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1、Topic 2,When was it invented?Section C,New words,servant 仆人，佣人for certain 确切，肯定housework 家务劳动，家务活behave 行为，守规矩contribution 贡献，捐款，捐资make a contribution to 为作贡献,Teaching aims and demands,1. Learn some new words and expressions:servant, for certain, housework, make a contribution to No one knows for ce
2、rtain, but most people think that robots will be part of our lives.2. Discuss the advantages and disadvantages of robots.,Review,Model:,T: Boys and girls, we have learned many inventions during the last period. Look at the table and make dialogs like this:A: When was the car invented?B: It was inven
3、ted in 1885.A: Who was the car invented by?B: It was invented by Karl Benz. T:OK! Ill ask two students to ask and answer questions about the radio. S1: When was the radio invented?S2: It was invented in 1895. S1: Who was the radio invented by?S2: It was invented by Guglielmo Marconi.,Key words,futur
4、e, certain, friendly, problems, servants, help, development, perhaps, however, no longer, warn, if, lucky, treat, war,Look and discuss,What do you know about robots?,Read the passage by yourselves and discuss the following questions in pairs.,(1)Do you think that robots will be part of our lives in
5、the future?(2)Robots are meant to be our servants, arent they?(3)Do you think robots can think or act for themselves?(4)Why does the title have a question mark?,Fill in the blanks according to 1a.,So far, robots havent us any problems. They work for us like all the time. They help us do and work. Pe
6、ople are at the development of robots. In a few years, perhaps robots will think and for themselves. However, robots can think for themselves, problems may . Perhaps there will be a between human beings and robots.,Practice,A组同学持有单卡，B组同学持有单词释义的卡片，让A组同学说出自己的单词，B组同学拿出单词释义卡找朋友。完成1b,Keys Lets listen to
7、the tape, and finish 2 by yourself. Well listen to the passage twice.,1. more than2. invention3. health4. examine5. used6. should,Explanation,1. There is no doubt computers are very useful in technology and business. 毫无疑问，电脑在科技和商业领域中是很有用的。no doubt 无疑地 如：No doubt shell call us when she gets there. 她到
8、达那儿时必定会给我们打电话。 There is no doubt (that)+从句 毫无疑问 如： There is no doubt that you made a great mistake. 无疑，你犯了一个大错。,2. For example, tiny computers inside patients bodies keep their hearts beating normally. 例如，（植入）患者体内的微电脑可以使他们的心跳正常。 beating normally 是现在分词短语，作keep的宾语补足语。 如： He kept me waiting for one hou
9、r. 他让我等了一个小时。,3. Since the Internet came into being, peoples lives at home have changed, too. 自从出现因特网，人们的家庭生活方式也发生了很大的变化。,come into being 产生，出现 如： SARS came into being in 2003 and Bird Flu (came into being) in 2005. 2003年出现了非典，2005年出现了禽流感。,4. For instance, if we work on computers too long, we may ge
10、t headaches or sore eyes.例如:如果我们在电脑上工作太长时间，就可能会头痛或眼睛痛。,instance n. 例子，事例，实例 如： I havent found a single instance that someone said dirty words in our class. 在我们班里我还没有发现说脏话的一个例子。 for instance 例如，比如。相当于 for example。 如： For instance, we can communicate with each other by chatting online. 比如，我们可以通过网上聊天互相
11、交流。,课堂互动,S：老师，课文中的In space, computers help astronauts and pilots control the speed and direction of a spaceships flight. 这一句子中的direction有相关的短语吗？ T：（1）direction n. 方向，方位；in the direction of 在的方向 如： Tom went off in the direction of the post office. 汤姆朝邮电局方向去了。 She glanced in his direction. 她朝他的那个方向瞥了一眼。,类似的短语：in all directions四面八方; in the right direction 朝着正确的方向。 （2）direction的形容词形式是direct（直接的，亲自的，亲身的）；副词形式是directly（直接地，径直地，直率地）。如： His death was a direct result of your action. 他的死是你的行为直接造成的结果 We are looking for somebody with direct experience. 我们在寻找有过亲身经验的人。,
