2019届高考英语一轮复习 第一部分 教材课文要点 Module 5 A Lesson in a Lab课件 外研版必修1.ppt

1、必修一 Module 5 A Lesson in a Lab,语言点用法过关1.conclusion n.结论;结束教材原句 Ive come to the conclusion that he s not the right person for the job.我断定他不适合做这项工作。,语境应用单句填空When the group discussion is nearing its end, make sure to conclude it with an important point.The police need some more evidence before they can

2、 make a conclusion.Scientists have come to the conclusion that the temperature on Earth is getting higher and higher. In conclusion, I would like to say how much I have enjoyed myself to-day.,句型转换To conclude, I would like to thank everybody who helped me. In conclusion , I would like to thank everyb

3、ody who helped me.What can you conclude from the evidence you ve heard?What conclusion can you draw from the evidence youve heard?,用法点拨(1)draw/come to/arrive at/reach a conclusion得出结论make a conclusion下结论bring.to a conclusion使结束in conclusion最后;总之(2)conclude v.得出结论;断定;推断出;结束conclude sth. with.就某事与达成协议

4、;以结束conclude?(从中)推断出to conclude总而言之,最后,2.aim n.目的;目标;瞄准v.瞄准;对准;目标在于教材原句Aim:To find out if iron rusts in dry air.目的:发现铁是否在干燥的空气中生锈。,语境应用单句填空Today we are still suffering from heavy schoolwork, aiming at preparing us for the entrance examination.Twenty students want to attend the class that aims to tea

5、ch (teach) how to read fast.Some students even have no idea of why they are studying, so they are aimless (aim) most of the time.The special course is aimed (aim) at developing childrens appreciation of music.,单句改错My uncle took the aim at the bird flying in the sky.去掉aim前的theI saw Tom walking in the

6、 street aimless just now.aimlessaimlessly,句型升级An activity was held last week.It was aimed at improving the students? abilities of listening and speaking.An activity was held last week,which was aimed at improving the stu-dents abilities of listening and speaking .(使用定语从句升级)An activity was held last

7、week , aimed at improving the students abilities of listening and speaking .(使用非谓语动词升级),用法点拨(1)achieve ones aim实现某人的目标take aim at向瞄准with the aim of意在aim to do sth./aim at doing sth. 力求做某事be aimed at目的是;旨在(2)aimless adj.无目的的aimlessly adv.无目标地,【点津】 在take aim at中,aim前不能加冠词,即使aim前有形容词,也不可加冠词。,3.react v.

8、(化学)反应教材原句When we use metals,it is important to know how they react with different substances,for example,water and oxygen.当我们使用金属时,要了解金属和不同的物质如水和氧气如何发生反应,这一点很重要。,语境应用单句填空Hearing how others react to the book you have just read creates an added pleasure. What was Jeff s reaction to the news that he w

9、as chosen to be chairman of the studentsunion?In our daily life, everyone fails every now and then. It is how you react that makes a difference.,完成句子He didnt believe it and even reacted strongly against me.他不相信,甚至强烈反对我。 How a person reacts to criticism often means the difference between suc-cess and

10、 failure.一个人对批评做出的反应通常意味着他是成功还是失败。,用法点拨(1)react to 对做出反应react with 和反应react on/upon 在上反应react against 反对(2)reaction n.反应;起作用reaction to对做出的反应,4.balance n.天平;平衡;剩余;余额 v.(使)平衡;权衡教材原句Then put the crucible on the balance and weigh it.然后把坩埚放在天平上称一称重量。,语境应用完成句子Ive got a good sense of balance and learnt to

11、 ski quite quickly.我已经有了较好的平衡感,并很快学会了滑雪。You are working too hard. You d better keep a balance between work and relaxation.你工作太辛苦了, 你最好在工作和方松之间保持平衡。She cycled too fast round the corner, lost his balance and fell off. 她骑车时拐弯太快,失去平衡摔了下来。Many people have come to realize that they should keep a balanced

