留学生栏目主持人刘畅

由题意，得：a=1，b=-1，c=0，故a+b+c=1-1+0=0．故选B．

DearRalpha,I‘mamiddleschoolstudent,mynameisLisa.IamwritingtoyoutotellyoutheproblemIamfacinglately.Ih

Deareditor,　　I’mwritingtotellyousomethingabouttheproblemoffoodsafety.　　Acoupleofdaysago,oneofmyclass

留学生之父:容闳　　被后人誉为“中国留学生之父”的容闳,早年留学海外,成为最早系统接受西方新式教育并获得正式学位的东方人.归国后访查太平天国,上书建言七策；投身洋务运动,购买“制器之器”；参与变法维新

Challengethehost

Dearwhomwillconcern:IamaavidfanofxxxprogramwhichwasbroadcastedinentertainmentchannelofyourTVstation.

DearRalph,Howareyou?MynameisLiXiaohua.Iamwritingtoaskyouforhelp.Idon'tknowhowtocommunicatewithmymoth

DearLiuWei,Thanksforwritingtoourmagazine.Fromyourletter,Ilearnthatyouareintroublewithyourparents.Wel

DearWitman,I’mamiddleschoolstudent.I’mdoingwellatmystudies,andreadytohelpothers.IntheschoolIliketota

（略）

DearRainJem'applleLiuYong.Myfatherisaprofessorincollege.Heisaextraordinarilyhardworkingman.Healwaysg

我写好了,但是超过了字数限制,怎么办?你追问一下,我回复给你全部的.DearSmith,I'mastudent,mynameisLihua.IMyachievementisverygood,Ilove

Dearhost：Inthis,Mygreetings.Youhaveagood?Yourprogrambymyfamily'swelcome,Thankyoutoourfamilyofjoy.You

我去现场见过她,我的身高是160,穿跟鞋165.她穿着比我高的跟鞋还比我矮挺多,估计就155吧

Ilikethecolumnofanimalworld,notjustbecauseIesteemthatanimalsarefriendsofhumanbeings,butthehostmakest

Hi,MaryI'msureyouknowtheimportanceoflearningEnglishwell.WhatIwanttotellyoutodayisthatpleasetrytolear

孔子——教育论坛——因为孔子是中国创办私塾第一人,他打破了教育只能由官府垄断的局面.孟子——人与自然——因为孟子认为认为自然万物是纷繁复杂的,人类源于自然,依赖自然生存,人类也可以改变自然,治理自然.

这种叫冠名广告,　　一、冠名是广告的一种特殊形式,主要形式有以下几种：　　1、片头标版　　规格：节目开始时片头出现字幕并配音　　示例：“本节目由XXX冠名播出”,　　时长：每期5秒　　特点：开篇第一个

ToCathy:HelloCathy.IamWangPingandabigfanofyourradioprogram.Ihavebeenlisteningtoyourradiotalkshowfory

DearCathy,IamWangPing.Iamyourloyalaudience.Iamwritingtoyouforthepurposeofexpressingmysincerewishesto