Shortly after the accident,two ___policemen were sent to the spot to keep order.A.score of B.scores of C.dozens of D.dozen of希望区别一下A和C以及score和dozen的用法侧重点是SCORE 和DOZEN

Shortly after the accident,two ___policemen were sent to the spot to keep order.A.score of B.scores of C.dozens of D.dozen of希望区别一下A和C以及score和dozen的用法侧重点是SCORE 和DOZEN
Shortly after the accident,two ___policemen were sent to the spot to keep order.
A.score of B.scores of C.dozens of D.dozen of
希望区别一下A和C以及score和dozen的用法
侧重点是SCORE 和DOZEN

Shortly after the accident,two ___policemen were sent to the spot to keep order.A.score of B.scores of C.dozens of D.dozen of希望区别一下A和C以及score和dozen的用法侧重点是SCORE 和DOZEN
一、dozen表示“ 打,十二个”的意思,而score表示“二十”的意思.
二、两词与数词,a,many,several连用修饰名词复数时,都要用单数,其后的介词of有无均可.但是,习惯上score多与of连用,而dozen很少与of连用,如：two score(of)workers,three score and ten people,several dozen children,many dozen books.
三、两词与of连用（of不省略）时,可用于人称代词宾格（us,you,them）或指示代词（these,those）修饰的名词前,表示所属关系.如：a dozen of these/those pelple,two dozen of them/us,a score of these/those workers.
四、 两词的复数形式与of连用时,表示不确切的数量,意为“许多……,大量的……”.如：dozens of people,dozens of times,scores of people.而some dozen people是“一打左右的人”（大约十二人）与some dozen of people同义.（some）dozen of people是“若干打的人”（几十个人,许多人）.
五、除了上述用法之外,还要注意下列习惯用语：（pack）in dozens〔成打（包装）〕,（sell）by the dozen[论打（出售）],in scores(成批的)
练习：1. The woman wanted to buy three____eggs,but there were only two___eggs left inthe shop.
A.scores of;dozens of B.scores;dozens C.score of; dozen of D.score of;dozen
2.The goods are packed in____and shipped in____all over the world.
A.dozens;scores B.scores;dozens C.dozens;score D.score;dozen
3.The teacher wanted to buy two___books,but the salesgirl only sold him___these books.
A.scores of;dozens of B.scores;dozen of C.score of;dozen of D.score of;dozen
答案：1、D 2、A 3、C
参考资料： http://hi.baidu.com/qunzhi0510/blog/item/313e792b7e549e305343c1e5.html

the police警察局, 警务人员(总称)=(=policemen)警察
police,policeman,officer,constable这四个词都表示“警察”。
police是集体名词，总是单数形式，但应当用复数形式的谓语
As usual, the police will have a difficult time.
警察的日子照例不会好过的。
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the police警察局, 警务人员(总称)=(=policemen)警察
police,policeman,officer,constable这四个词都表示“警察”。
police是集体名词，总是单数形式，但应当用复数形式的谓语
As usual, the police will have a difficult time.
警察的日子照例不会好过的。
policeman(policemen 复数)指一名警察，可以是交通警察，也可以是侦探警察或公安警察
The workmen told him to do as he pleased and the policeman telephoneed for help.
工人对那个警察说随他的便，于是那个警察就打电话求助了。
在英国英语中常以policeofficer出现，含义等于policeman. 现代英语中常用officer用来直接称呼policeman。然而在过去英国没有policeman 一词之前officer 一直用来表示与治安有关的任何官员
Harry:I'm afraid I didn't, officer.
哈利：恐怕是我没有看到，警官。
而Policemen是policeman的复数形式
但是，没有policemans这种写法！

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