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1、,第七章 句子成分的强调手段,7.1 强调句型,先做下面一个改错题：,It is in 1984 which China launched her first comsat（通讯卫星）.,1、句型：,+被强调的成分,+that which;who+,It,iswas,主语宾语状语介词宾语,注：“be”的形式还可以是“has been;will be;may be;must be;must have been”等。,7.1 强调句型,“状语”可以是“副词；介词短语；状语从句；不定式（目的）”。,“that”一般可用于强调任何东西；“which”只能用于强调事物的主、宾、介宾；“who”只能用于强
2、调人的主语；强调介宾时，可用“介词+which whom”或用“that which;who+介词（在句尾）”。,7.1 强调句型,2、译法,（1）一般译成“正是；是；就是；只是”。,（2）当强调疑问词、连接代词、连接副词时，要译成“到底；究竟”。,7.1 强调句型,3、例句,It is when an object is heated that the average speed of molecules（分子）is increased.,It was Faraday who first discovered electromagnetic induction（电磁感应）.,7.1 强调句型
3、,When an electron and a proton（质子）attract each other,it will be the tiny（微小的）electron that will do most of the actual（实际的）moving.,It is the nurse（护士）with whom the patients（病人）spend most of the time in a ward room（病房）.,It is not clear yet why it is that this is so.,7.1 强调句型,Fig.1 3 shows how it is th
4、at a coil of wire（导线圈）induces（感应）a current in another coil when the current in it is turned on or off.,*Computer software has become a driving force.It is the engine（发动机）that drives（推动）business decision making（商务决策）.,7.1 强调句型,*P=1.5 P when m=1.This is important because it is the maximum power that r
5、elevant（有关的）amplifiers（放大器）must be capable of handling（处理）without distortion（失真）.,7.1 强调句型,1、“助动词do(does,did)+动词原形”译成“的确；确实；一定；真的；务必”,does vary with temperature.,Mathematical analysis shows that these methods do work,but it is not clear yet under what conditions it is that they may be used.,7.2 利用某些
6、词汇来强调某些成分,(There does exist a generation gap（代沟）between parents and children.),The current starts to flow at the very moment the circuit is closed.,2、“形容词very+名词”译成“就；正；最；一”,7.2 利用某些词汇来强调某些成分,The alternating current is the very current that makes radio and television possible.,Although charging（充电）o
7、ccurs at an exponential rate（指数速率）,the very beginning of the exponential curve approximates a straight line.,7.2 利用某些词汇来强调某些成分,3、用副词“only,merely,simply,never,right,even,alone”等等,7.2 利用某些词汇来强调某些成分,So small are atoms that we cannot see them with our naked eyes（肉眼）.,This property（性质）we call inertia（惯性）.,Electricity makes possible a great many things.,7.3 采用倒装句型,
