MET-CN、X-city、Graphis、TBA这些词都什么意思

MET-CN、X-city、Graphis、TBA这些词都什么意思 The CN Tower is the symbol of the city of toronto,which is a city of[ ] chicago was the first city on our trip that met our expectations这句话什么意思? 英语语法问题-请问这题选哪个?为什么?This is the city where/in which I met John city city city 看到你有皮囊主题曲 this is my city的mp3 能不能发给我.yuexiashu2@yahoo.com.cn .多项式f(x)=Cn,1(x-1)+Cn,2(x-1)^2+Cn,3(x-1)^3+.+Cn,n(x-1)^n的展开式中含x^6的系数是? MET是什么意思? met是什么意思 met a The Country Mouse and the City Mouse的阅读答案The Country Mouse and the City Mouse One day a city mouse met a county mouse in the field.The country mouse was eating nuts.“Hello,friend!Why are you eating such bad food?Come with me and see.You c 英译汉歌词HomecomingYeah.And you say Chi city,Chi city,Chi city Comin home again.Do you think about me now and then?Do you think about me now and then?Cause I’m coming home again I'm in home again I met this girl when I was three years old And 1.多项式f(x)=Cn,1(x-1)+Cn,2(x-1)^2+Cn,3(x-1)^3+.+Cn,n(x-1)^n的展开式中含x^6的系数是?2.（1+x)^7(1-x)^5的展开式中,含x^6项的系数是? cn是什么意思 CN是什么意思 cn 是什么意思