二年级作业太多怎么办

上海浦东新区的开发、为上海市的发展注入了强大活力、建设浦东新区是因为1 上海市人口出生率高 2 城市规模扩大的需要 3 经济发展的需要 4 解决上海市城市问题的需要A 123 B 234 C134 D124 Bag snatcher turns out to be policeman是什么意思 it turns out to be worth less than the otherit turns out to be worth less than the other uses to which the land could be put 怎么翻译 已知 f 为齐次方程 即 f(tx+ty)=t^nf(x,y) 证明：fx(tx+ty)=t^(n-1)fx(x,y)有谁可以解释一下 为什么 第二行的 第一个式子的 前一项会等于 tfx(tx, y>0有f(tx,ty)=t^(-2)f(x,y),求证（yf（x,y）,xf(x,y)）沿任意简单闭合曲线的积分为0没有学数分的人请不要碰 MATLAB 中which表示什么意思?求语法!（要中文的.） 一道求导的物理题——令f(x)=tx/(t+x)+a-x,求这个函数的导数令f(x)=tx/(t+x)+a-x,求这个函数的导数这个函数的物理原型是分压式滑动变阻器,在从最大阻值滑向最小阻值时滑动变阻器干路部分,和两 上海市浦东新区东方小学是几几年成立的?并告诉我原峨山路小学的人是不是都到哪里去了. 跪求“Carolyn Drive,Hoppers Crossing,Victoria,Australia .3029”地址翻译 英语翻译如题 EU gosto de você. 已知函数f(x)=-x^3/3+x^2/2+tx+1,在区间(-1,1)上是增函数,则t的取值范围为 Everybody knows the answer.(反意疑问句） 函数f(x)=-x^3+x^2+tx+t在(-1,1)上是增函数,则t的取值范围是什么和解答过程如题 everybody knows the answer.(反意问句）急 an application has made an attempt Everybody but Jane knows the answer.Everybody为何是主语?Everybody but also Jane ____ the answer.以上这句know用什么形式呢?这句还是Everybody为主语吗?作何翻译?上下两句有什么不同吗? Talvez o fato de eu realmente não sei você,me diga como saber mais sobre você? 怎么输入查看Create an Application的程序号 Você Realmente fala português?我该怎样回答巴西朋友给我的 BJD 塔林眼 英眼 德眼 ED眼的入手途径 以及一些列问题…如上 还有各自的优缺点（比如追光) 大小(虹膜） 还有请问所谓的火星网是指哪一个? They will be of great v alue to me.I hoep to hear from you soon.牛津英语9A Unit3的阅读翻译 bjd 玻璃眼珠可以用稀释清洁么?貌似粘到光油了,能用稀释擦一下吗 Bill told me that ____ live with his roommates again next year.A.he'd rather not b.he won't ratherC.he'll rather d.he'rather didn't everyone knows these things此句的反意疑问句是什么? Bob told that his next match was against ( ) team from another schoolA.a girls' B.the girls' C.girl's D.girls' i can give you the correct answers.改为一般疑问句 ________ _______ give _____the correct answers? nobody believe that he can fly 改反义疑问句,快同上 These fences are built out of ____soda cans.A.using B.used C.use 为什么?请赐教. 宝石山是休眠火山吗 the house built of _______was once used as a warehouse答案stone 为嘛不用stones 杭州的地形地貌 哪些由内力作用形成 哪些由外力作用形成