1、Module 5A Lesson in a Lab韩国科学家用人们丢弃的烟头制成电池，经济又环保。If you see a person carelessly throw a cigarette to the ground，what are you likely to think? That depends.If you hate people throwing things to the ground，you might think，“That person should not litter.”If you are a smoker，you might think，“I would lik
2、e a cigarette right now.”Most likely，though，you are not thinking，“Perhaps I could use that cigarette butt to make something，something amazing！”That is，unless you are a creative scientist.If you are，you may see a possibility where others simply see trash.That is just what has happened in RO.Korea.A g
3、roup of RO.Korean researchers have found a way to turn cigarette butts into the materials required for batteries.Kim GilPyo from the Seoul National University says he saw people throwing away cigarette butts and that got him thinking.He began wondering if something useful could be made from them.Kim
4、 GilPyo and other researchers looked closely at used cigarette filters.The filter is the part of the cigarette that smokers put into their mouths.Filters are made of a material called cellulose acetate.Mr.Kim explains that cellulose acetate can be made into another material：carbon.He says the pieces
5、 of cellulose acetate are changed through a onestep burning process.After this，he says，they are turned into batteries.Kim GilPyo tells the Reuters News Agency that cigarette butts could prove to be a lowcost source of carbon material.1trash n垃圾2material n材料3battery n电池4filter n(香烟的)过滤嘴5carbon n碳6pro
6、cess n过程7source n来源8cellulose acetate n醋酸纤维素9If you are，you may see a possibility where others simply see trash.译文如果你是(一名富有创造力的科学家)，你可能在别人只看到垃圾的地方看到可利用的价值。分析本句是一个主从复合句，包含一个if引导的条件状语从句和一个where引导的地点状语从句。1Which university is Kim GilPyo from?The_Seoul_National_University.2What is the part of the cigaret
7、te that smokers put into their mouths?The_filter.Period OneIntroduction & Reading and Vocabulary.单词自测1expand vi.膨胀；扩张contract(反义词) vi.收缩2electricity n电electric adj.电的；电动的electrical adj.与电有关的；用电的electronic adj.电子的3stage n阶段；时期4conclusion n结论conclude v下结论；推断；决定5aim n目标；目的6reaction n反应react vi.(化学)反应7e
8、quipment n设备；装备8partial adj.部分的；局部的9boil vt.煮；沸腾10ordinary adj.普通的；平常的.短语默写1think_of想起；考虑2react_with与起(化学)反应3put.in_order把按顺序排列4find_out找出，查明5add.to.往加入6keep.out_of把留在外面阅读清障think of 想象；想起1It is hard to.中it是形式主语，真正的主语是to think of.。use nC用处，用途be used是被动语态，意为“被用(来)”。electrical/lektrkl/adj.与电有关的；用电的equi
9、pment/Ikwpmnt/n.设备；装备react/rIkt/vi.(化学)反应substance/sbstns/n.物质2When we use metals是时间状语从句，主句是it is important to know how they react.，其中it是形式主语，动词不定式短语 to know how they react.是真正的主语。oxygen/ksdn/n.氧气reaction/rIkn/n.反应put sthin order 把某物按顺序排列3that react most是that引导的定语从句，修饰the metals。at the top (of)在()顶端
10、form/fm/vi.&vt.形成oxide/ksad/n.氧化物partial/pl/adj.部分的；局部的steam/stim/n.蒸汽；水汽4Below is a description of a simple scientific experiment.是完全倒装句，主语为a description，is below是系表结构。5It shows us how iron reacts.中it是主语，shows是谓语动词，us及how引导的宾语从句作了shows的双宾语。aim/eIm/n.目标；目的rust/rst/vi.生锈6if iron rusts是if引导的宾语从句，if意为“
11、是否”。7that has no air in it是that引导的定语从句，修饰water。airfree adj.没有空气的ordinary/dnri/adj.普通的；平常的down prep.沿着；顺着leave vt.使处于(某种状态、某地等)conclusion/knklun/n.结论halffill vt.加一半，填一半boil/bl/vt.煮；煮沸8make sure确保，其后的宾语从句省略了引导词that。add.to.往加入keep.out of防止进入；使在外面,原文呈现It is hard to think of a world without metals.1Diffe
12、rent metals have different uses，for example，steel is used in cars，and iron is used in electricalequipment.When we use metals，it is important to know how they react with different substances2，for example，water and oxygen.The reaction of metals with these substances can be put in order.Here is a table
