1、Module 5 A Lesson in a LabLanguage pointsLearning aims 1.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.膨胀，扩张expand.into.把扩展/扩充为contract v.收缩，缩小 n.合同练习：_this sentence _ a para
2、graph.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;混淆,搞混(+with)mix A with/and B 把A和B混合/结合起来mixture n_练习：Oil and water dont mix.=Oil wont_ _water.to mix black with white_Mix the paint and the water togeth
3、er.=_ the paint _ the water.The city was a _of old and new buildings.混合物mixturemix with混淆黑白Mix with3.react v.反应;_ n.反应翻译句子: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.归纳：_ 抗拒，反抗_ 对有反应,对做出反应_与起化学反应reactio
4、n她对这个消息反应如何?铁与水和空气反应产生铁锈。如果那样的话，人民迟早会起来反抗国王的。react against sth.react to sth.react with sth.4.aimn.目标，目的翻译：你生活的目标是什么？_The hunter took aim at the lion._What is your aim in life?猎人瞄准了狮子。v.瞄准，对准；旨在；立志翻译句子：The hunter aimed his gun at the wolf.What I said was not aimed at you.结构：_用某物瞄准某人,(评论，批评)针对某人Our ed
5、ucation aims at combining brain work with manual work.The visit aimed at expanding relations between the two countries.结构：_向瞄准，目标是 I didnt aim to hurt you.结构：_旨在做某事，打算做某事这次访问目标是拓展两国间的关系。我们的教育目标是把脑体劳动结合起来。猎人用枪瞄准了那只狼。我那些话不是针对你说的。我并没打算伤害你。aim at sth./doing sth.aim to do sth.aim sth.at sb.5.conclusion n
6、结论拓展：得出结论arrive at/come to/draw/reach a conclusion下结论_ 最后，作为结束 in conclusion练习：Ive_/_/_/_ the conclusion that hes not the right person for the job.我得出的结论是他不适合做这份工作。_（总之）,school students should learn something positive from super girls rather than only gorgeous makeup or hairstyle.拓展：concludevt.下结论，推
7、断What do you conclude from the last paragraph?翻译：_make a conclusionarrived atcome todrawnreachedIn conclusion你能从最后一段中得出什么结论？6.form (1)v.形成，养成，构成翻译句子：We should form a good habit to keep healthy.A plan formed in my mind.n.形式，形状；表格，格式拓展：in the form of以形式，呈状态 fill in/out a form填表格The cakes were all _hea
8、rts.那些蛋糕的形状都呈心形。Please _the following form.请填写下面的表格。fill in in the form of 一个计划在我的头脑中形成。我们应该养成好习惯以保持健康。Part II.Key Phrases.I.Translate the following phrases:1.与一样_ 2.使有条理_3.在底部_ 4.在顶部_ 5.以形式_ 6.与反应_7.做试验_ 8.的混合物_ 9.得出结论_10.往加入_11.想，考虑_12.把关在外面_the same as putin orderat the bottom ofat the top of in
9、the form ofreact withmake an experimenta mixture ofarrive at/reach a conclusionadd.to.think ofkeep.out ofII.Learn the phrases.1.add.to.往加入短语:增加，增添_ 把某物加起来_共计，合计达 _ 补充说，继续说_v.ExerciseDo you want to add your name to the list?翻译：_The bad weather _(增加了)our difficulties.These numbers _(合计为)100.Please_(加起
10、来)all these numbers.I felt sorry for her,Bob _.我为她感到惋惜,鲍勃又说道。add toadded toadd add up toadd up sth.add sth.together你想把你的名字加到名单里吗？add up toadd upadded2.keep.out of.使不进入,把关在外面Exercise:This will_the water.这将把空气隔绝在水外。Please keep the dog out of the study.翻译：_keep air out of别让这只狗进入书房2.put sth.in order 把某物
11、按顺序排列/整理短语：（1）有顺序的；次序井然的_;无顺序的_（2）按照的顺序_（3）为了（接动词原形）_;为了（引导目的状语从句）_in the order ofout of orderin order in order that.in order to do sth.Exercise_ the following sentences _.按顺序排列下面的句子。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
12、 order;put;in order D.by order;place;in order_ catch the train,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
13、 of the students in our class are League members.Two-thirds of the earths surface is water.归纳:如果分数做主语，则要看它代表可数名词还是不可数名词，如代表可数名词的复数，则谓语动词用_形式;如代表不可数名词，则谓语动词用_形式。ExerciseMore than two thirds of the surface of theearth_(be)covered by water.One third of the rivers in that county _(have)been polluted.One
14、 third of the water _(have)been polluted.复数单数hashaveis2.It is important to know how they react with different substances，for example，water and oxygen.了解它们如何同像水、氧气这样不同的物质发生反应是非常重要的。（1）It is/was+adj.+to do sth 是一个固定句型。其中的it是形式主语，真正的主语是动词不定式to后面的部分。（2）how引导的句子作know的宾语。（3）for example是不完全列举，“例如”。完全列举时用th
15、at is。链接：以it作形式主语或形式宾语的动词有：feel，consider，find，believe，make，take，imagine，think，suppose,count,regard等。在这种结构中，被替代的成分要置于句尾。Translation：浪费这些食物真可惜。_你能帮助这位盲人真好。_It is a pity to waste the food.It is kind of you to help the blind.Part IV.Practice（学以致用）Water is an ordinary _of nature.When heated,it _.When coo
16、led,it _.Well make an _with it.Our _is to find 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 _substan
17、ce of nature.It is hard to think of a world without 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 Homework 1.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 伴你学.
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