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信任危机是社会因素还是个人的辩论,我方代表个人,求问对方的犀利的问题~ 立例禁止过马路时用手机,你认为有必要吗?（辩论题!） 能多一些论据吗？ 有日全食吗 She likes fish of all the food.同义句 征文:热爱生命为主题的话怎么写 已知函数f(x)=2x^2-mx+6在区间[-2,正无穷大)上为增函数,则f（1）的取值范围是答案是f（1）>=16 won a silver medal 翻译 已知函数f(x)=cos^2x-2singxcosx-sin^x.(1)在给定的坐标系中,作出函数f(x)在区间[0,∏]上的图象已知函数f(x)=cos^2x-2singxcosx-sin^x.(1)在给定的坐标系中,作出函数f(x)在区间[0,∏]上的图象(2)求函数f(x)在区 Candy was a good runner.She won______medal.pat was a ___________________.She won____________.Alice___________.____________________ he won the silver medal though he had been in the first place for most the final round怎么翻译、、用英文 有难度啊.角α的顶点在原点,始边与x轴的正半轴重合,终边在函数y=2x（x≤0）的图像上.（1）求cosα和sin（π+α）的值.（2）能否求出角2kπ+α（k∈z）,-α,2π-α,π±α,π/2±α的sin值,cos值?若能,求出 求助：一中等难度的高一数学题已知函数f(x)=x(x+1)-1.若f(x)≥f(a)对一切x∈R恒成立,求a的值.（主要是要这题的详细过程） cpm意思,及其意义 定义在(-1,1)上的函数f(x)满足f(1/2)=1,且对x,y∈(-1,1)时,有f(x)-f(y)=f[(x-y)/(1-xy)](1)判断在(-1,1)上的奇偶性,并证明.(2)令x1=1/2,x(n+1)=2x/(1+xn2)求数列的通项公式(n+1为下标,xn2 2为平方 n为下标)(3)设Tn为数 分式的基本性质x^2-y^2/(x+y)^2=x-y/( ) 300 Yesterday morning I was walking in the street while I saw a car hit a little dog .The driver drove away,leaving a dog lying here.Because no one went to help him,Iran to him ,pick him up and was ready to taking him to the hospital.But a young man who cpm是什么意思? 一英语改错~救命的One day I was walking along a street while a stranger ____ stopped in the front of me and asked me the way to a new ____ restaurant.I had told him the route and direction patiently.___ As soon as I finished,the stranger thank 百度广告150元/CPM是什么意思 30元/cpm什么意思 the sun setting in ----west ,and I saw a bird flying ------ south用the 和 /填空 设a＞1,b＞1,且ab-(a+b)=1,那么 a+b的最值,ab的最值 设a＞1,b＞1且ab-(a+b)=1,那么ab的最值是什么? 求英语全文改错,高手们救命啊You can find all kinds information in just a few minu te on the Internet.It's like going to …余下的就不打了,时间原因,求高手们把全文的正确答案给我做一下啊,一共有十个改错 markers的中文意思到第是什么? come是什么意思 c-suite什么意思我等待回复! pc Creative Suite 人生 睿智 果敢 淡泊 either…or…和neither…nor…的区别?