13、 with the metals that react most3 at the top， and the metals that react least at the bottom.MetalHeated in oxygenReaction withwater or steamPotassiumBurns to form an oxide*Reacting with cold waterSodiumCalciumMagnesiumReacting with steamAluminiumZincIronReacts slowlyPartial reactionCopperPartial rea
14、ctionNo reaction*an oxideanother substanceoxygenA Simple Scientific ExperimentBelow is a description of a simple scientific experiment.4It shows us how iron reacts with air and with water.5Aim： To find out if iron rusts6(a) in dry air；(b) in water that has no air in it7 (airfreewater)；(c) in ordinar
15、y water.Apparatus：3 clean iron nails；test tubes；test tube holder；cotton wool；oil；Bunsen burner.Iron in dry airMethod(1)Put some iron nails at the bottom of a test tube.(2)Push some cotton wool down the tube.(3)Leave the tube for one week.ResultAfter one week，the nails have not rusted.ConclusionIron
16、does not rust in dry air.Iron in airfree waterMethod(1)Halffill a test tube with water.(2)Boil the water for three minutes.(This makes sure there is no air in the water.8)(3)Put two or three clean nails in the water.(4)Add some oil to the water.This will keep air out of the water.(5)Leave the tube f
17、or one week.ResultThe nails do not rust in the tube with airfree water.ConclusionIron does not rust in airfree water.Iron in ordinary waterMethod(1)Halffill a test tube with water and add two or three clean nails.(2)Leave the tube for one week.ResultThe nails rust in the tube with ordinary water.Con
18、clusionIron rusts in ordinary water.课文译文很难想象一个没有金属的世界。不同的金属有不同的用途，比如，钢用来造车，铁用来造电力设备。当我们使用金属时，了解它们和不同的物质(例如水和氧气)如何发生反应是很重要的。(不同的)金属与这些物质的反应程度可以按顺序排列起来。下列是一张金属反应表，反应最强的排在上面，反应最弱的排在下面。金属在有氧状态下加热与水或水蒸气的反应钾燃烧后生成氧化物与冷水反应钠钙镁与水蒸气反应铝锌铁反应缓慢部分反应铜部分反应不反应*氧化物另一种物质氧气一个简单的科学实验下面是对一个简单科学实验的描述。这篇文章向我们表明，铁是怎样与空气和水反应的
19、。目的：弄清铁是否在下列状态下生锈：(a)在干燥的空气中；(b)在没有空气的水中(不含空气的水)；(c)在普通的水中。仪器：三枚洁净的铁钉、试管、试管夹、棉球、油、本生灯(即煤气灯)。铁在干燥的空气中方法(1)把若干铁钉置于试管底部；(2)顺着试管塞入一些棉球；(3)把试管放置一周。结果一周后，铁钉未生锈。结论铁在干燥的空气中不生锈。铁在不含空气的水中方法(1)在试管中加一半水；(2)将水烧开保持3分钟(这样做可以保证水中无空气)；(3)在水中放23枚洁净的铁钉；(4)在水中加些油，这样做可防止空气进入水中；(5)把试管放置一周。结果铁钉在装有无空气的水的试管中未生锈。结论铁在没有空气的水中不
20、生锈。铁在普通的水中方法(1)在试管中加一半水，并在水中放23枚洁净的铁钉；(2)把试管放置一周。结果铁钉在装有普通水的试管中生锈。结论铁在普通的水中会生锈。.速读课文并完成下列习题1Read Passage A and choose the best title for it.AThe Different Uses of MetalsBThe Reaction of MetalsCThe Reaction of Metals with OxygenDThe Reaction of Metals with Water答案B2Read the subtitles in Passage B and
21、 answer what should be included in a description of an experiment.(1)Aim(2)Apparatus(3)Method(4)Result(5)Conclusion.课文阅读理解Passage A1This passage mainly talks about _.Athe kind of metalBwhat kind of metal reacts mostCthe reaction of metals with different substancesDhow metals react答案C2Which of the fo
22、llowing metals reacts the most with water?ACopper. BIron.CAluminium. DSodium.答案D3When heated in oxygen，_ will react partially.Azinc BcopperCpotassium Dall metals答案B4According to the passage，it can be inferred that _ will have less use in making kitchen tools.Aaluminium BironCsteel Dcopper答案APassage
23、B5The experiment shows us _.Ahow iron rusts with airBiron is quite easy to rustChow to prevent iron from rustingDhow iron reacts with air and with water答案D6“Airfree water” means “_”Aair with a lot of waterBair without waterCwater with a lot of airDwater without air答案D7If some clean iron nails are pu
24、t in a damp place for a week，the nails will _.Arust Bnot rustCform an oxide Dkeep the place dry答案A.课文阅读填空The reaction of metalsWhen we use metals，it is important to know how they react with different 1.substances.The reaction of metals with oxygen can be put 2.in_order.In the table potassium reacts
