中国第二大苏区

用配方法解方程 x²+6x+7=0 6x=7.5.解方程 英语选择 这个咋做,英语选择 The growth of part time and fiexble working patterns ,and of training and retraining schemes,____more women to take advantage of employment opportunities.A.allow B .have allowed C .allowing D.allows 这个英语选择如何做呀The narrow passage _ the big mountain for one mile.A.passes through B.lesds to C.leads on to D.reach 英语选择帮你一下 两道英语选择（）______trouble,I'm going to forget the whole affair.A.Then rather cause B.Rather causing C.Rather than cause D.Rahter than caused( )The brilliance of his satires was___make even his victims laugh.A.so as to B.such as to C.so th 英语选择两道 英语 英语选择. 两道应英语选择1.Don't worry.We will e-mail you as soon as we_______in Hong Kong.A.arrive B.arrives C.will arrive D.would2.Don't worry.l will be with you________your mother comes back from work.A.when B.until C.as soon as D.unless (x-2)(x-3)+2(x+6)(x-6)-3(x-4)^2其中x=2 3:4=6:(x-2) X是多少 x-1/3-x/6=4-x/2 （英语）选择 6：x=0.4：3/2 英语选择, 1.We need plenty of fresh fruit every day.改否定句2.I should drink a lot of water every day.改否定句3.Sue's diet is as healthy as her sister's diet.用陈述句表达相反意义4.Your diet is unhealthy than mine.保持句意不变 英语连词成句①Tom matter the what's with②matter is what the them with③the it into gote flies按要求写句子①My mother is going to (buy me a T-shirt)对括号里提问 一.根据中文写英文.1.十条金鱼________ 2.三箱牛奶________ 3.八只鹿________ 用以下单词及短语编一个故事,不少于50个单词.Sunday twins as...as taller than happy parkThe twins are in th parkLt is Sunday today.( ) 42x-0.6乘100=26.1 解方程 等腰三角形的周长为12,设腰为x,底边为y.如以x,y为边构成矩形的长与宽,求矩形·面积的取值范围.我的答案是：都知道要使矩形面积最大,只有长与宽相等,所以3x＝12x=4所以矩形面积取值范围是 函数y=根号下x²-1+根号下1-x²的值域为___ 什么是介词短语 它在句子中的做什么成份如题 介词在句子中当什么成分?介词短语呢? F(x)=2（x2）-3x (-1≤x≤2)F(x)=-（x2）+4x+8 (-4≤x≤4)F(x)=1/1-x（1-x)F(x)=更号下-(x2)+2x+8F(x)=2-更号下4x-(x2)F(x)=x+更号下2x-3 求函数f(x)=x平方-2ax+1,x大于等于0,小于等于2的值域. 要求：在短文的空格内填入适当的次,使其内容通顺,每空格限填一次,首字母已给.John was going to move into a new flat today.There was a very nice clock in his f___ house.John thought,"I,m not going to l___ the workers carry 已知函数ƒ﹙x﹚=2x²+ax+b／x²+1 的值域为[1,3],求 a、b的值. 英语固定词组搭配在句子中能够担当哪些成分?