开拓,气魄,和蔼,沉浸,暴躁,害羞,忙碌,闪烁,推荐,推辞,茂密,嗜好,的近义词是什么
设集合P={3,4,5},Q=[4,5,6,7},定义P♁Q=｛（a,b)|a属于P,b属于Q｝,则P♁Q的真子集个数是多少?
设集合p＝｛3.4.5｝,q＝｛4.5.6.7｝定义,p*q＝｛（a,b）|a∈p,b∈q｝求p*q的非空真子集的个数(3,4)(3,5)(3,6)(3,7)(4,4)(4,5)(4,6)(4,7)(5,4)(5,5)(5,6)(5,7)1.（4,4）（5,5）也可以么不是必须不同的么
1,Look,Simon,（）MP4thatIboughtlastyearisn'tworkingA,aB,anC,theD,不填2,——WhatcanIdoforyou?———Iwant_____MP4playerformydaughterA,aB,anC,theD,/
【连词成句nearly,passed,he,a,came,week,before,backhe,arriving,us,on,the,telephoned,destinationthe,should,every,be,two,flower,days,waterdhis,is,bigger,house,far,than,yoursshi,such,that,we,a,all,lovely,like,girl,her,is我还要补课】
