hem come from countries far away.Focus: To help stude nts infer the mea nings accord ing to the con text.To help stude nts observe the feature of the object and prepare for the grammar lear ningStep 4. Post-readingHelp Liang Qiming find out who made the greatest contribution in plan