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我是初三的、请问物理练习册买哪些好啊? 人类的行动速度在动物界里算快吗?如题,人类的平均速度是多少啊? the way后面可以用where做关系副词吗? 语法选择求助 这几个语法题怎么选 ( )the way,where is the cinema? 语法题怎么选 句式选择的依据 两车同时从相距180千米的两地相向而行.经过9/5小时相遇.甲车每小时行驶45千米,乙车每小时行驶多少千米 两车同时从相距180千米的两地相向而行,经过9/5小时相遇,甲车每小时行驶45千米,乙车每小时行驶多少千米?写过程,给采纳! 两车同时从相距180千米的两地相向而行.经过五分之九小时相遇.甲车每小时行驶45千米,乙车每小时行驶多少千米 两车同时从相距180千米的两地相像而行..经过5/9小时相遇.甲车每时行驶45千米,乙车没小时行驶多少千米 1道语法选择提13.The young actor _____ acting in a new film for nearly half a year.His parents are worried about his health and study.A.being abroad B.having been abroad C.was abroad D.to be abroad 语法选择, 王昭君嫁了几次 甲乙两车同时从AB两地相对开出,甲车每小时行45千米,乙车每小时行60千米.两车正好在距中点45千米处相遇,求A两车正好在距中点45千米处相遇,求AB两地相距多少千米? 我快没耐心了!My patience is beginning to _______ _______.求翻译! 如何做好语法选择 (4x -3x+6) · ½x 3x+290=4x=189 x=? Fishing is a hobby which calls for a great deal of patience,______I don't have这个空如果去掉逗号,填what可以吗 还是填that或which 求教,正项级数∑(n→∞)(1+n)/(1+n^2)为何是发散的? 第二个等号到第三个等号是为什么 选哪儿个?是什么语法点?12.All the newspaper reporters hurried to the airport,_______ that the pop star didn’t turn up at all.A.disappointing to find B.disappointed finding C.disappointing finding D.disappointed to find 求数项级数∑(n=1)(n-1)/(n!*2^n) 英语翻译run out has run 求无穷级数∑1/n!的和 the meter has run VC++ 里双等号==与单等号= 的区别和各自的意义是什么? 求(x-2xy-y^2)y'+y^2=0的通解 2.They all looked ( ) at the waiter and felt ( ).a.sad,sadb.sadly,sadlyc.sad,sadlyd.sadly,sad ..要仔细看Body lauguage is just as spoken words?Why?Because it has the ability to make your true intention___1___to other people.Below are some examples.The first one is eye contact.You could know ___2___a person is thinking or feelingthrough the