初一科学小状元第十页作业题

为什么运动场跑道人们都是逆时针跑? 为什么操场跑道逆时针 一个电阻值为10欧的电阻,流过的电流为1A,在10S内流过电阻的电子数有多少? 请问谁有氧气、乙炔安全操作规程和安全管理制度范本,急用, 参差[cen ci]这是个联绵词,请积累一些给我 有一箱土豆,连箱共重19.8千克,拿出一半后连箱重10.2千克,问 土豆重多少千克?箱子重多少千有一箱土豆,连箱共重19.8千克,拿出一半后连箱重10.2千克,问 土豆重多少千克?箱子重多少千克? 有一箱土豆,连箱共重19.8千克,拿出一半后连箱重10.2千克,土豆重多少千克?连箱子重多少千克? 字同异音【不同音】的成语,像{差【cha】强人意,参差【ci】不齐,这样的 哪种蔬菜便宜些?土豆:1.2千克 4.5元 洋葱:0.8千克 2.8元 (要有过哪种蔬菜便宜些?土豆:1.2千克4.5元洋葱:0.8千克2.8元(要有过程)(>^ω^ 菜市场土豆每千克3.6元.(1)妈妈有10元钱,买3千克土豆够吗? 一个正方体木料削成最大的圆锥,圆锥的体积占正方体的 （ ） （ ） . --Mr.Li,I found a watch on the playground.--You should try to find out ________.--Mr.Li,I found a watch on the playground.--You should try to find out ________.A.whose is the watch B.who is the owner of the watch所给答案是B.答案A为什么不 --Mr.Li,I found a watch on the playground.--You should try to find out ________.A.whose is the watch B.who is the owner of the watch C.whom does the watch belong to所给答案是B.为什么是B呢? 选择填空 ()1.--- Mr .Li ,found a watch on the playground .---- You should try to find out选择填空 ()1.--- Mr .Li ,found a watch on the playground .---- You should try to find out（ ）A.whose is the watchB.who is the owner of the watchC.whom --Mr.Li,I found a wa tch on the playground --you should try to find out ____ 选哪一个啊A.Whose is the watchB.Who is the owner of the watchC.Whom does the watch belong to选哪一个，为什么？ Your watch was found by someone on the Playground.初三英语改写句子将下列句子改为主动语态.______ _____ _____ _____on the Playground. Non è vero che sognare non costa nulla...ci costa la delusione del risveglihey,boys and girls!what's the meaning who can help me! Mi piace che si sappia che la gente non?So che ci sono persone MUSEBI泣KIMASU是什么意思 北半球的人的跑步方向是逆时针,南半球是顺时针吗?我忘了...这是关于什么的地球知识,请告之...感激不尽啊~ 在跑步时为什么要逆时针跑为什么不顺时针跑? They are the teacher这句话对不对?在网上翻译 他们是教师 这句话答案都是They are teachers.那么他们是教师这句话用They are the teacher对不对?我是一个英语自学者. lian ci cheng ju 选词填空.1.--ls there a board rubber on the teacher's desk? ----Yes,( ). A:it; is B:they areC:there is lian ci cheng ju 1.Chinese,for,lesson,lian ci cheng ju1.Chinese,for,lesson,it's,our,time.2.six,I,every,have,day,dinner,at.3.can,a,I,near,tree,the,tall,river,see. lian ci zu ju Put the words in the correct place in each sentence.例句：Astronauts have been to the moon.(already) Astronauts have already been to the moon. 1.They haven't been to Mars.(yet) 2.Many astronauts have visited the space station.(already) 3.The space Where are my pen and pencil?'' "______in your desk.'' put the words and expressions in the correct place in each sentencealready just three times1.A.Have you found your dog?B.Yes.I have found it in the garden.2.A.I have collected(搜集) about 100 monkey stamps for the competition.B.Great work.I haven't A:Where's your guitar?B:It's near the sofa and the desk.A:It isn't there now B:It ( )( )just now括号里填两个英语单词 put the words and expressions in the correct place in each sentence put the words and expressions in the correct place in each sentence是什么意思 甲、乙两个团队原有职员人数比为:5:3,从甲团队调50人来到乙团队的话,甲、乙两个团队的队员人数比为：5:7甲乙两队原来各多少人?