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1、1课堂导学文本感知.Passage A1.The first sentence “It is hard to think of a world without metals.” will make us think _.A.metals make up the worldB.metals play a greatly important role in the worldC.there would be no world if there were no metalsD.it is difficult for us to live in the world of metals答案：B2.The
2、 table in the passage is arranged in order of _.A.metal kindsB.reaction activityC.values of metalD.the first letter of the words答案：B3.An oxide is _.A.a new kind of metalsB.a kind of gasesC.a product of reactionD.a factor of chemical reaction答案：C4.The main idea of this passage is about _.A.various us
3、es of metalsB.the importance of metals C.the reaction of metalsD.how to tell metals apart答案：C5.According to the table,which metal is most suitable to make our daily kitchenware?A.Zinc.B.Iron.C.Copper.D.Magnesium.答案:CPassage B1.Which is NOT the apparatus that is required in the experiment of “Iron in
4、 dry air”?A.Cotton wool.B.Oil.C.Iron nails.2D.Test tube holder.答案：B2.Which is required as one of the apparatus in the experiment of “Iron in ordinary water”?A.Oil.B.Cotton.C.Bunsen burner.D.Test tube holder.答案：D3.The purpose of this experiment is _.A.to find out how iron reacts with water and airB.t
5、o find out how important iron isC.to find out how to do the experiment of irons reaction with water and airD.to find out how to keep iron rustless答案:D.CULTURAL CORNER1.When did Mark Kendon begin to feel interested in Science?A.After he listened to a science lecture.B.After he heard about Nobel Prize
6、.C.After he changed to a new school.D.After he did an experiement in the lab.答案：C2.Who do you think played an important part in making Mark Kendon interested in science?A.His parents.B.The lectures.C.Nobel Prize winners.D.His chemistry teacher.答案：D3.It seems that Mark Kendon used to love_ classes.A.
7、languageB.chemistryC.physicsD.art答案：A4.We can see Mark Kendons parents _,when he was determined to go to Ottawa university.A.were greatly surprisedB.were very proudC.supported himD.disliked it答案：A5.The best title of this passage is _.3A.What A SurpriseB.Science Teaching of My New SchoolC.Science,My
8、New Interest!D.How To Study Science答案:C难句透视1.It is hard to think of a world without metals.很难想像一个没有金属的世界。剖析:It 是形式主语,真正的主语是 to think of.,without metals是表示条件的一个介词短语,作后置定语修饰 world。2.When we use metals,it is important to know how they react with different substances,for example,water and oxygen.使用金属时,要
9、了解金属和不同的物质,例如,水和氧气,如何发生反应,这一点很重要。剖析:it 是形式主语,to know how.是真正的主语。react with.意为“与反应” 。3.The reaction of metals with these substances can be put in order.金属与这些物质的反应程度可以按顺序排列起来。剖析:put.into order 用顺序进行 排列 。4.Here is a table with the metals that react most at the top,and the metals that react least at the
10、 bottom.这里有一个表格。金属反应强的在上面,弱的在底部。剖析:Here is.是一个完全倒装结构。用来引出想介绍的内容；with the metals that react most at the top,and the metals that react least at the bottom.是一个with+名词+介词短语作补足语的独立主格结构,作后置定语；that react most和 that react least是两个定语从句各自修饰 metals。5.Below is a description of a simple scientific experiment.下面叙
11、述的是一个简单的科学实验。剖析:Below is.也是一个完全倒装句式,用来引出即将介绍的内容。6.The science facilities are very good,with laboratories that have all the latest equipment.这些科研设备非常好,实验室配有最新的设备。剖析:facility 意为“设备” ，常用其复数形式；latest 是形容词,意为“最新的” ；equipment是不可数名词,意为“设备” 。7.Our chemistry teacher,Mr Longford,takes us to public science lec
12、tures about four times a term,and these are always very interesting,as the lecturers are people who have made real discoveries in their area of science.我们的化学老师朗福德先生大约每个学期带我们去听四次大众科学讲座。这些总是很有趣,因为做讲座的人都是在各自的科研领域里真正有所发现的人。剖析:four times意为“四次”,表示次数时:一次用 once;两次用 twice；三次以上用“基数词+times” 。 as the lecturers
13、are people who have made real discoveries in their area of science.是原因状语从句,意为“由于” ；make discoveries“有了发现” ；in their area of.“在他们的领域中” 。8.The fact is,Canada has many first-class scientists.4事实是,加拿大有许多一流的科学家。剖析:The fact is是插入语 ,从整个句式来看,这个句子也可改为 :The fact is that Canada has.;first-class是合成形容词,意为“一流的” 。
14、9.In the last twenty years,seven Canadian scientists have won the Nobel Prize!在过去的二十年里,七个加拿大科学家获得了诺贝尔奖！剖析:in the last twenty years,意为“在最近这二十年”,常与现在完成时连用。10.Im becoming more and more interested in physics,and have decided that I want to study it at university.我对物理越来越感兴趣,决心到大学学习。剖析:要注意:become 是瞬间动词,用于
15、进行时态时,表示“逐渐变得” ；more and more 意为“越来越” 。11.Im going to try to go to either Montreal or Ottawa University,as both are supposed to have good Physics Departments.我打算或者到孟特利尔或者到渥太华大学,因为两个大学都有不错的物理系。剖析:either Montreal or Ottawa University由 either.or.连接两个并列的宾语；as both are supposed to have good Physics Departments是原因状语从句,意为“由于”;are supposed to 意为“被认为是；应当；理应” 。要点解读一、词汇详解1.expand vi.膨胀；张开,展开;扩大【典型例句】The population is expanding rapidly.人口正在迅猛膨胀。The eagle expanded its wings before flying.老鹰在起飞前先展开它的翅膀。He was trying to expand his business.他(当时)正在努力扩展自己的事业。【相关链接】派expansion n.扩大,扩展,膨胀 反contract 缩小单
