英语：必修2_Unit3_Computers-Language_points(新人教版)程序.ppt

Unit 3 Computers  Language points Step 1 Revision 6,real_________ (n) 7,personal__________ (adv) 8,finance__________(adj) 9,explore__________ (n) 10,solve _____________(n) Spelling 1.operator___________(vi) 2,simplify_________(adj) 3, logical_________ (adv) 4,technology__________ (adj) 5, intelligent___________ (n) Step 2 Important words and expressions. 1 Look at these pictures. In pairs discuss what they have in common. in common共同的，共有的 This is our wish in common. common sense常识 common disease 常见病 common mistake 常犯错误 have nothing/ little/ something/ a lot in common 有/无……共同之处 The two brothers have nothing in common. 3 work out a list and compare it with your partner. compare ……with 把……与……相比较 I compared my answer with the teachers’, and found that I had a mistake. compare with/ to与……相比（在句中做状语） compared with other girls, she is tall. 做“与……比较”时，既可以用with也可以用to 但做“把……比作”只能用to He compared his camera with/ to mine. Books can be compared to friends. Shakespare _________life __ a stage. 4 calculating machine计算器 V—ing 作形容词 Eg: swimming pool reading room calculate 计算 calculator计算器 calculation计算 where did I go wrong in my calculation? 5 universal machine通用机器 universal 普遍的，通用的，宇宙的 Humor is a universal language. Climate change is a universal problem. 6 simplify 简化 Try to simplify your explanation for the children. sum总数，算术题，金额 in sum 总而言之 In sum, theory should be combined with practice. a sum of一笔 You will be fined a sum of money. Key sentence patterns 1，It took nearly two hundred years before I was built as an…… “It took/was+一段时间+before “It takes /will be+一段时间+before 从句”是一个固定句型,意为“过了多久才。。。 before用于这类句型时的结构还有： It was 5 minutes before someone answered the bell. It will be five years before we meet again. --We hadn’t run a mile before he felt tired. --Please write it down before you forget it. 7 logically逻辑的 They do not think logically, but emotionally. logical合逻辑的，合情理的 8 At that time it was considered a technolog