25、most at the top and 3.copper reacts least at the bottom.Ironreaction 4.experimentIn dry airResult：The nails have not rusted.Conclusion：Iron does not rust in 6dry air.In 5.airfree waterResult：The nails do not rust in the 7.tube with airfree water.Conclusion：Iron does not rust in 8.airfree water.In or
26、dinarywaterResult：The nails rust in the tube with 9.ordinary water.Conclusion：Iron 10.rusts in ordinary water.难句分析When we use metals, it is important to know how they react with different substances, for example, water and oxygen.句式分析when we use metals为时间状语从句。it为形式主语，真正的主语是后面的动词不定式短语：to know how the
27、y.；how引导的从句作know的宾语。for example是插入语，water and oxygen是对different substances的举例说明。自主翻译当我们使用金属时，要了解金属和不同的物质如何发生反应，这一点很重要。1(教材P44)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何发生反应，这一点很重要。react vi.(化学)反应(1)How did t
28、hey react to your suggestion?他们对你的建议有什么反应？(2)How do acids react with metals?酸对金属起什么反应？归纳拓展(1)react to对作出反应，和起反应react with与产生化学反应react against反对，反抗(2)reaction n反应；起作用(常与介词to连用)即时跟踪单句语法填空(1)Iron reacts with water and air to produce rust.(2)How did Wilson react to your idea?(3)Whats your mothers reacti
29、on(react) to the news?(4)Children tend to react against their parents by going against their wishes.2(教材P45)Aim：To find out if iron rusts (a) in dry air；(b) in water that has no air in it (airfree water)；(c) in ordinary water.目的：验证铁在下列情况下是否会生锈：(a)在干燥的空气中；(b)在不含空气的水中；(c)在普通的水中。aim n目的；目标；瞄准v.力求达到；瞄准；
30、对准(1)You must take aim at the fierce tiger carefully before you shoot.射凶猛的老虎前你必须得仔细瞄准。(2)The book is aimed at very young children.这本书的对象是幼童。归纳拓展(1)with the aim of.为了 without aim无目的地achieve ones aim达到目的；实现目标take aim at.瞄准(2)aim.at.用瞄准/对准aim to do sthaim at doing sth旨在做某事，打算做某事be aimed at.旨在；目的在于即时跟踪(
31、1)单句语法填空Many farmers go to the city with the aim of finding good jobs.The hunter aimed his gun at the bird but did not shoot.The programme，aimed at improving(improve) the students ability of listening and speaking，will surely be a success.(2)单句改错The hunter took an accurate aim at the tiger.When shoo
32、ting an arrow, one must aim the target. 3(教材P45)Conclusion：Iron does not rust in dry air.结论：铁在干燥的空气中不会生锈。conclusion n结论(1)I came to/reached the conclusion that hed been lying.我断定他是在说谎。(2)In conclusion，Id like to say that the work has been well done.最后，我想说这工作做得不错。归纳拓展(1)draw/come to/arrive at/reach a
33、 conclusion得出结论make a conclusion下结论in conclusion最后；总之(2)conclude v下结论；推断；结束；决定conclude.with.以结束即时跟踪(1)最后，祝大家健康长寿。In_conclusion，I wish you all good health and a long life.(2)现在下结论还太早。It is still too early to draw/come_to/arrive_at/reach_a_conclusion now.(3)让我用一句谚语结束我的演讲：有志者，事竟成。Let me conclude my spe
34、ech with a saying：Where there is a will，there is a way.4(教材P45)Iron rusts in ordinary water.铁在普通的水中会生锈。ordinary adj.平常的，平淡无奇的(1)They have nothing in common.他们没有任何共同之处。(2)As usual，she went for a walk.跟平时一样，她出去散步了。易混辨析ordinary/common/usual/normal(1)ordinary(与众多同类的东西相比)强调“平常的，平淡无奇的”。(2)common强调“常见的，不足为
35、奇的”，意为“共同的，公共的，公有的，普通的”，common sense常识；have.in common与相同。(3)usual通常的；惯常的；惯例的。强调依照惯例来判断；有“遵循常规”之意。as usual像往常一样。(4)normal正常的，常态的，合乎标准的。return to normal恢复正常。即时跟踪用ordinary，common，usual，normal填空(1)Rabbits and foxes are common in the countryside.(2)Housing prices in Beijing are out of reach for ordinary
36、people.(3)The doctor said the childs temperature was normal.(4)The sweethearts in love meet once a week at the usual place.(5)She is a(n)ordinary girl，and doesnt stand out in a crowd.(6)Li Qi works hard as usual and it has paid off.He has got the first in The Voice of China.1(教材P44)The reaction of m
