2011高中英语 M2U2wordpower2学案 牛津译林版必修2

2011 高一英语学案：M2U2word power2（牛津译林版必修 2）Learning content: Word Power M2U2 Learning Aims: 1.Deals with different expressions related to jobs.2.Increase their vocabulary by learning rules of word formations.Learning difficulties and important points: Students are expected to acquaint themselves with these different expressions and express their opinions about their favourite jobs.Period One:Step one:Have a discussion.List of jobs:____________________________________________________________________Your favourite jobs:_____________________________________________________________Reasons for the favourite jobs:_____________________________________________________Step two:discuss some prefixes and suffixes.【表示否定意义的前缀】1)纯否定前缀①dis- dishonest, dislike②in-, ig-, il, im, ir, incapable, inability, ignoble, impossible, immoral, illegal, irregular③non-, non-stop ④ un- unable, unemployment2)表示错误的意义male-, mal-, malfunction, maladjustment(失调)mis-, mistake, mislead3)表示反动作的意思①dis-, disarm, disconnect ②un-, unload, uncover4)表示相反，相互对立意思①anti-, ant- antiknock( 防震), antiforeign ,(排外的)②counter-, counterreaction, counterbalance③with-, withdraw, withstand2. 表示空间位置，方向关系的前缀1)by- 表示“附近，邻近，边侧” bypath, bypass(弯路)2)circum-, circu-, 表示“周围，环绕，回转” circumstance, circuit3)de-, 表示“在下，向下” descend, degrade4)en-, 表示“在内，进入” encage, enbed(上床)5)ex-, ec-, es-, 表示“外部，外” exit, eclipse, expand, export6)extra-, 表示“额外” extraction （提取）7)fore- 表示“在前面” forehead, foreground8)in-, il-, im-, ir-, 表示“向内，在内，背于” inland, invade, inside, import用心 爱心 专心19)inter-, intel-, 表示“在……间，相互” international, interaction, internet10)out-, 表示“在上面，在外部，在外” outline, outside, outward11)over-, 表示“在...