優(yōu)質(zhì)課比賽課件英語(yǔ)：Module5 A Lesson in a Lab（外研版必修1）

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1、Module 5 A Lesson in a LabLanguage pointsLearning aims1.Master the key words,phrases and sentences in the text flexibly.2.Learn to describe a scientific experiment by using the knowledge learned today.Part I.Key Words1.expand v.膨脹，擴(kuò)張 expand.into.把擴(kuò)展/擴(kuò)充為 contract v.收縮，縮小 n.合同練習(xí)：_this sentence _ a par

2、agraph.A hedgehog(刺猬)often _ its body into a ball.Substances will _ or _ when they are heated or cooled.Expandintocontractsexpand contract 2.mix v混合混合;混淆混淆,搞混搞混(+with)mix A with/and B 把把A和和B混合混合/結(jié)合起來(lái)合起來(lái) mixture n_練習(xí)：Oil and water dont mix.=Oil wont_ _water.to mix black with white_Mix the paint and t

3、he water together.=_ the paint _ the water.The city was a _of old and new buildings.混合物混合物mixturemix with混淆黑白混淆黑白Mix with3.react v.反應(yīng);_ n.反應(yīng) 翻翻譯句子句子:How did she react to the news?Iron reacts with water and air to produce rust.In that case,people will react against the King sooner or later.歸納：_ 抗拒，反抗

4、 _ 對(duì)有反應(yīng),對(duì)做出反應(yīng) _與起化學(xué)反應(yīng)reaction她她對(duì)這個(gè)消息反應(yīng)如何對(duì)這個(gè)消息反應(yīng)如何?鐵與水和空氣反應(yīng)產(chǎn)生鐵銹鐵與水和空氣反應(yīng)產(chǎn)生鐵銹。如果那樣的話(huà)，如果那樣的話(huà)，人民遲早會(huì)起來(lái)反抗國(guó)王的。人民遲早會(huì)起來(lái)反抗國(guó)王的。react against sth.react to sth.react with sth.4.aim n.目標(biāo)，目的目標(biāo)，目的翻譯：你生活的目標(biāo)是什么？_ The hunter took aim at the lion._ What is your aim in life?獵人瞄準(zhǔn)了人瞄準(zhǔn)了獅子。子。v.瞄準(zhǔn)，對(duì)準(zhǔn)；旨在；立志翻翻譯句子句子：The hunter a

5、imed his gun at the wolf.What I said was not aimed at you.結(jié)構(gòu)：_ 用某物瞄準(zhǔn)某人,(評(píng)論，批評(píng))針對(duì)某人 Our education aims at combining brain work with manual work.The visit aimed at expanding relations between the two countries.結(jié)構(gòu)：_向瞄準(zhǔn)，目標(biāo)是 I didnt aim to hurt you.結(jié)構(gòu)：_旨在做某事，打算做某事這次訪問(wèn)這次訪問(wèn)目標(biāo)是拓展目標(biāo)是拓展兩國(guó)間的關(guān)系。兩國(guó)間的關(guān)系。我們的教育我們的教

6、育目標(biāo)是目標(biāo)是把腦體勞動(dòng)結(jié)合起來(lái)。把腦體勞動(dòng)結(jié)合起來(lái)。獵人用槍瞄準(zhǔn)了那只狼。獵人用槍瞄準(zhǔn)了那只狼。我那些話(huà)不是針對(duì)你說(shuō)的。我那些話(huà)不是針對(duì)你說(shuō)的。我并沒(méi)打算傷害你。我并沒(méi)打算傷害你。aim at sth./doing sth.aim to do sth.aim sth.at sb.5.conclusion n結(jié)論 拓展：拓展：得出結(jié)論arrive at/come to/draw/reach a conclusion 下結(jié)論_ 最后，作為結(jié)束 in conclusion練習(xí)：Ive_/_/_/_ the conclusion that hes not the right person for t

7、he job.我得出的結(jié)論是他不適合做這份工作。_（總之）,school students should learn something positive from super girls rather than only gorgeous makeup or hairstyle.拓展拓展：conclude vt.下結(jié)論，推斷What do you conclude from the last paragraph?翻譯：_make a conclusionarrived at come to drawn reachedIn conclusion 你能從最后一段中得出什么結(jié)論？你能從最后一段中得

8、出什么結(jié)論？6.form (1)v.形成，養(yǎng)成，構(gòu)成翻翻譯句子句子：We should form a good habit to keep healthy.A plan formed in my mind.n.形式，形狀；表格，格式拓展拓展：in the form of以形式，呈狀態(tài) fill in/out a form填表格The cakes were all _hearts.那些蛋糕的形狀都呈心形。Please _the following form.請(qǐng)?zhí)顚?xiě)下面的表格。fill in in the form of 一個(gè)計(jì)劃在我的頭腦中形成。一個(gè)計(jì)劃在我的頭腦中形成。我們應(yīng)該養(yǎng)成好習(xí)慣以保持

