寒假作业检查情况

王老师您好,再可以发我一份新目标英语九年级课文朗读及听力录音(MP3) 设a-b+ab=0,其中ab≠0,则a分之1减去b分之一为()_百度知道 求解一道排列组合问题,第八问,题目是七个人站一排. 炫舞紫钻3级几天能升到4级? 炫舞紫钻3级到4级要几个月 我现在是3级紫钻.1月5日在炫舞里紫钻的成长值是2067.2月10日续年钻的话,什么时候升为4级紫钻 炫舞紫钻要多久才能升到4级 炫舞紫钻3级再开几个月升紫钻4级? 郢书燕说（全文翻译+重点词） 为什么说巴东三峡巫峡长 如何让大学过的有意义在大学感觉好迷茫,不知道怎样过的有意义,怎样学到真本事 well,here is the letter he wants to _______.he was very busy.A.have it to be typed.B .have typed.C.have it typed D.type it为什么不选C she is very busy every day,so she wants someone elses to_____her baby.A.look for B.look over C.see to D.watch on Ny parents got() in 1987 and a year later they had me In 1976,a year later,they set up a company 逗号说明这句话是1976还是1977 will there be too many people in our country next year是什么意思 do as i tell you 后面加to吗 I will do as you tell me.顺便问下 as Do as you___(tell).Don' targue Do as what you are tell的意思 the more careful you are,the ____(little)mistakes you'll make if you are not careful,you__ （有可能）make mistakes 可以的话= =告诉我：Gina is (fine)对括号里的单词提问____ ____ Gina I Don‘d Tell you . Mary lost her key to the bicycle yesterday 保持原意Mary____ ______her key to the bicycle yesterday. Alice is fine,too英文句子是什么意思? tone , accent , voice,stress各是什么意思 歌舞青春3 Senior year spring musical 中英文双字 senior year spring musical钢琴谱!你有吗 写出下列数列{an}的前5项 a1=1,a(n+1)=an+3 a1=2,a(n+1)=2an a1=3,a2=6,a(n+2)=a(n+1)-an prosody与music、tone、voice以及speech有什么区别?从语义学上什么区别?从音乐学上又有什么区别? That A song i call it "is only love"is very interesting to listen,i hope everybody can try to go...That A song i call it "is only love"is very interesting to listen,i hope everybody can try to go and listening the song with me together.请问这句