第五章各类从句.ppt

the method procedure process scheme means by which … §5. 4 定语从句 西安电子科技大学 the care skill ease difficulty efficiency accuracy precision rapidity with which … §5. 4 定语从句 西安电子科技大学 ③ “介词”根据全句所要表达的意思来确定 The substance in which there are many free electrons is a good conductor. §5. 4 定语从句 西安电子科技大学 2、引导词可省去的场合（只能在限制性定语从句中） （凡在一个句中有两个谓语而找不到任何并列连词和从句引导词时，则一般隐藏了一个定语从句，从两个毫不相干的名词中间分开来就可找出定语从句来。） §5. 4 定语从句 西安电子科技大学 （1）关系代词在从句中作及物动词的宾语时 In this case the power in the load will be the maximum the source is capable of supplying . §5. 4 定语从句 西安电子科技大学 （2）关系代词在从句中作介词宾语而把介词置于从句末尾时（在科技文中不常见） Copper is one of the metals we are most familiar with . （3）在下述名词后可省去关系副词或“介词 + which”，也可用关系副词“that”来替代。 §5. 4 定语从句 西安电子科技大学 the time [moment, instant, cycle, point, day, …] the reason the way [manner] the direction the distance the amount the number of times [units, places “位”, days, …] §5. 4 定语从句 西安电子科技大学 The current starts flowing at the moment the circuit is closed . The diagram（图）shows the way the current changes with time . The product（乘积）of the force and the distance a body moves is called work. §5. 4 定语从句 西安电子科技大学 The amount a solid material will expand when heated is measured by its coefficient（系数）of linear expansion（线膨胀）. The voltage gain（增益）is the number of times a stage（级）, or a number of stages, amplifies the signal . §5. 4 定语从句 西安电子科技大学 It is necessary to count the number of places（位）the decimal point（十进制小数点）has been shifted（移动）. §5. 4 定语从句 西安电子科技大学 ***试区分下面两句中“that从句”的种类： They went there for the simple reason that they wanted to learn something new. §5. 4 定语从句 The reason that they went there was that they wanted to learn something new. 西安电子科技大学 （4）关系代词在定语从句中作“there be”句型的主语时 The thermometer（温度计）does not tell us about the amount of heat there is in the liquids