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百分数与分数的联系和区别 谁有传媒英语翻译的书或者课件,笔记啊.我很有用, 老鹰对我们人类有什么帮助? 春天人类行为有什么变化 从1:00到3:00,分针旋转了多少度? 老鹰是什么样子 买株还珠株的意思 从1:00到1:15分针转动的角度为（ ）度 买株还珠的寓意谁能告诉我买株还珠表达的是什么? He made no r——to my question .So I explained my question to him again He has not yet replied to my question. he emailed me in ___to my question whether i could go to study in his university .which is wrong a.answer b.respond c.response d.reply 想知道如何去选的? 注水的牛肉怎么去水 无注水的牛肉为什么有水 无注水的牛肉出先比较多水,是怎么回事 新鲜无注水的牛肉出现比较多水是怎么回事 第2. 函数f(2x-3)=4x^2-14x+13 求f(x)的表达式,并证明f(x)的单调性 买牍还珠寓意急! 第二题 可以的话带过程 第（2）.（3）题 已知函数f(x)=2/x,x∈[1,3],用函数单调性的定义证明,函数y=f(x)是单调减函数,并求其最大值 连锁互换请写出各项的判断依据和理由, 【单项选择】They got the first prize and all of them（）it happily.A.picked B.celebrated C.danced【单项选择】They got the first prize and all of them（）it happily.A.picked B.celebrated C.danced D.pretendedThe new machine is very spec 过零丁洋首联颈联尾联写了什么 rezaproduce什么意思,怎么词典都查不到,在新版新概念四介绍第一行we are grateful to the following for permission to rezaproduce copyright material 新概念英语第三册用什么英英词典上到了第三册,想选一本适合的英英词典,望推荐,要具体的书名 We shall seek no terms and we shall tolerate no parley 应作何理解? should we invest more on applied science or basic science why?pleas write an essaywhich is more important?applied science or basic science?why?ps must list out the reasons and give exampleswhy?the only reason i can provide is that this is not homewor 已知函数f(x)={x+a,x≤1;x^2-2x,x≥1} (1)求a的值 (2)f(f(2))的值 （3）若f(m)=3,求m的值 心量是什么 关于勾股定理.听课也没听懂!