hunred--score--dozen等的用法.ppt
难难点点诠诠释释与数词或与数词或several等连用时等连用时, 不用复数形式不用复数形式, 所所修饰的名词前常省去修饰的名词前常省去of。如:。如:four dozen eggs。表示表示“许多许多”(约数而不是确定的数约数而不是确定的数, 后接后接of)时时, 要用复数形式。即要用复数形式。即hundred of, scores of, dozens of。29hundred, score, dozen等的用法难难点点诠诠释释hundred, score, dozen等后的名词前有定冠词、指示等后的名词前有定冠词、指示代词、物主代词等限定词时,须用代词、物主代词等限定词时,须用of; 其后的名词前其后的名词前如果没有定冠词、指示代词、物主代词等限定词时,如果没有定冠词、指示代词、物主代词等限定词时,则不用则不用of。Four hundred of the students of their school took part in the physics competition.four score doctors of the hospital 29hundred, score, dozen等的用法难难点点诠诠释释1/5表达为:表达为: one-fifth序数词序数词基数词基数词3/5表达为:表达为: three-fifths分母分母+S分子分子11/21/43/4表达为表达为:a/one half表达为表达为:a quarter表达为表达为:three quarters29hundred, score, dozen等的用法难难点点诠诠释释a dozen people 十二人十二人(many/several/a few) dozens of 数打数打by the dozen 按打按打a score of people 二十人二十人two score of these books这些书中的这些书中的40本本in scores 很多,大批很多,大批29hundred, score, dozen等的用法Shortly after the accident, two _ policemen were sent to the scene to keep order.A. dozens of B. dozens C. dozen D. dozen of典典型型例例题题C。dozen与数词连用时与数词连用时, 不用复数不用复数, 又因为又因为dozen后的名词前没有定冠词、指示代词或后的名词前没有定冠词、指示代词或物主代词等限定词物主代词等限定词, 因此其后不用因此其后不用of。29hundred, score, dozen等的用法Its reported that there are _ visitors to theruins of the World Trade Centre every week.ten of thousand of B. tens of thousands ofC. ten of thousands of D. ten thousand of即即时时突突破破B。“数以万计的数以万计的”表示不确定的量,正确表示不确定的量,正确的表达是的表达是“tens of thousands of”。29hundred, score, dozen等的用法