仁爱湘教版九年级上Unit+4+Amazing+Science+Topic+3+China+is+the+third+nation+that+sent+a+person+into+space+Sec.ppt
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- 仁爱 湘教版 九年级 Unit Amazing Science Topic China is the third nation that sent person into space Sec
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1、Unit 4 Amazing ScienceTopic 3 China is the third nation that sent a person into space.Section CWhat are the computers used for?1a 1.Tick the fields we use the computer in.education business industry communication daily life medical care entertainment sports Doctors can find diseases easily with the
2、help of computers.Can you give an example of the use of the computer in one of the fields above?In space,computers have been used to control the speed and direction of a spaceship.What is the passage about?The Importance of ComputersUnderline the topic sentence of each paragraph.1.Since computers we
3、re invented in the USA in the 1950s,they have become very important in many areas of work and leisure.2.Since the Internet came into being,peoples lives at home have been changed,too.3.Computers have improved our lives,but they have brought problems,too.Place The usage of computersIn spaceIn hospita
4、lsIn factoriesIn business control the speed and directionfind diseases easily and solve other problemsdo dangerous workused to place and cancel orders There is no doubt that we will be successful.I dont doubt that they will be able to solve the problems.doubtn.&v.怀疑,疑惑怀疑,疑惑(2)doubt(vt.)+从句(3)doubt(v
5、i.)+about/ofDoubt is the key to knowledge.There is no reason to doubt of his honesty.I doubt whether/if hell change his mind.(1)doubt(n.)1.There is no doubt that computers are very useful in technology and business.毫无疑问电脑在技术和贸易业都非常有用。毫无疑问电脑在技术和贸易业都非常有用。2.For example,tiny computers which are inside p
6、atients bodies can keep their hearts beating normally.例如,病人体内植入微电脑能帮助病人例如,病人体内植入微电脑能帮助病人的心脏正常搏动。的心脏正常搏动。64英寸英寸 超大型(超大型(Huge)32英寸英寸 大型(大型(Large)16英寸英寸 中型(中型(Medium)8英寸英寸 小型(小型(Small)4英寸英寸 超小型(超小型(Tiny)tiny very small in size adj.极小的,微小的a tiny girlprep.在内adv.在里面Language points 3.The whole world is con
7、nected.网络连接了全网络连接了全世界世界。connect v.连接connection n.关系,联系1.connect A with B 使A与B连接2.connect sth.(to sth.)使电、气、水等接通3.connect sb./sth.(with sb./sth.)与有联系,把联系起来 come into being more and more watch movies thanks to do business instead of chat online make the world smaller 做买卖做买卖 形成,产生形成,产生 越来越多越来越多 看电影看电影
8、代替代替 网上聊天网上聊天 使世界更小使世界更小 多亏,由于多亏,由于1.For instance,if we work on computers too long,we may get headaches or sore eyes.比如:比如:如果我们使用的电脑工作的时间太长,我们就会头昏眼花。如果我们使用的电脑工作的时间太长,我们就会头昏眼花。for instance=for example 用来举例说明某一论点或情用来举例说明某一论点或情况,一般只举同类人或物中的况,一般只举同类人或物中的“一个一个”为例。为例。such as 用来列举事物时,一般列举同类人或事物中的几用来列举事物时,一
9、般列举同类人或事物中的几个例子。个例子。E.g.(1)Many countries,Japan,for instance(for example),has a lot of earthquakes.(2)I like fruits,such as apples,pears and bananas.(1)besides与与except用于肯定句时,用于肯定句时,except意为意为“除除之外(不之外(不 再有)再有)”;besides意为意为“除除之外(还有)之外(还有)”。如:如:I have another blue pen besides this one.除了这支外,我还有另一支蓝色钢笔
10、。(除了这支外,我还有另一支蓝色钢笔。(1+1,共,共2支)支)We all passed the exam except Tom.我们都通过了考试,汤姆除外。(整体中我们都通过了考试,汤姆除外。(整体中汤姆一人不及格)汤姆一人不及格)(2)except前几乎总有前几乎总有all、any、every、no及其复合词等词。及其复合词等词。如:如:He answered all the questions except the last one.除了最后一个问题没答外,其余问题他都答了。除了最后一个问题没答外,其余问题他都答了。(3)except后接名词、代词、动名词和动词原形,这时后接名词、代词
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