北師大版高中英語選修八Unit22《EnvironmentalProtection》教案5

1、名師精編 優(yōu)秀教案安徽省滁州市其次中學(xué)高中英語 Unit22 Environmental Protection The Ninth Period Communication Workshop II 教案北師大版選修 8 Teaching goals 教學(xué)目標(biāo)1. Target language 目標(biāo)語言重點(diǎn)詞匯和短語to sum up, for example, as a result, however, in addition, apart from, although, such as, according to 2. Ability goals 才能目標(biāo)To practice writi

2、ng a report To practice using formal linkers To practice using synonyms to avoid repetition Enable students to show sympathy in communication and use ellipsis in speaking. 3. Learning ability goals 學(xué)能目標(biāo)Enable students to write a report. Teaching important points 教學(xué)重點(diǎn)How to write a reportTeaching dif

3、ficult points 教學(xué)難點(diǎn)How to use formal linkers and how to avoid repetitionTeaching methods 教學(xué)方法Speaking, discussing and writing Teaching aids 教具預(yù)備Multi-computerTeaching procedures & ways 過程與方式Step I Revision Check the homework Step II Writing: A Report 名師精編 優(yōu)秀教案Before you start Deal with Ex1. Ask stude

4、nts to match sections A-D with the headings in Ex1 on Page 12. T: Here is a report on Noise pollution and noise control measures in China. Please read the report quickly and match sections A-D with the headings in Ex1 on Page 12. Deal with Ex2. First explain the function of linking words and express

5、ions. Then ask students to finish Ex2. T: In this class we are going to using formal linkers. Show the following on the PowerPoint. Linking words are essential for your writing to be natural and clear. The function of linking words Linking devices are neither nouns, nor verbs. They provide a text wi

6、th cohesion and illustrate how the parts of the text relate to each other. Here are some of the functions which linking words provide. Adding extra information to the main point, contrasting ideas, expressing cause and effect, showing exactly when something happened narrating, expressing purpose why

7、. and opinion, listing examples, making conclusions and giving emphasis. The majority of linking devices can be followed by either a noun phrase or a clause. Here is a list of the principal linking words in English, their function and if their position is usually fixed. Linking words - by Viv Quarry

8、 Adding and Contrasting Expressing cause / 名師精編 優(yōu)秀教案reason *and *but because as well as However, as besides Although since Moreover, despite As a result, Furthermore, In spite of This is why What is more, Nevertheless, because of In addition, On the contrary, Due to not only . but also on the one ha

9、nd Owing to another point is that on the other hand, For this reason, whereas relative clauses while Expressing effect / who where but while result that that which For one thing, *so whose to whom In contrast, so . that when what neither . nor such a .why Therefore Thus Consequently, too . for / to

10、not enough . for / to Narration Expressing purpose First of all immediately to At first Once so as to At the beginning Suddenly in order that In the beginning As soon as so that then 名師精編優(yōu)秀教案for Non-specific on next No sooner . than Expressing opinion Before Hardly . when After Finally I would say t

11、hat After that Eventually In my opinion, afterwards At the end I think that When In the end I believe that While At last Personally during To begin with, Apparently, Soon until prior to Giving examples Summing up / concluding Emphasis for example, All in all especially for instance, overall particul

12、arly this includes generally Naturally, such as e.g. for In conclusion, exac tly because example on the whole above all i.e. that is in the main Whatever To sum up, Whenever too / enough The more . * Avoid starting a sentence with these words. Step III Practice Deal with Ex1 in Language Power on Pag

13、e 60. Students work individually 名師精編優(yōu)秀教案Then they will to finish the exercise in eight minutes. compare their answers in groups. Then Teacher will ask four students to read the article each student one paragraph and check the answers during this procedure. Step IV Synonyms Deal with Ex3&4 on Page 1

14、3. T: In writing we can avoid repetition by using synonyms. Find words and e xpressions in the report which are similar to the given words and expressions in Ex3 on Page 13. Do the exercise individually. Then we will check the answers together. Deal with Ex4 in the same way. Step V Practice Deal wit

15、h Ex2 in Language Power on Page 60. Ask students to work in pairs and use a good dictionary when necessary. Step VI Write a report First explain the stages to write a report to stude in groups to write the report. nts. Then students will work T: Attention, please. In this class weve learned how to u

16、se linking words and expressions and how to avoid repetition. These are techniques to write a report. Next we will learn the stages to write a report. How many stages are there to write a stage. Ss: Five. T: Please read the five stages together. Stage 1 Choose the subject for your report. Stage 2 Fi

17、nd out statistics and information about the topic of your report. Stage 3 Plan your report. Decide if the statistics should be included in the positive or negative facts. Think of one or two recommendations for the conclusion. Stage 4 Write your report. Try to avoid repeating words and expressions.

18、Stage 5 Check your report. 名師精編 優(yōu)秀教案. Students are given enough time to write the report. After they finish the report, ask several students to read their reports to the class. Or show thei r reports on the projector, correct the mistakes with the whole class if there is any. If time is limited, stu

19、dents may finish writing the report out of class. Step VII Homew ork 1. Do Ex3 on Page 61. 2. Finish the report. A sample of a report Global warming There are many problems concerning the environment. Pollution, destruction of the rainforests, and the consumption of all of our planets natural resour

20、ces are just a few. None of these issues quite compare to the problem of global warming. Global warming is caused when factories and cars burn fossil fuels and let off carbon dioxide into the atmosphere. Carbon dioxide in the atmosphere plays an important role in warming the earth by trapping the ea

21、rth s heat, in whats called the greenhouse effect. The burning of fossil fuels has generally increased the amount of carbon dioxide in the atmosphere. The carbon dioxide then puts a layer on the greenhouse gasses. The greenhouse gasses let in rays from the sun but dont let them out. As the concentra

22、tion of greenhouse gases grows, more heat is trapped in the atmosphere and less escapes back into space. This increase in trapped heat changes the climate and alters weather patterns, which may hasten species extinction, influence the length of seasons, cause coastal flooding, and lead to more frequent and severe storms. Are governments doing enough to prevent global warming. Global warming c