2019_2020学年高中英语Unit3Computersperiod3课件新人教版必修.pptx

,3 知识讲练课,Unit 3 Computers,Period,Words and expressions:,1. Over time I have been changed quite a lot. 经过一段时间我已改变了许多。 【观察思考】 1)Tastes in food also change over time. 食物的味道时间久了也会变。 2) As time went by, I was made smaller. 随着时间的推移，我被做的越来越小。 3) With time going by, they became close friends. 随着时间的推移， 他们成了好朋友。,【归纳总结】 1. over time _ 2. as time goes by _ 3. with time going by_,【点拨】 随着时间的推移,久而久之 2.随着时间 的逝去 3.随着时间流逝,【尝试运用】 句子转换 1) As time went by, he gradually get used to life there. _, he gradually get used to life there. 2)Table manners change over time， they follow the fashion of the day. _, table manners changed， they follow the fashion of the day. 3) As time went on ,they learned the skill of fishing. _ they learned the skill of fishing.,【点拨】 1) With time going by 2) As time went on/With time going on 3) Over time,2. As a result I totally changed my shape. 因此我完全改变了我的形象。 【观察思考】 1) He didnt work hard. As a result he failed his exam. 由于他没用功，结果考试失败。 2) He was late as a result of the snow. 由于大雪的原因，他迟到了。,【归纳总结】 1. as a result _ 2. as a result of _,【点拨】1. 结果，因此，表示结果 2. 由于，表示原因,【尝试运用】完成句子 1) It rained heavily outside, and _ we had to stay at home. 2) _ the pilots strike,all flights have had to be cancelled. 由于飞行员罢工，所有的航班都被迫取消了。 3) Jenny nearly missed the flight _ doing too much shopping. 由于过度购物，詹妮几乎错过班机。,【点拨】 1) as a result 2) As a reslt of 3) as a result of,3. In a way ,our programmer is like our coach.从某种程度上看，我们的程序员就像是我们的教练。 【观察思考】 1) My mother always talks with me in a friendly tone. In a way, she is more like a friend than a mother. 我妈妈总是以一种朋友般的语气跟我说话。从某种程度上如其说是母亲倒更像朋友。 2) I couldnt get through the door because there was a big box in the way. 由于有个大箱子挡住了路， 我过不去这个门。 3) I came across him on my way to the cinema. 在我去电影院的路上偶然遇到他。,【归纳总结】 1. in a way _ 2. in the/sbs way _ 3. on ones way to._ 4. in no way _,【点拨】 1. 在某种程度上 2. 挡着的路； 妨碍 3. 在某人去的路上 4. 决不,【点拨】 1) 社交生活妨碍了她的学习。 2) 我们绝不允许这继续发生。 3) 在我去上班的路上，我遇到了一位老朋友。 4) 从某种程度上我高兴你犯了那个错，因为它将对你起到个警示作用 。,【尝试运用】把下列句子翻译成汉语。 1. Social life goes in the way of her studies. 2. In no way can we allow this to continue. 3. I came across an old friend on the way to work. 4. In a way Im glad that you made that mistake, for it will serve as a warning for you.,4 . After all, with the help of my electronic brain which never forgets anything, using my intelligence is what Im all about. 不管怎样，在我过目不忘电子脑的帮助下，运用智能就是我的一切。 【观察思考】 1) I am making progress with the help my teachers. 我在老师的帮助下有了很大进步。 2) The old man walks with the aid of a heavy stick. 这位老人借助一根笨重的手杖走路。 3) They succeeded by means of hard work. 他们依靠努力工作而获得成功。,【归纳总结】 1. with the help of _ 2. with the aid of _ 3. by means of _,【点拨】 1. 在.帮助下 2. 在. 协助下 3. 用.的方法，凭借，借助,【尝试运用】把下列句子翻成英语。 1）现在有了电脑的帮忙，我们能降低产品的成 本了。 2）在家人的帮助下，她最终回到了学校。 3）我们可以靠一副好地图旅游。 4）她在邻居的帮助下把火扑灭了。 5) 我们用词语来表达思想。,【点拨】 1）Now we can reduce the production costs with the help of the computer. 2）He could finally go back to school with the help of his family. 3）We may travel with the aid of a good map. 4）With the aid of a neighbour, she managed to put out the fire. 5）We express our thought by means of words.,5. This means that it should clean the house, mop the floors, cook the dinner and deal with telephone calls. 这意味着它能清理房间，拖地板，做饭，和处理接收电话等事务。 【观察思考】 1) Many colleges have taken measures to deal with the cheating of students in exams.许多大学已采取措施应对学生考试作弊问题。 2) I have a lot of things to deal with. 我有许多事情要去处理。 3) What are we going to do with the problem? 我们怎样处理这个问题？,【归纳总结】 1.deal with _ 2.do with_ 特殊疑问句中，deal with 用_ 提问，而 do with 用_提问,【点拨】 1.处理； 安排 2.对付; 处理；利用 how; what,【尝试运用】完成句子,Firstly, let us _the most important issue. 首先让我们来处理最紧要的问题。 2) What will you _the green gas? 你们用这绿色气体干什么？ 3) I dont know _ to deal with the problem at present. 目前，我不知道如何处理这个问题。,4) Last summer he told us _ to dealt with poisonous gas. 去年暑假他教我们怎样应对毒气。 5) _ did they do with the problem arising at the meting? 他们怎样处理会议上出现的问题？,【点拨】 1) deal with） 2) do with 3) how 4) how 5) What,Sentence Structures:,1.I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage. 我发育缓慢，差不多到了两百多年以后，查尔斯.巴比奇才把我制成了一台分析机。 【观察思考】 1) We had walked 10 miles before we saw a village. 我们走了10英里才看见一个村庄。 2) I didnt begin work until he had gone. 直到他离开我才开始工作。,【归纳总结】 1. before 在此句是_ 2. not.until. _,【点拨】 1.连词 表示_ 在.之前才 ；就. 2.直到.才；在.之前（不）,【尝试运用】把下列句子翻译成汉语。 1) John waited at the bus-stop for nearly half an hour before the bus finally arrived. 2) He was told that it would be at least three more months before he could recover and return to work. 3）My uncle didnt get married until he was forty-five. 4）I didnt wake up until I heard the alarm clock.,【点拨】 1) 约翰在车站等了几乎半小时汽车才来。 2） 他被告知至少还有三个月他才能恢复并去工作。 3）我叔叔直到45才结婚。 4）直到听到闹钟的铃声我才醒来。,2.And my memory become so large that even I couldnt believe it! 我的存储容量变的如此之大，连我自己也不能相信！ 【观察思考】 1）The river is so seriously polluted that we must take action at once. 河流污染如此严重,我们必须马上采取行动。 2）She told us such an interesting story that we all forgot about the time. 她给我们讲了如此有趣的故事，以至于我们忘记了时间。 3）He went so early that he could get a good seat他早去为的是能得到个好座位。,【归纳总结】 1.so that 意思是 _引导 _ so后须接 _ 2.such.that. 意思是 _引导_ such 后须接_可表示_,【点拨】 1. 如此以至于; 结果状语从句, 形容词或副词 2. 如此以至于结果状语从句, 名词为了,结果; 状语从句 ； 结果或目的,【尝试运用】完成句子 1) She speak English _ good that she can