英语:Module4VocabularyandReading(Module4GreatScientists)教案(外研版必修4).doc
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1、Vocabulary and ReadingThe General Idea of This PeriodIn this period,well learn something about a famous Chinese scientistYuan Longping,who is called “the father of hybrid rice”.The teacher may ask the students to get the main idea of each paragraph in the course of fast reading.Then the teacher may
2、show them on the screen,such as staple,leading,nickname,species,etc.By guessing from the whole context they will have a good sense of enlarging their vocabulary and this is very important in learning a language.Then well do some careful reading and exercises to consolidate our understanding of the t
3、ext.Meanwhile we can learn some reading strategies such as skimming and word guessing.Teaching Important PointsMake the students learn the story of Yuan Longping and his contribution to China as well as the world.Learn and master some important words and phrases in this period.Teaching Difficult Poi
4、ntsHow to help the students improve their reading ability and understand the passage better.How to master the important Language Points in this passage.Teaching MethodsFast reading to get the main idea of the text.Intensive reading to understand the passage better.Discussion to help the students und
5、erstand what theyve learned better.Explanation to help the students master some Language Points.Teaching Aidsa tape recordera multimedia(if possible)Three Dimensional Teaching AimsKnowledge and SkillsTrain the studentsreading ability.Learn some useful words an expressions.Learn some information abou
6、t the famous scientist.Process and StrategiesMake the students know more about Yuan Longping and let the students learn his spirits of diligence and perseverance.Feelings and ValueThrough the study of this period the students will surely have a better understanding of this famous scientist and learn
7、 from him and make contribution to our country.Teaching ProceduresStep 1 Greetings and RevisionT:(Greet the whole class as usual.)Now,lets have a quiz.(Show the following on the screen.)Write the scientist by the statement.Example:She studies the structure of all living things.She is a biologist.1.S
8、he studied radioactivity._2.He works in a research laboratory which develops new types of plastics._3.He studies the behaviour of wild pandas._4.They discovered the life molecule(分子)DNA._5.They are making a complete list of all the plants in the nature reserve(自然保护区)._Suggested answers:1.Shes a phys
9、icist.2.Hes a chemist.3.Hes a zoologist.4.They are geneticists.5.They are botanists.Step 2 Fast readingT:OK,so much for revision.(Show the students the titleThe Student Who Asked Questions on the screen or write it on the blackboard.)This is the title of the reading passage well learn today.Guess wh
10、at the passage might be about.(After a while of thinking,ask few students to answer it.)Sa:It may be about a hard-working student.Sb:I think it may be about a famous person.T:Yes,maybe.Now read the passage as quickly as you can and to check your guess.Meanwhile,try to get the main idea of each parag
11、raph.(several minutes later)T:Lets see if your prediction is right.What is the text about?Ss:A famous scientistYuan Longping.T:Yes,you are quite right.Can you give us the main idea of each paragraph?(Encourage some student to tell about his or her idea.)Main idea of each paragraph:Paragraph 1:Yuan L
12、ongping is a leading figure on the rice-growing world.Paragraph 2:As a boy,he was called “the student who asked questions”.Paragraph 3:As a young teacher,he began experiments in crop breeding.Paragraph 4:He discovered a new type of rice.Paragraph 5:His discoveries have brought in great profit.Paragr
13、aph 6:The yield of the new hybrid rice is much greater than that of other types of rice grown in Pakistan.Step 3 Careful readingT:Read the passage again and underline the new words.After that,well do some other exercises.(After a while)Look at the words on Page 33 in Activity 3.Match the words in th
14、e box with the definitions.agriculturebreakthroughbreedcropfeedproducerpublishspeciessupport1.plants people grow for food2.a very important discovery3.to produce new plants or animals 4.to give help5.to give food to6.to make information known,for example,in a report or a book7.someone who makes thin
15、gs or grows food8.a type of plant or animal9.the science of farmingFirst,read through the words in the box and have the students repeat them chorally and individually.Pay attention to those words where the stress is not on the first syllable,such as agriculture producer,support.Then ask them to comp
16、lete the activity individually and check with their partners.At last,call back the answers from the whole class,having one student read the definition and another give the correct word.Suggested answers:1.crop2.breakthrough3.breed4.support5.feed6.publish 7.producer 8.species 9.agricultureT:So much f
17、or Activity 3,now lets come to Activity 4.Well do another word exercise.Choose the correct meaning of the words in italics.1.A staple food is one you eat_.(a)rarely(b)regularly2.If you cross two plants you_.(a)walk past them(b)produce a new plant3.A yield refers to_.(a)quantity(eg of food)(b)quality
18、(eg of food)4.A sterile plant is a plant which doesnt_.(a)grow quickly(b)produce seeds5.A hybrid is a plant which comes from_.(a)one plant(b)two different plantsAsk the students to complete the activity individually,then collect the answers from the whole class as complete sentences.Suggested answer
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