人教版高中英语选修8unit3Using-Language(共17张)课件.ppt--（课件中不含音视频）

1、Useful expressions对对感兴趣感兴趣对对好奇好奇踩出来的路踩出来的路一心投入一心投入值得思考值得思考导致导致开始开始(做做)一次一次be/become interested inbe curiousbeaten trackdive into(be)worth thinkinglead to set out to(do)at a time同时同时发现问题很难解决发现问题很难解决注意到注意到寻找寻找因因闻名闻名的确的确,事实上事实上at the same timefound the problem difficult to solvebe aware of search forbe

2、 famous forIndeedHe believed that one should always be curious and his most famous saying was:“Leave the beaten track occasionally and dive into the woods.Every time you do you will be certain to find something that you have never seen before.Follow it up,explore all around it,and before you know it

3、,you will have something worth thinking about to occupy your mind.All really big discoveries are the result of thought.”他认为人应该保持一颗好奇心他认为人应该保持一颗好奇心,他最著名的他最著名的一名话是一名话是:“偶尔离开平路偶尔离开平路,去寻求困境。当去寻求困境。当你这么做的时候你这么做的时候,你一定会发现你从未见过你一定会发现你从未见过的东西。跟踪下去的东西。跟踪下去,不断探索不断探索,不知不觉中不知不觉中,你就会发现某种值得思考的东西占据着你你就会发现某种值得思考的东西

4、占据着你的头脑。所有真正伟大的发现都是的头脑。所有真正伟大的发现都是思考的结果。思考的结果。”1.Leave the beaten track occasionally and dive into the woods.偶尔离开平路，去寻求困境。偶尔离开平路，去寻求困境。1)beaten track:被踩出来的路；常规；惯被踩出来的路；常规；惯例例His farm is off the beaten track.It is at least two miles from the main road.他的农庄在偏僻的地方，离开大路至少他的农庄在偏僻的地方，离开大路至少有两英里。有两英里。2)div

5、e into He dived into the history of ChinaThe boy dived into the river from the bridgeHe dived into his pockets and fished out one dollar跳水跳水(头朝下头朝下);迅速把手伸入迅速把手伸入;(对活动对活动,问题等问题等)全心投入全心投入,潜心研究潜心研究3)every/each time 意为意为“每次每次;每当每当”,此短语在句子中经常作连接词此短语在句子中经常作连接词,引导时间引导时间 状语从句做连词的名词状语从句做连词的名词,引导时间状语从句。引导时间状语

6、从句。能用做连词的名词短语还有：能用做连词的名词短语还有：the first time 第一次第一次 last time 上次上次 next time 下次下次 the instant/moment/minute/second 一一 就就4)follow sth.up 追究到底；（乘势）贯彻到底追究到底；（乘势）贯彻到底e.g.Thats an interesting idea,and well certainly follow it up.2.Bell never set out to invent the telephone and what he was trying to design

7、 was a multiple telegraph.贝尔从未打算发明电话而是试图设计一贝尔从未打算发明电话而是试图设计一 种复式电报。种复式电报。set out(to do sth.)开始（做某事）开始（做某事）,着手干着手干;为某个目标而努力为某个目标而努力They are setting out to do a new experiment.他们正在着手干一项新的试验。他们正在着手干一项新的试验。set out to do sth.=set about doing sth.set out for=set off for=leave for意为意为“出发到出发到去去”Lets set out

8、 before dark.我们天黑前动身吧。我们天黑前动身吧。Tomorrow Ill set out for Beijing.明天我将出发去北京。明天我将出发去北京。3.This original telegraph sent a message over distance using Morse code(a series of dots tapped out along a wire in a particular order).这种原始的电报是在一段距离中用莫尔斯这种原始的电报是在一段距离中用莫尔斯电码传递信息（莫尔斯电码是通过电线发电码传递信息（莫尔斯电码是通过电线发出的以特定的次序

9、敲击出的一串点）。出的以特定的次序敲击出的一串点）。dot n.点点;小圆点小圆点The train arrived on the dot of three oclock.那辆火车三点钟准时到达。那辆火车三点钟准时到达。on the dot 准时，按时准时，按时 vt.打点于打点于，使，使点缀于，星罗棋布于点缀于，星罗棋布于The lake was dotted with little boats.湖面上布满了小船。湖面上布满了小船。tapn.轻轻地敲击；水龙头轻轻地敲击；水龙头He cleaned his hands in the cold water from the tap.他用自来水龙头流出的凉水把手洗净。他用自来水龙头流出的凉水把手洗净。v.轻打轻打;轻敲轻敲;轻拍轻拍That girl tapped her fingers on the desk impatiently.那个女孩不耐烦地用手指轻扣桌面。那个女孩不耐烦地用手指轻扣桌面。