12、diet .很多人已经开始意识到他们应该保持饮食均衡。,赏句猜义写出下面句中balance的含义。The current balance in your account is 1,182. 余额,用法点拨(1)balance n.平衡;天平;剩余;余额keep ones balance 保持平衡break one s balance 打破平衡lose one s balance 失去平衡on balance=on the whole/generally speaking总的说来(2)balance v.(使)平衡;权衡balance A with/and B同等重视(相对的两个事物或方面)(3

13、)balanced adj.平衡的a balanced diet 均衡的饮食,【助记】,1.add.to.往加入;把加到教材原句Add some oil to the water.往水中加入一些油。,语境应用单句填空There had been several new events added (add) to the program for the 2008 Beijing Olympic Games.Under the new schedule, school teachers must dismiss each class on time, instead of adding (add)

14、 extra lessons.Youd better add up your scores and see if you have passed the exam. The natural scenery and the newly-built tall buildings along the streets add to the beauty of my hometown.How did she lose so much weight as expected?In addition to eating less,she jogged for several miles every day.,

15、语段填空(用add及相关短语填空)The boss said it was not easy to manage a company. He added that the financial crisis added to the difficulty. However, the dormitory for workers needed improving and they would add a toilet to each room. He added up the expenses and the total added up to more than 1,000,000 yuan.,用

16、法点拨(1)add to 增加;增添(多用于抽象意义)add up 把加起来;合计add up to 总计为;加起来达到add that.补充说(2)addition n.加;增加;(数)加法in addition 另外;此外(还有)in addition to 除之外还有(3)additional adj.额外的;附加的additional cost 额外的费用,【助记】,2.used to 过去(常常)教材原句I never used to enjoy science, but last year I changed schools, and the sci-ence teachers a

17、t my new school are excellent.过去我从不喜欢理科,但是去年我转学了,我新学校的理科老师很优秀。,语境应用完成句子 He used to be shy but now he can talk freely to anyone he meets. 他以前很害羞,但是现在他可以很自在地和遇到的任何人交谈。The large amount of wood which is cut from that forest is used to build the bridge.这些大量的从那片森林里砍伐的木料是用来修建这座桥的。It was in the village wher

18、e we used to live that the accident happened.事故就发生在我们过去居住过的那个村子里。 There used to be much shade of an old tree in the middle of the yard, which gave us much cool in summer.过去这个院子中间的一棵老树有很多阴凉,夏季给我们带来许多凉爽。,用法点拨(1)used to do sth. 过去常常做某事used to be 过去曾经是there used to be 过去常常有(2)be/get used to sth. 习惯某事;适应

19、某事be/get used to doing sth. 习惯做某事be used to do sth. 被用来做某事,3.be supposed to 应当;理应教材原句Im going to try to go to either Montreal or Ottawa University,as both are supposed to have good Physics Departments.我要努力考取蒙特利尔大学或者渥太华大学,因为这两所大学都有不错的物理系。,语境应用单句填空I have reached a point in my life where I am supposed

20、to make (make) decisions of my own.The place at which the bridge is supposed to be built (build) should be where the traffic is the heaviest.If you go to Xian, you will find the places there more magnificent than commonly supposed (suppose). Supposing that (suppose)you have no idea how to use the wa

21、shing ma-chine, you can refer to the instructions.,句型转换You are late.You were supposed to arrive half an hour ago.You are late.You are supposed to have arrived half an hour ago.,用法点拨(1)be supposed to do sth. 应该做某事be supposed to have done sth.本应该做某事(实际未做)(2)be supposed to be 被认为是I suppose so. 我认为是这样。I

22、 suppose not.=I dont suppose so. 我认为不是这样。(3)suppose/supposing that 假设;假定,1.It is+adj.+to do sth.教材原句It is hard to think of a world without metals.很难想象一个没有金属的世界(是什么样子)。,语境应用句型转换You are very kind to reserve a room for me. Its very kind of you to reserve a room for me.He didnt pass the exam and thats a shame. It