100千克的东西有哪些

集合a={1,2,3,4},问a上可以定义多少个反对称关系 生日集福多少是什么意思 Do you want to join in the hiking this sunday?If so it will be useful to read the i______ below.短文填空 Novels are read for fun,so you want to read on without looking up all words in a dictionary这里的 read on 怎么理解呢? But besides that,the vast American territory offers numerous tourist attractions, 最后是tourist attractions hainan pronises to be one of the greatert tourist attractions A和B是两个集合,差集?是A内的元素减去B内的元素剩下的么? “只要构成两个集合的元素是一样的”, If you want to buy books,you go to the b_______ pig的意思是什么 How many of us have looked up at the stars and wondered about other worlds?How many of us abohave looked up at the stars and wondered ut other worlds?Of course,we know a great deal about the universe now but for people living thousands of years ago,t 帮忙翻一下Have you ever wondered if coffee was more than “just a drink”? Have you ever wondered what coffee has in common with life itself? What exactly do you do when you make a cup of coffee? Take one cup. Put in a spoonful of sweetness. P have you ever cared about me? 尤其.开拓.决断得反义词 热忱 开拓 吝惜 (反义词) 英语根据汉语意思完成句子 请尽量完成这项工作.Please try （ ） （ ） this work today句型转换Please look after your suitcase well.（改为同意句）Please （ ） good （ ） （ ） your suitcase出示给某人看的英 Please remember 什么 your homework this afternoon 英语翻译如题 英语翻译：我曾经看到过一次流星,许了一个愿望,但是没效果 扩展的近反义词 两个集合相等应满足的条件是什么? 两个集合相等?那他们不就是同一个集合嘛!为什么要说是两个? 两个集合相等,指的是······两个集合相等,指的是－－－－－－－－与集合中元素顺序无关记作A=B.这个填空题不太了解请学姐学长们讲一讲! 如果两个集合相等,那么………………那么其中一个是不是另一个集合的子集?别骂我, There is_____ “t” and______ “s” in _____word “thanks”. 一道听力选择题,有原文.请问答案在原文哪里看出来的?A six-year-old boy has been found alive after spending four days and five nights in an icebox that was buried under tons of ruins in Thursday`s big earthquake.The boy Tom was fou 求英语微电影剧本（5-10分钟）,不管是否采纳,感激不尽! She has seen this film twice对twice提问怎么提 W:You can find someone to share the rent if it is too high.M:After all the problems I had with my roommate last year?Q:What does the man imply about having a roommate?a He prefers living alone.b He has never had any roommate before.c He can't share t She has heard of the new film and she has seen it as well.同义句___ ___ ___she heard of the new film,____ she has seen it.If you get a good knowledge of the background,you can enjoy the poem better .同义句A good knowledge of the background can 英语10分钟后立马好评