新人教版高中英语必修八Unit3《Inventiors and inventions》(Using language)精品教案.doc

新人教版高中英语必修八unit3inventiors and inventions(using language)精品教案课题 alexander graham bell课型 using language 课时1周次13目标1.to introduce to ss more ways of helping developing countries. 2.to further develop ss awareness of the importance of helping others.重点难点the usage of important words and phrases.教学环节与内容i. revisionto revise the knowledge in the last class.ii. reading1) pre-readingdiscuss the following questions in groups:1. what do you know about the inventor?_2. how useful is his invention to human society? why?_22) scanningread the passage quickly and find out the main idea of it._3)reading listen to the tape and try to answer the questions.1. what does bells saying mean to you?_2. what do you think led to his success as an inventor of the telephone?_3. what inventions did bell make?4) fill in the blanks.birthborn in 1847 in _.inventions and discoveries the microphone: his interest in helping _ people communicate and in deaf education _ invent the microphone.iii. language study1.dive 1) he dived into the history of china 2) he dived into his pockets and fished out one dollar3)the boy dived into the river from the bridge【归纳】 dive into 作 “潜心于” 讲时和devote oneself to sth. 的意思一样，但devote oneself to sth. 还有“投身于; 把自己奉献给” 的意思。he _ his career and made a great contribution to our country. a. dived himself into b. devoted himself to c. dived into d. devoted to2every / each time_能用做连词的名词短语还有： the first time 第一次 last time 上次； next time 下次；the instant / moment / minute / second that 一 就_ i sees him, the old man is sitting in the same chair. a. every time b. every time whenc. at each time d. each time that 3. suddenly he had a flash of inspiration.(翻译)_a flash of inspiration “灵感的闪现”inspiration n.c鼓舞或激励的人或事物1）these events provided the inspiration for her first book. 这些事是她第一本书的灵感来源。2）he said my sister was the inspiration for his heroine. 他说我姐姐是他的女主人公的原型。【归纳】draw inspiration from 从中吸取灵感 inspire v. 激励；鼓励adj. inspired/inspiring 4.current n. 气流; 水流, 洋流; 电流 the current is strongest in the middle of the river this button switches the current on这个电钮接通电流。 adj. 时下的, 当今的, 流行的, 通用的most of the old are interested in current events 大部分老年人都对时事感兴趣。5. being very stable, it has proved invaluable in the design of bridges.(四面体)十分稳定牢固, 在桥梁设计领域的价值难以估量。being very stable, 是because it is very stable的省略句, 它在句中作_。6.stable1) the patients condition is stable.患者病情稳定。2)the ladder doesnt seem very stable.这架梯子好像不太稳。 a stable relationship 稳定的关系7. get through设法联系上(尤指打通电话)；做完。区别：go through 考例1 i couldnt _. the line was busy. (浙江2005)a. go by b. go around c. get in d. get through考例2 hardly could he _ this amount of work in such a short time. (天津2007)a. get through b. get off c. get into d. get downiv. homework:1) sum up the usage of the words.2) finish the exercise in the textbook.师生活动3分钟复习小组讨论，得出答案。stud