9、健康。我們應(yīng)該養(yǎng)成好習(xí)慣以保持健康。Part II.Key Phrases.I.Translate the following phrases:1.與一樣_ 2.使有條理_3.在底部_ 4.在頂部_ 5.以形式_ 6.與反應(yīng)_7.做試驗(yàn)_ 8.的混合物_ 9.得出結(jié)論_10.往加入_11.想，考慮_12.把關(guān)在外面_the same as putin orderat the bottom ofat the top of in the form ofreact withmake an experimenta mixture ofarrive at/reach a conclusionadd.to

10、.think ofkeep.out ofII.Learn the phrases.1.add.to.往加入短語(yǔ):增加，增添_ 把某物加起來(lái)_ 共計(jì)，合計(jì)達(dá) _ 補(bǔ)充說(shuō)，繼續(xù)說(shuō)_v.ExerciseDo you want to add your name to the list?翻譯：_The bad weather _(增加了)our difficulties.These numbers _(合計(jì)為)100.Please_(加起來(lái))all these numbers.I felt sorry for her,Bob _.我為她感到惋惜,鮑勃又說(shuō)道。add toadded toadd add u

11、p toadd up sth.add sth.together你想把你的名字加到名單里嗎？你想把你的名字加到名單里嗎？add up toadd upadded2.keep.out of.使不進(jìn)入,把關(guān)在外面Exercise:This will_the water.這將把空氣隔絕在水外。Please keep the dog out of the study.翻譯：_keep air out of別讓這只狗進(jìn)入書(shū)房別讓這只狗進(jìn)入書(shū)房2.put sth.in order 把某物按順序排列/整理 短語(yǔ)：（1）有順序的；次序井然的_;無(wú)順序的_（2）按照的順序_（3）為了（接動(dòng)詞原形）_;為了（引導(dǎo)目

12、的狀語(yǔ)從句）_in the order ofout of orderin order in order that.in order to do sth.Exercise_ the following sentences _.按順序排列下面的句子。All the things in the room were _,but she quickly _ them _.A.in order;put;in order B.on order;place;in order C.out of order;put;in order D.by order;place;in order_ catch the tra

13、in,he hurried through his work.A.In order to B.So as to C.In order that D.So that He got up early in order to catch the first bus.=He got up early _ _ _ he might catch the first bus.Put in orderCAin order to Part III.Key Sentence.Two thirds of the students in our class are League members.Two-thirds

14、of the earths surface is water.歸納:如果分?jǐn)?shù)做主語(yǔ)，則要看它代表可數(shù)名詞還是不可數(shù)名詞，如代表可數(shù)名詞的復(fù)數(shù)，則謂語(yǔ)動(dòng)詞用_形式;如代表不可數(shù)名詞，則謂語(yǔ)動(dòng)詞用_形式。ExerciseMore than two thirds of the surface of the earth_(be)covered by water.One third of the rivers in that county _(have)been polluted.One third of the water _(have)been polluted.復(fù)數(shù)復(fù)數(shù)單數(shù)單數(shù)hashaveis2

15、.It is important to know how they react with different substances，for example，water and oxygen.了解它們?nèi)绾瓮袼?、氧氣這樣不同的物質(zhì)發(fā)生反應(yīng)是非常重要的。（1）It is/was+adj.+to do sth 是一個(gè)固定句型。其中的it是形式主語(yǔ)，真正的主語(yǔ)是動(dòng)詞不定式to后面的部分。（2）how引導(dǎo)的句子作know的賓語(yǔ)。（3）for example是不完全列舉，“例如”。完全列舉時(shí)用that is。鏈接接：以it作形式主語(yǔ)或形式賓語(yǔ)的動(dòng)詞有：feel，consider，find，believe，

16、make，take，imagine，think，suppose,count,regard等。在這種結(jié)構(gòu)中，被替代的成分要置于句尾。Translation：浪費(fèi)這些食物真可惜。_ 你能幫助這位盲人真好。_It is a pity to waste the food.It is kind of you to help the blind.Part IV.Practice（學(xué)以致用）（學(xué)以致用）Water is an ordinary _of nature.When heated,it _.When cooled,it _.Well make an _with it.Our _is to find

17、out if iron rusts in water that has no air in it.The most important step is to _some oil to the water.This will _air _ _the water.When we finish the experiment,we can draw a _that iron doesnt rusts in air-free water.Similarly,metals are another _substance of nature.It is hard to think of a world wit

18、hout metals.When we use metals,it is important to know how they _ _different substances,for example,water and oxygen.The _of metals with these substances can be _ _ _.substance expands contractsexperiment aimaddkeep out ofconclusion ordinary react with reaction put in order Homework1.Write an article to describe a scientific experiment by using the knowledge learned today.2.Review the key words,phrases and sentences learned today.3.Do the exercises on 伴你學(xué).