中环一号二期

No one knows about how many elements it is that_____most of the substances we meet in everyday life 英语语法：About how many elements _____ make up most of the substances we meet in everyday life?A.it is which B.what it is C.is it that D.it is that又强调句,又疑问句,强调句可以做定语从句?这里about只是个副词所以不管 But forms of address reveal many assumptions we make about members of our speech community请问如果要用英语把这句子改写一下,同样的意思,更明白一点, 不等式组3x大于m ①4x是大于m②的解集是什么 120斤算不算胖? 4.6克二氧化氮和四氧化二氮的混合气体含氮多少摩尔 4.6克二氧化氮和四氧化二氮混合气体含氮多少摩尔 We want some good musicians for our band.为什么用介词for, Deng Yaping was born ____ June second ,1973.A.in B.on C.at 1.She was born on the 2nd dof June ,1973(改为同意句） She was born ___ ___ ___ 1973She was born on the 2nd dof June ,1973(改为同意句）She was born ___ ___ ___ 1973根据汉语完成句子1.他终于成为著名的钢琴家He ___ a ___ ___ l was born on the 1st of june的同义句是什么啊,哪位大哥大姐帮帮小弟啦英语习题不会. 一道关于集合问题的数学题.某校决定从该校一个人数为50的办理抽取学生去宣传知识.设学生编号为：1,2,3……50 组成集合A抽到学生的编号组成的集合S 是A的子集.规定：S中任意两元素之和都 数学题集合题 军训的心得体会.500字.初一的. 初一军训总结 500字 急求! When was your brother born?He was born____June 16th,1983.A,in B.at C.on D.for y=kx+1-k,这个式子化简.谢了麻烦大家快点啊。‘ 1997年6月30日这个日子对香港同胞的意义是什么 y=kx+1-k,这个式子怎么化简. y=kx+1-k,这个式子还能化简吗. (kx-2k+1)^2化简 请问“x=Int(Rnd)+3”怎么理解?“Int(Rnd)”是什么? Good musicians ____ (want) for our rock band.如何填? 已知x1,x2是方程x²+4[kx+(1-4k)]²=4的两根,求(x1-x2)² DengYaPing was born ____the 2nd of June,1973. Deng Yaping was born（ ）the 2nd（ ）june,1973.括号里填什么?in；in on；on in；on on；of 已知x1,x2是关于x的方程x²-kx+1/4k(k+4)=0的两个实数根,k取什么值时,(x1-2)(x2-2）=9*1/4 deng yaping was born _____the 2nd of june,1973 1.in 2.at 3.on 4.to 已知抛物线y=ax²与直线y=kx+b交于(x1,9/2)和(x2,2),其中x1、x2(x1>x2)是方程x²-x-6=0的两根,求抛物线及一次函数的解析式,并画出草图. She was born on the 2nd dof June ,1973(改为同意句） She was born ___ ___ ___ 1973She was born on the 2nd dof June ,1973(改为同意句）She was born ___ ___ ___ 1973根据汉语完成句子1.他终于成为著名的钢琴家He ___ a ___ ___ a 请问VB中Int(Rnd)是什么意思如题,范围是? double num[] = {10.1,11.2,12.3,13.4,14.5};小数点后面就一位, 为什么要设置成double型的啊