中国统一的多民族国家

Tom _______ (hide) his shoes behind the tree.So they _________(not find) eaTom _______ (hide) his shoes behind the tree.So they _________(not find) easily. 为什么要维护平等团结的民族关系? Nor did he let the disease stop him from living the kind of life he has always dreamt about（疾病没有使他放弃过上梦想中的生活这句话是部分倒转,我懂的,可是为什么NOR 不用NOT .放在句首 hawking don it let the disease stop him from living the kind of life he had always dreamed of谁能翻译 Nor did he let the disease stop him from living the kind of life he had always dreamt of 啥意思 英语翻译这句话按正常语序该怎么说,nor应该放在哪里Nor did he let the disease stop him from living the kind of life he has always dreamt about Nor did he let the disease stop him from living the kind of这句话按正常语序该怎么说 nor放在哪里Nor did he let the disease stop him from living the kind of life he has always dreamt about 如图,四棱锥P-ABCD的底面ABCD是矩形,AB=2,BC=√2,且侧面PAB是正三角形,平面PAB⊥平面ABCD.（1）求证：PD⊥AC（2）在棱PA上是否存在一点E,使得二面角E-BD-A的大小为45°.若存在,试求AE/AP的值,若不存在 there和they有什么区别 ∠A和∠B的两边互相平行,∠A比∠B的三倍少20°,则∠A为多少 ∠A和∠B的两边分别平行,且∠A比∠B的3倍少20°,则∠B为多少度啊! there 与they的区别,什么时候用there ,什么时候用there 3单元所有知识点.还有 there和they是什么区别怎么用? .Old people who are poor have been poor all their lives.判断对错 先······再·······然后 造句 Peter took the second place in the 100-metre race.(对划线部分提问 the second划线）_________ _________ did Peter take in the 100-metre race? She finished the race in second place.她以第二名的成绩跑完了比赛.为什么不是the second? 94.You are competing in a race and overtake the runner in second place.What position are you in now?95.What is one thing that all the wise men,regardless of their religion and politics,agree is between heaven and earth? 谁能给我这道题的正确说法：The Second World War took place in _____A the 1940'sB 1940sC 1940'sD the1940这四个选项分别是什么意思,那几个是错的说错了,英语老师是说选B 英语 have,there,they,soccers 拼成一句话 已知函数f(x)=3x^2+a,g(x)=2ax+1.(x属于R)(1)证明:方程f(x)=g(x)恒有两个不相等的实数根.(2)若函数f(x)在(0,2)上无零点,试探究函数y=:|g(x)|在(0,2)上的单调性.(3)设F(x)=f(x)-g(x),若对任意的x属于(0,1),恒有-1 用"先.再.然后."造句 用先.再.然后造句快点. place,Jack,the,in,which,did,get,race(?)(连词成句） 关于“一元二次方程”的试题一 用分解因式法解下列方程：（1）：4（X－√2）²＝3（√2－X) (2):X²－X²－2＝0二 用适当方法解下列方程（3）：（3X＋2）²＝4(X－3）²（4）:2X&su 用先……再……然后……造句 已知f(x)=2/3x^3-2ax^2-3x (a属于R) 、求F(X)的单调区间 设∫f(x)dx=x^2e^2+c,则f(x)= 求关于一元二次方程的练习题或练习卷(急) 一元二次方程测试题 先 再 也 造句先从山顶往下打一口井,再分别向两头开凿.外面两端也同时施工,把工期缩短了一半.这是例句! 数学试卷九年级第三章一元二次方程答案,北师版