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5/3:5/4化成最简整数比是 3又1／4：2又2／5怎么化为最简整数比 初中英语中,什么时候使用过去完成时,什么时候使用过去式? 1.Not only_____good about helping other people,but _____to spend time doing what I love to do.A.I do feel ; I getB.do I feel ; get IC.do I feel ; I getD.I do feel ; get I请写出为什么,2.How about now?如何翻译?3.在问一个人怎么样的时 3/4：0.6,化成最简整数比5/4, 半年时间怎么样学初中英语 2.5;0.5化成最简整数比 初中英语的几点疑问,请您帮助回答,复习卷中有以下的题目还是不很清楚,以便下次不会再出现错误,1.There will be_______underground trains and_______pedicabs(三轮车)in Shanghai.A much.less B more.lessC more.fewer D 初中英语怎么读才能考及格 7小时15分=( )时 0时 15分减去7小时 在一组平行线上,共有K个点,连接这K个点能组成1309个三角形,请问K至少是多少? ：1.若两个三角形的两边和其中一边的高分别对应相等,试判定这两个三角形的第三边所对应的角间的关系（）A.不相等 B.相等 C.互补或者相等 D.互余2.若等腰三角形一腰上的高等于腰长的一半 补充题Gina isn't my sister .She's ( )friend.---That is my aunt.---What's( )name?This is Tony.( )is my brother.That（ ）Paul.（ ）is my brother.----Is this Jim?----No,it isn't（ ）Dave. One of my classmate_______Daniel and________ to clean the blackboard.A ask I B asks I C ack me D asks me这题特别不懂.请说明一下理由.用适当的介词填空.She swims ________ half an hour __________ the swimming pool ________her home. 一.写下列句子的同义句What's the weather like today?It rains cats and dogs.He is six feet in height.He was born twelve years old.There are many buses,cars,trucks and lorries. 初中英语阅读题~帮个忙啊~ 100分追加~The United States is full of cars.There are still some families whithout cars,but some families have two or even more.However,cars used for more than pleasure.They are a necessary part of life.Cars are 如果a个同学在2h内共搬了b块砖,则平均每人每小时搬多少块砖? 如果a个同学在b小时内搬砖100块,那么以同样的速度,x个同学搬100块砖需_____小时 急求水星、金星、火星、木星、土星、天王星、海王星和冥王星的公转速度和公转周期! 天王星外是海王星还是冥王星? 排列组合有34个人得奖.13个人得了化学奖 21个人得了物理奖 14个人得了生物奖,3个人同时得了三种奖,问.只得了一种奖的人有几个,只得了两种的人有几个 排列组合问题 6人围成一桌How many ways are there to seat six people around a circular table where seatings are considered to be the same if they can be obtained from each other by rotating the table 真心希望这次能和你一起走下去.英语怎么说 我现在的英语情况跟你以前的一样,真心希望你能教教我怎么去学 英语翻译Integration of the Native Landscape with DevelopmentEven the most developed landscapes,where every trace of nature seems to have been obliterated,are not self-contained.These areas should be redesigned to support some component of the nat 如果a个同学在b小时内共搬运块砖,那么c个同学以同样的速度搬运a块砖,需要多少小时?如果a个同学在b小时内共搬运c块砖,那么c个同学以同样的速度搬运a块砖,需要多少小时?麻烦讲明理由, 若a名同学b小时之内共搬运c块砖,那么c名同学以同样的速度搬运a块砖需多少小时? 如图,角ABC等于90°,AD平行BC,AB等于BC,E为AB中点,BD垂直EC于P点,连接ED,AC交于Q点,若BD等于9求DC的长度 如图三角形abc中,ab等于ac,点d是边bc的中点.过点a d分别作bc与ab的平行线,并交于点e,连接ec,ad.求证四边形adceshi矩形 求首英文歌曲女声~歌词高潮部分 女声唱的是YEAH YEAH YEAH后面那句里有YOU这个单词 接下来唱YEAH~ 长江三峡形成的主要外力作用是什么?A河流的溯源侵蚀 B河流的下蚀 C河流的侧蚀 D河流的溶蚀