Unit 4 Global warming Language Points 教学内容分析 The emphasis of this period will be placed on the important new words，phrases and sentence patterns in Warming Up，Pre－reading，Reading，Comprehending and Discovering useful words and expressions in Learning about Language.There are altogether 53 new words and phrases in these five pa rts.20 of them are marked with triangles，which shows that the students needn't learn them by heart.It is enough to recognize them when meeting them while reading the passage.The other 33 should all be remembered，among which the following words and expressions are even more important：tend，range，subscribe to，go up，widespread，state，glance，steady，tendency，keep on，on the whole，quantity of，be opposed to，come about，result in，even if.They are all very useful and important.So are the sentence patterns “...it is a rapid increase when compared to other natural changes.” and “There is no doubt that the earth is becoming warmer...” We ought to pay more attention to them. 三维目标设计 Knowledge and skills 1．To get the students to learn to use the following important new words and phrases freely：tend，range，subscribe to，go up，widespread，state，glance，steady，tendency，keep on，on the whole，quantity of，oppose，come about，result in，even if. 2．To get the students to understand and use the following important and useful sentence patterns： (1)．..it is a rapid increase when compared to other natural changes. (2)There is no doubt that the earth is becoming warmer... Process and methods 1．To help the students to understand the meanings of the above useful new words and expressions in the context，and then give some explanations about them，and at last offer some exercises to make students master their usages. 2．To ask the students to make up their own sentences by imitating the above sentence patterns. 3．At the end of the class，make students do more exercises for consolidation.In doing so，they can learn，grasp and use these important language points well. Emotion，attitude and value 1．To stimulate students' interest in learning English. 2．To develop students' sense of cooperation and teamwork. 教学重、难点 1．Important new words and expressions：quantity of，oppose，come about，result in，even if. 2．Important and useful sentence patterns： (1)．..it is a rapid increase when compared to other natural changes. (2)There_is_no_doubt_that the earth is becoming warmer... 3．Some difficult and long sentences in the text. ?Step 1 Revision 1．Check the homework exercises. 2．Ask some students to talk about global warming. ?Step 2 Reading and finding Get students to read through Warming Up，Pre－reading，Reading，Comprehending and Discovering useful words and expressions in Learning about Language to underline all the new words and useful expressions or collocations in these parts.Read them aloud and copy them down in the exercise book. ?Step 3 Practice for useful words and expressi ... ...
