机械能守恒定律3种公式

请翻译 I don't see how I could have done any differently from what I have.并说明时态和翻译的思路 举出两个含“三”的词,其意义是表多数或少数的成语,俗语或典故 举出4个含“三”的成语,其含义也是表多数或少数的成语.俗语.典故等知者快回答 p开头A结尾的单词 sl开头的英文单词后面要5个字母 was it midnight -----you arrived home by taxi? A. that B. at which C. the time D. when 为什么不选AC was it midnight -----you arrived home by taxi? A. that B. at which C. the time D. when为什么不选B, was it midnight -----you arrived home by taxi?A.that B.at which C.the time D.when为什么不能选 it was midnight ____ he arrived when or that?还是两个都行? 1.Was it at ten last night _____ you arrived home?A.that B.which C.when D.where2.The old man is ____ thankful that he almost comes to tears.A.such B.so C.very D.as 3.I saw Mary _____ a green dress at the meeting.A.dressed B.put on C.wearing D. 英文句子 I could not have done this without you为什么要+have?和I could not done this without you有什分别? 和 ∴将一块正六边形硬纸片（图1）,做成一个底面仍为正六边形且高相等的无盖纸盒（侧面均垂直于底面,见图2）,需在每一个顶点处剪去一个四边形,例如图1中的四边形AGA/H,那么∠GA/H的大小 几何问题,有过程 请问：travel意为旅行时,是可数名词还是不可数名词?请各位帮我将journey、voyage、trip、tour、travel的用法（请说明是动词还是名词,是可数名词还是不可数名词,是及物动词还是不及物动词,以及 空间为题写作文空间为题 怎样在博客里写作文 写作文,来帮我.日记 以“我的精神空间”为话题写作文 初中英语完形填空：Yesterday I was very tired when I came home from work.I （）while my one-year-oldson was playing with his toy.For a while ,a loud lock at the door woke me up.它的标准答案是was asleep,但是我觉得应该是fell as Please don`t go out until the rain will stop.改错 高中和初中分别有多少个单词量? 1.她三岁时开始学弹钢琴.she()()to play the piano ()she was three years old.2.大多数孩子把业余时间花费在玩电脑游戏上.most children()their()time()computer games.3.吉姆于2000年6月12日出生在日本.Jim（）（）（ When she was three,she could play the 初中高中应记得单词 When the girl was six years old,she could play the paino.改为同义句_______the________ _________six,she was ________ ________play the piano. She couldn't play the piano three years ago. （同义句）如题 谢谢了 My parents are workers改为一般疑问句 My( )and( )are worker _of my parents are workers.填不定代词 帮我做这个几何题目.算出这个20.47的距离,答案我有了.用CAD画的,希望谁能给我算的过程. S← 1For I from 1 to 9 step 2S←S + IEnd forPrint S 判断下列每组单词括号部分的发音是否一致.1：wind(ow);yell(ow).2:h(ea)d;r(ea)d.3:(fl)oor;(fl)ag.4:gr(ap)es;(apPple.5:s(i)x;(i)ce-cream.6:(fr)uit;(fr)om.7:f(or)k;mirr(or).8:S(u)nday;(u)niversity.9:c(oa)t;b(oa)t.10:(O)k;b(o)x. _____ of my parents works in an office,they're both factory workers.