必修1Unit4AvisittotheLanguage_points

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,策划：学生双语报,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,策划：学生双语报,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,人教课标,高一 必修,3 Unit 4,Language points,Unit 4 Reading I,1.However,according to a widely accepted theory,the universe,began with,a“Big Bang”that threw matter in all directions.,to begin with,和,to start with,：两个词组都有“以,开始”的意思,.,1)to begin with,以,为起点,;,开始,(,做,),2)to start with,以,.,开始,;,从,着手,;,由,作为开头,这两个词组都可以单独使用,表示“首先,;,第一,;,起初,;,最初”,.,在句中作时间状语,.,e.g.To begin/start with,I couldnt understand every word.,起初,我一句也没弄明白,.,2.,What it was to become,was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.,_,（使大家吃惊的是）,is that he didnt come to the meeting.,What surprised everybody,2._,（他所做的）,added to our difficulty.,What he did,_ we cant get seems better than _ we have.,What;what B.What;that,C.That;that D.That;what,_ made the school proud was _ more than 90%of the students had been admitted to key universities.,A.What;because B.What;that;,C.That;what D.That;because,A,B,3.The earth became so,violent,that it was not clear,whether,the,solid,shape would last or not.,问题是地球开始变得激烈动荡，不知道这个固体形状是否会继续下去。,n.,固体,solid,liquid,gas,adj.,固体的；实心的,无空隙的；结实的，坚固的,solid fuels,solid food,a solid sphere,solid furniture,a man of solid build,1)Matter has three states:solid,liquid and gas.,2)When water freezes,it becomes solid and we call it ice.,4.It,exploded,loudly with fire and rock.,1).,（,使某物）炸开，爆炸,2).,（指感情）激发,3).,（指人口）突然或迅速增加,The firework exploded in his hand and he was hurt seriously.,I was frightened when she exploded into loud laughter.,Now it is not easy to find jobs with the exploding population.,explosion n.,爆炸（声）,explosive adj,.,爆炸性的，易爆炸的,n.,炸药，爆炸物,5.They were,in time,to produce,carbon,nitrogen,water vapour and other gases,in time(for sth/to do sth):,not late,及时；不迟,She will be back in time to prepare dinner.,她来得及回来准备晚饭。,in time,:sooner or later;eventually,迟早；最后,I,ll see him in time.,总有一天我会遇见他。,in/out of time:in/not in the correct time,合,/,不合节拍,The audience clapped in time to the music.,观众合着音乐的节拍拍手。,6.,What is even more important is that as the earth,cooled,down,water began to,appear,on its surface.,随着地球的冷却,地球的表面就开始出现了水。,cool,adj.,凉快；冷静；冷淡,v.,（使）变冷；冷静下来,1)Lets sit in the shade and get cool.,2)I knew I had to keep cool.,3)His play received a cool response from the public.,4)The rain has cooled the air.,5)Let your soup cool a little before you drink it.,6)A heated argument can be settled better if both sides cool down first.,7)I tried to cool her down but she was still very angry when she left.,7.,It,was not immediately obvious,that water was to be fundamental to the development of life,.,水会对于生命的发展起关键作用,这一点在当时并不太明显,.,本句体现的是名词性从句在句中作主语的作用,虽然是以,It,开头,可是,It,只起到形式主语的作用,真正的主语是,that water was to be fundamental to the development of life.,用,It,做形式主语是因为,that,引导的从句较长,如果按照正常语序来安排的话就显得头重脚轻了,.,如,:,It,is no wonder,that he has passed the exam,.,8.What many scientists believe is that the continued presence of water allowed the earth to dissolve,harmful,gases and,acids,into the oceans and seas.,allow vt.,允许、许可、容许,allow+n./pron./doing allow sb.to do be allowed to do,My father doesnt allow smoking at home.In fact he doesnt allow us to smoke anywhere at any time.,父亲不允许在家里吸烟。实际上，他不允许我们在任何地方任何时候吸烟。,Are we allowed to use the computer?,我们可以用电脑么？,be harmful to,对,有害,do harm to sb.,=do sb.harm,伤害某人，对某人有害处,1)Pollution is especially harmful to animals.,2)Smoking will do you a lot of harm.,The foreign Minister said,“_ our hope that the two sides will work towards peace.”(2007BJ),A.This is B.There is C.That is D.It is,2.I like _ in the autumn when the weather is clear and bright.(NMET2008),A.this B.that C.it D.one,D,C,9.This produced a,chain,reaction,which made,it,possible for life to develop.,it,作形式宾语，其真正的宾语可,x,不定式，动名词和从句。,3.Why dont you bring _ to his attention that you are too busy to do it?,A.this B.that C.what D.it,D,4.Why?I have nothing to confess._ you want me to say?,A.What is it that B.What it is that,C.How is it that D.How it is that,5.Was it at the school _ was named after a hero _ he spent his childhood?,A.which;that B.where;where,C.that;where D.which;where,A,A,10.They,multiplied,and filled the oceans and seas with,oxygen,.,multiply(,数目上,),增加，增多；乘；（使）繁殖,1)Our problems have multiplied since last year.,2)2 and 5 multiply to make 10.,4)The plants here multiply rapidly.,3)6 multiplied by 5 is 30.,=Multiply 6 by 5 to make 30.,11.which,encouraged,the later,development,of early shellfish and all sorts of fish.,encourage,鼓舞；促进；怂恿。后接名词、代词，也可接不定式作宾语补足语。如：,High prices for corn and wheat will,encourage,farming.,玉米和小麦的高价将促进农业的发展。,My success,encouraged,me to continue.,我的成功鼓励我继续干下去。,He,encouraged,me to learn dancing.,他鼓励我去学跳舞。,development,(1)U,成长,发育；发展,(,过程,),；扩展,The development of this industry will take several years.,这项工业的发展要经过几年的时间。,(2)C,开发区,新社区,a new housing development,新建住宅区,(3)C,进化,进展；新情况,新闻,What are the latest developments?,The use of computers in teaching is a recent developmen