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I don't know Sam's telephone number.Will you please________i

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I don't know Sam's telephone number.Will you please________in your address book for me?
A.look up it
B.look it up
C.look for it
D.look at it
I don't know Sam's telephone number.Will you please________i
答案B
分析:本题有两个考点,一个是动词短语的意思:look at(注视……),look for(寻找丢失的东西),look up(抬头看),如果要指出看什么,要说成look up at(查寻),如:look up a new word in the dictionary.此处按句意是“在地址簿里查寻电话号码”,应该选look up.另一个考点是look up的宾语应该怎么放.短语动词有“动词+介词”类型的,宾语要放在介词的后面,称为“不可分开的短语”,如:look at the man,look at him.另一类是“动词+副词”构成的短语,称为“可分开短语”,其宾语可以放在后面,也可以放在短语的中间,但如果宾语是代词的话,必须放在短语的中间,如:look up the word/look the word up/look it up(错误:look up it).(延伸)含有介词at,for,after,of的动词短语总是“不可分开短语”,而含有副词up,down,out,away的短语总是“可分开短语”.但on,in,over可做介词也可做副词,要分别记忆.go over the lesson/go over it(复习)(不可分开);think over the matter/think the matter over/think it over(考虑)(可分开);call on his friends/call on them(拜访)(不可分开);put on a play/put a play on/put it on(演出)(可分开);join in the army/join in it(参加)(不可分开);get in the rice/get the rice in/get it in(收)(可分开)