Unit2 Growing Pains-Word power教案

teaching objectives:1. to identify the difference between american english and british english;2. to develop the ability of understanding words in context.

important and difficult points:1. some differences between american english and british english?2. the meaning of some more colloquialisms and their usage.

teaching procedures:step 1. lead-in: get students to answer:1. do you think there are some differences between american english and british english?2. if there are some, in which aspect do they exist?3. have you found any difference between american english and british english in the play?4. could you list the differences you know?step 2. vocabulary learning 1. ask students to go through the examples listed in their books first, then get them to compare what they know with these examples. 2. if possible, invite some students to summarize the differences between american and british englishstep 3. colloquialismsu       lead –inread the sentences and express what the colloquialisms mean.1.though you are busy, could you just lend me an ear for a moment?2.if huston rockets can win this basketball game by twenty points, i will eat my hat.3.i have never expected lily to act as cool as a cucumber in the traffic accident.4.all the family members come to persuade jim to change his idea, but he is as stubborn as a mule.5.as a green hand , robert nearly drove into the grocery on roadside.6.because tod failed in his maths exam, he was as quiet as a mouse when his father scolded him.u       vocabulary extension       get students to do part a and part b in class and check the answers togetheru       exercisesfill in the blanks by using the following colloquialisms.lend me an ear      eat my hat          a no-brainer          a wet blanket   pull my leg         green fingers      rain cats and dogs   green hand make a mountain out of a molehill          as quiet as a mouse  1. kate, don't be_______________ at the party. let's dance together. 2. alice: can you tell me what this sentence means?  tim: this one? oh, it is _________________. i can tell you.  3. jim, when i explain the language points ,you should _________________.