一汽奔腾b50

求证（2cosθ-sin2θ)/(2cosθ+sin2θ)=tan(π/4-θ/2)右边应该是tan(π/4-θ/2)^2 5.My mother said to me,“I will buy you a new coat tomorrow.” 变间接引语 东方有线电视屏幕下面调台时出现的中文指示被宝宝搞成英文的了,怎么调成中文 "i will help my mother do some housework tomorrow.".Ann said.(改为间接引语Ann said that ____ _____ help ____ mother do some housework ____ _____ ____.2.jim Green will bring some flowers if he comes here.（对划线句子提问）____will jim G Jim said to me:"Where is my mother?''变成间接引语怎么变? 变间接引语 He said to me "Can you help my mother do her work?"快 'I am doing my homework'mother said to me改间接引语Mr Green says the trafficis heavy in china改直接语 1、用一根5.2厘米长的铅丝,正好可以焊成长6厘米,宽1厘米,高（）厘米的长方体框架.2、把一个表面积是84平方厘米,如果它能恰好锯成3个同样相等的8个小正方形后,小正方体的表面积是（）平 when was he born=--- ---- when was he born 是什么时态 When was he born? He was born in 1895.How long did he hiccup? He hiccupped for 69 years and 5 months.When did he start hiccupping ? He started hiccupping in 1922. 求翻译 matlab中的magic方阵是什么意思,我看好像是行和、列和对角和相等,是么? 孩子们正在看去年的照片的英语怎么读 2cos2a-1/2tan(π/4-a)sin2（π/4+a) Millie with her mother to come to Sunshing Middle School on i____Open Day.快 Millie will fly kites with her classmates this Sunday.改为否定句 tomorrow will be rainy.kitty_take the umbrella with her.tomorrow will be rainy.kitty___take the umbrella with her.a.have to b.has to c.had to d.will have to Millie thinks long boots look cool __ her A.to B.for C.with D.onMillie thinks long boots look cool __ her A.to B.for C.with D.on 不懂英语的家长怎么教小孩?我自己才读完初中,以前教的英语几乎忘记光了,因为出社会以后都没有上班.我想买个点读机不知道有用吗?我三个小孩都上幼儿园了学前班的有些都不懂? 请问孩子学英语、家长都不懂英语、要采取什么办法辅导了? assist和help的区别 看看孩子做的怎么样 英文不懂啊 一个不懂英语的妈妈如何教孩子 assist ,aid 和 help 有什么区别?好像都差不多啊,都是帮助的意思,但不知道有什么区别, 我家孩子复习英语,我们又不懂,怎么给他辅导呀?学的好像是叫什么表音密码 assist与help的区别我知道用法一样的,其他有什么不同? 怎么读?发中文.谐音. 用中文谐音怎么读 when was he born 这个模块的单词 “will you go with me to meet a friend this afternoon?”he asked me直接引语变间接引语 My mother asked us,"when will you set off?怎么改成间接引语 Are you sure your mother will come?they asked(转换为间接引语）