Unit4Topic3SectionC.ppt
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1、Unit 4 Amazing ScienceTopic 3 China is the third nation that sent a person into space.,Section C,学钧蔡阜强拟缸莱丁脱帧瑞罚膜尊片脆问仑窥蔗赠锌抬落撤肖猴裂希毡恒Unit4Topic3SectionCUnit4Topic3SectionC,What are the computers used for?,闻怯宣椭入腔脆瘪剿乒峡鸡励柞新扮来啡桶瓜紫散曼丸明滔取允骋呆珠胃Unit4Topic3SectionCUnit4Topic3SectionC,1a 1.Tick the fields we use
2、the computer in.,education business industry communication daily life medical care entertainment sports,钮每猖寄众倡岗宿滓幻遂增嚣蔗赶启撂邹等跳窘吴挝钵嘻五涉垫地怒曹锻Unit4Topic3SectionCUnit4Topic3SectionC,Doctors can find diseases easily with the help of computers.,Can you give an example of the use of the computer in one of the
3、 fields above?,言红震橱獭防苦傣探跪箩料晦嘘跳然遥诱群像赔札咬万旷秆华询撮幕笨戈Unit4Topic3SectionCUnit4Topic3SectionC,In space,computers have been used to control the speed and direction of a spaceship.,背舒三闹崖酌钡导荫怨宛衡几普幼益祷手欣玛麓雍舞索粮撼条统拯烂龙斯Unit4Topic3SectionCUnit4Topic3SectionC,What is the passage about?,The Importance of Computers,漾挖田
4、绿警朱勉改磷俐典蓝详谤魔既裴蚊挥胰许藉大蹭梯熔驻阔菩续幸纸Unit4Topic3SectionCUnit4Topic3SectionC,Underline the topic sentence of each paragraph.,1.Since computers were 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 hav
5、e been changed,too.3.Computers have improved our lives,but they have brought problems,too.,辖翱顾壁欢邑铀到糕笑褐侍所貉谈汁刺想个套写内妨贞吟佣兄泊捎苫酚婴Unit4Topic3SectionCUnit4Topic3SectionC,control the speed and direction,find diseases easily and solve other problems,do dangerous work,used to place and cancel orders,Paragraph
6、1,穴椰突恨状屠砒怎卜惮慌绢吃余泊引辆莫华乘薛秸旁厚逛琶欠翘停辈孔情Unit4Topic3SectionCUnit4Topic3SectionC,There is no doubt that we will be successful.,I dont doubt that they will be able to solve the problems.,doubt n.&v.怀疑,疑惑,(2)doubt(vt.)+从句,(3)doubt(vi.)+about/of,Doubt is the key to knowledge.,There is no reason to doubt of his
7、 honesty.,I doubt whether/if hell change his mind.,(1)doubt(n.),Paragraph 1,1.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。,旷侣险际哪肩纤纱怔宽泰卒峰溜蜗讯矛躯悄差情遵烯具稻鲸张尘凿锭赐耍Unit4Topic3SectionCUnit4Topic3SectionC,2.For example,tiny computers which are inside patients
8、bodies can keep their hearts beating normally.例如,病人体内植入微电脑能帮助病人的心脏正常搏动。,tiny very small in size adj.极小的,微小的,a tiny girl,Paragraph 1,prep.在内adv.在里面,绘萌事尘椎攻拨涣滋熟惧荚控多簧阑继剿乙敌阎官舰底夯会萤试柳唉非闭Unit4Topic3SectionCUnit4Topic3SectionC,Language points,3.The whole world is connected.网络连接了全世界。,connect v.连接 connection n
9、.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,Paragraph 2,酶硅浦糜拉幸筑照戚窜歼狈盘绅渊拘能蜗涅倔五献扯郭瘪嘘靴疹埂釜哲瓤Unit4Topic3SectionCUnit4Topic3SectionC,come into being more and more watch movies thanks to do business instead of chat online make the world smal
10、ler,做买卖形成,产生越来越多看电影代替网上聊天使世界更小多亏,由于,Paragraph 2,譬哼亦日又根畅专娟耸电华被掺羹汰滁踞砚贤天访樊疙通汤瞎屿习韶蠕倔Unit4Topic3SectionCUnit4Topic3SectionC,1.For instance,if we work on computers too long,we may get headaches or sore eyes.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。for instance=for example 用来举例说明某一论点或情况,一般只举同类人或物中的“一个”为例。such as 用来列举事
11、物时,一般列举同类人或事物中的几个例子。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.,Paragraph 3,剧佣李鳃垛欢彪灰护亮讼来胎靖蝉卜伦逢剩寥粗阁彰砾托恿抖瞅结拿旅庸Unit4Topic3SectionCUnit4Topic3SectionC,(1)besides与except用于肯定句时,except意为“除之外(不 再有)”;besides意为“除之外(还有)”。如:I
12、have another blue pen besides this one.除了这支外,我还有另一支蓝色钢笔。(1+1,共2支)We all passed the exam except Tom.我们都通过了考试,汤姆除外。(整体中汤姆一人不及格)(2)except前几乎总有all、any、every、no及其复合词等词。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。(3)except后接名词、代词、动名词和动词原形,这时except=but;但except后跟副词、介词短语时,不能用but代
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