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由于被墨水污染,一道数学题仅见如下文字:“已知二次... 关于积累的成语多一点! 麻烦看下由于被墨水污染,一道数学题仅见如下文字:“已知二次...帮帮着急的人吧,本人先在此谢谢你们了只 Schooling,on the other hand ,is a specific,formalized process,___ general pattern varies little from one setting to the other.A whoseB in whichC of whichD where是选的A,我想问问为什么不能选B呢 已知二次函数y=二分之一X2+bx+c的图像经过点(c,2)..求证:这个二次函数的对称轴是x=3（..是被污染的文字） 1 根据已知信息,你是否能求出这个二次函数解析式?若能,若不能,请说明理由 2 请你根 像收拾收拾这样 的成语要3 4 个 关于整理一些成语我要10个成语,包括它的解释、来历、造句. 整理成语因需要现急需50个成语!和50个名人名言!内容、作家、意义均不限. 1Betty got many gifts from her friends ___d___ her fifteenth birthday.A.in B.at C.of D.on2 Let’s buy some cards for our teachers.— Why not make some ourselves?It will be much __b____.A.interesting B.more interesting C.most interesting D.the most 与清洁有关的成语四个字有海字最好 It isn't _____ his stupidity that annoys me ______ his rudeness.A.that,but B.so much,except C.so much,as D.that,as选C 完全不懂 谁告诉我描写城市清洁的成语啊?我急用描写城市清洁的成语20个,不用解释就可以,急用! A long line with a camera ______to it was put into the dolphin's stomach to find out where the plastic ball it ate was.A.attached B.attaching C.to attach D.having attached 初中语文易考易错的成语越多越好,苏教版的 易错成语请提供几个最易错的成语, 易错的成语易读错,写错,或者理解错误的,要有详细的解释 英语翻译 英语翻译 英语翻译 英语翻译 二次函数y=ax2+bx+c的图像的最高点坐标为（-1,-3）,则b-2c= 已知二次函数 y=ax2+bx+c b=2a+1/2c那么函数图像一定经过哪个定点 已知二次函数y ax2 bx c的图像经过A -1,-1b 0,2C 1,3 英语选择题13题1.it is often less expensive to buy goods _____a.in huge quantities b.a lot c.in quality d.ad most2.he rushed off,even _____ to take his overcoat.a.forgets b.forgetting c.forgotten d.having forgotten3.the Hubble telescope _____ in 二次函数．y=ax2+bx+c的图像如右图所示,则化简二次根式 的结果是 ( ) A．a+b B．-a-b C a-b+2cD．-a+b-2c 英语选择题13~25 请解释一下记忆诱导公式口诀“奇变偶不变,符号看象限” 二次函数y=ax2+bx=c中,b2=ac且x=0时,y=-4,则y最大=—4,为什么 关于英语的选择题（14）This house ,______ I live ,now needs a lot of repair work .A.whichB.thatC.in thatD.in which 二次函数y=ax2+bx+c的值永远恒为负值的条件为什么是a 英语翻译41道初2英语单项选择题求翻译和解析 、1、___B__ is better than to receive.A、To give B Give C、Have given 2、He wanted ___A___ an inventorA、to be B、being C、is3、I prefer___B___his new idea.A、tey out B、to try o 二次函数y=ax2+bx+c的值永远为负值的条件a 0,b2-4ac 0