37、etals with these substances can be put_in_order.(不同的)金属与这些物质的反应可以按顺序排列起来。put.in order把按顺序排列/整理；把安排妥当All the things in the room were out of order，but she soon put them in order.房间里的东西摆放得乱七八糟的，但是她很快就把它们收拾整齐了。归纳拓展即时跟踪(1)完成句子Everything in the kitchen is in_good_order(井然有序的)My iPhone 6 is out_of_order_ag
38、ain(又出故障了)(2)单句改错Uncle Bob put his business affairs in the order before he died.2(教材P45)Add some oil to the water.This will keep air out of the water.往水中加些油，这将防止空气进入水中。add.to.往加入，把添加到(1)Add your scores up and lets see who will win.把你们的分数加起来，让我们看一下谁会赢。(2)His whole education added up to no more than t
39、wo months.他接受的全部教育加起来不超过两个月。归纳拓展即时跟踪(1)完成句子烟火使节日之夜更加迷人。Fireworks added_to the attraction of the festival night.毫无疑问这是火上浇油。There is no doubt that it is like adding oil to the fire.这些账单加起来正好一百美元。The bills add_up_to exactly $100.(2)单句语法填空Two added(add) to five is seven.His whole school education added
40、up to only 2 years because of his illness.1“分数/百分数of名词/代词”作主语(教材P41)Twothirds of the earths surface is water.地球表面的三分之二是水。Two fifths of the students agree to hold an evening party for their teachers birthday.五分之二的同学同意为他们老师的生日举办一个晚会。归纳拓展“分数/百分数of名词/代词”作主语，谓语动词的单复数与of后的名词或代词一致。注意：twothirds 是分数，表达分数时，我们
41、遵循的原则是：分子基数词，分母序数词，分子大于“1”，分母加“s”。即时跟踪(1)单句改错30% of the male population from heart disease.Twofifths of the area in the city covered by trees and grass.(2)完成句子瓶中三分之一的水是他喝的。Onethird of the water in the bottle was_drunk by him.四分之三的工作已经被做完了。Threequarters of the work has_been_done.2It isadj.(for sb) to
42、 do sth(教材P44)It_is_hard_to think of a world without metals.很难想象一个没有金属的世界。(1)It is important for us to grasp a living skill.对我们来说，掌握一门生活技能是很重要的。(2)It is a pity that you couldnt come.你来不了，真遗憾。归纳拓展(1)It isadj.(for sb) to do sth中的it是形式主语，真正的主语是后面的动词不定式。(2)it作形式主语的常见句型：It isadj.(for/of sb) to do sthIt i
43、sadj./n.that从句It is no good/use doing sth做某事是没有好处/用处的即时跟踪(1)完成句子我认为每天锻炼很有必要。I think it_is_necessary_to take exercise every day.熬夜太晚了没好处。It_is_no_good staying up too late.(2)单句改错It is possible Tom to finish the work on time.It was so kind you to let us bring Annes friend，Gina.单句语法填空1What conclusions(
44、conclude) can you draw from the evidence?2He studied hard every day，aiming(aim) at passing the exam.3It is obvious that this is a mixture(mix) of egg and orange.4This rope is twice longer than that one.5As usual，he got up very early.选词填空1Close the door and keep the cold air out_of the room.2I will t
45、hink_of my childhood every time I see the picture.3Look！Tony，your books are everywhere.Please_put them in_order.4Please add some sugar to my coffee.5He decided to find_out_who had taken his computer.完成句子1做完实验后，一切东西都要有序的排列在器皿柜中。After the experiment，everything is put_in_order in the cupboard.2学好英语对我们来
46、说很重要。It is important for_us_to_learn_English_well.3这个国家三分之二的人口是农民。Twothirds of the population of the country are farmers.4这个城镇南面坐落着一所学校。To the south of the town lies_a_school.5他的目标是成为一个成功的作家。He aims_to_be_a successful writer.课文语法填空Metals are very 1.important(importantly) in the world.Different metal
47、s have different 2.uses(use)For example，steel 3.is_used(use) in cars，and iron in 4.electrical(electricity) equipment.When we use metals，it is important 5.to_know(know) how they react 6.with different substances，for example，water and oxygen.The 7.reaction(react) of metals with these substances can 8.be_put(put) in order.Potassium，sodium，calcium，magnesium，aluminium and zinc react most,9.and iron and copper react 10.least(little).
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