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1、,人教课标版高二 选修 8Unit 3,Reading,Lead-in,Telephones become part of our life. But do you know who invented the telephone?,A British inventor called Alexander Graham Bell.,Discuss the following questions in groups:1. What do you know about the inventor?2. How useful is his invention to human society? Why?,
2、Pre-reading,Read the passage quickly and find out the main idea of it.,Scanning,It mainly talks about the life of Alexander Graham Bell and how he made the great inventions.,I. Listen to the tape and try to answer the questions.1. What does Bells saying mean to you?His saying means that it is import
3、ant to be experimental. By being curious and exploring around a subject you may by chance come up with some new and original ways of solving a problem.,Reading,2. What do you think led to his success as an inventor of the telephone? His curiosity and exploring spirit led to his success as an invento
4、r of the telephone.,3. What inventions did Bell make?,Bell invented the telephone and the tetrahedron shape by chance. Both of these are extremely useful and still used today.,4. Why will he always be known as the inventor of the telephone. He will always be known as the inventor of the telephone be
5、cause it was a very popular invention and the patent made the most money ever.,II. Read the text carefully and fill in the blanks.,Scotland,deaf,led him to,telegraph,carry a man,triangles,1. He believed that one should always be curious and his most famous saying was: “Leave the beaten track occasio
6、nally and dive into the woods. Every time you do you will be certain to find something that you have never seen before.,Language study,Follow it up, explore all around it, and before you know it, you will have something worth thinking about to occupy your mind. All really big discoveries are the res
7、ult of thought.” 他认为人应该保持一颗好奇心，他最著名的一名话是: “偶尔离开平路，去寻求困境。当你这么做的时候，你一定会发现你从未见过的东西。跟踪下去，不断探索，不知不觉中，你就会发现某种值得思考的东西占据着你的头脑。所有真正伟大的发现都是思考的结果。”,1）dive into He dived into the history of China 他潜心研究中国历史。 He dived into his pockets and fished out one dollar 他迅速把手伸进口袋掏出了一美元。,跳水(头朝下)；迅速把手伸入； (对活动，问题等) 全心投入，潜心研究,
8、The boy dived into the river from the bridge 这男孩从桥上跳人河中。 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 to,2）every / each
9、 time 意为“每次; 每当”, 此 短语在句子中经常作连记词, 引导时间状语从句做连词的名词, 引导时间状语从句。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 when C. At each time D. Each time that,2. Bell n
10、ever set out to invent the telephone and what he was trying to design was a multiple telegraph. 贝尔从未打算发明电话而是试图设计一种复式电报。,set out (to do sth.)开始（做某事）,着手干; 为某个目标而努力 They are setting out to do a new experiment. 他们正在着手干一项新的试验。 He set out to break the record for the channel swim. 他决心打破游过海峡的记录。,set out to
11、do sth. = set about doing sth.set out for = set off for = leave for意为“出发到去”Lets set out before dark.我们天黑前动身吧。Tomorrow Ill set out for Beijing. 明天我将出发去北京。,1). At dawn, they set _ to get ready for the work of the day. A. off B. about C. out D. in,2). They set _ at about 8 oclock. A. about to work B. a
12、bout to working C. about working D. out work,3. They _ the mountain at noon. A. set off to B. set out to C. set out for D. set off in,3. Suddenly he had a flash of inspiration. 突然间, 他灵光闪现。,a flash of inspiration 指“灵感的闪现”inspiration n. C鼓舞或激励的人或事物 These events provided the inspiration for her first b
13、ook. 这些事是她第一本书的灵感来源。,U灵感, 启发；,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。 draw inspiration from 从中吸取灵感 inspire v. 激励；鼓励 inspired adj. 借助于灵感创作的 inspiring adj. 鼓励人心的；激励的,4. If sound wave could be reproduced in a moving electrical current, they could be sent along a wire. 如果
14、声波能够在移动的电流中复制, 它们就能够被沿电线传送。,reproduce vt. 复制; 再现的形象或声音 The tape recorder reproduced the symphony. 录音机可使这交响曲重现。,current (1) n. 气流; 水流, 洋流; 电流 The current is strongest in the middle of the river 河中央的水流最急。 This button switches the current on 这个电钮接通电流。,(2) adj. 时下的, 当今的, 流行的, 通用的 Most of the old are int
15、erested in current events 大部分老年人都对时事感兴趣。 They are expecting profits of over $2 million in the current year 他们期望今年的利润超过二百万美元。 The word is no longer in current use. 这个词已不再使用。,5. The patent was given in 1876, but it was not until five days later that Bell sent the first telephone message to his assistant, Watson. 这项专利是1876年发布的，但是贝尔是在5 天之后才跟他的助手华生通了第一次电话。,
