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以下全是改错.请简要说明理由.快.急.Look!The old man is walking through the street.The dog is swimimg across the river.Billy is playing the hopscotch with girls now.What happening?Sue's father is in the teacher's office. 在工作中如何去做6S 一只小虫子落在数轴的某点P^0,第一次从P^0向左跳1个单位到P^1,第二次从P^1向右跳2个单位长度到P^2,第三次从P^2向左跳3个单位长度到P^3,第四次从P^3向右跳4个单位到P^4,……,按以上规则跳了一百 郑人买履点明寓意的句子,帮下忙回答下吧 改错说明每个原因.My parents have decided to taking me to Britain 76.__________ 　　for a visit.I am excited,hoping to make good use this 77.__________ 　　opportunity.Firstly,I will talk to native speaker as much 78.__________ 　　as I 改错并说明原因1.He would demand an exorbitant price,for the goods he will sell,and through bargaining with the customer,a market price would eventually be settled.说明原因2.At the end of a rousing speech on government policies which she sa 初一数学题..求求你们帮帮我1.（解方程）甲、乙两人同时从相距4千米的两地出发,甲每小时走2千米,乙每小时走3千米,小狗随甲一起同想出发,每小时跑5千米（1）若甲、乙两人相向而行,经过 郑人买履点明主旨的句子是 那些单句改错怎么改,说明一下理由 1.若数轴上的点A和点B分别表示相反的2个数,A在B的左侧,且A.B2ian距离=7,那么A.B 2点分别为?2.若A-4的绝对值 B+3的绝对值 C+2的绝对值 相加=0 求A-B+C=?3.如果A得绝对值=-A 那么A大于0还是小于0?4.-13分 改错并说明理由Jugded from his appearance,he is more than 40. 求求了额已知一个梯形的上底为m ,下底为n 高为h 若上底减少为原来的一半 下底增加到原来的两倍.高增加2 梯形的面积增加多少 高冷是什么意思? 以下全是改错.请简要说明理由.There aren't very much flour on the floor now.Danny doesn't any cleaning at home.He's very lazy.Can you see a teacher hold a book at the door?How many bread do you want to eat?A slice.Please pass these knives 改错,有点多,请简要说明理由.1.What can you do?I can put on my coat.I can put on it too.2.Are there any boys ride bicycle in the street?3.Tom can run up the hill.Let he do it.4.What's she turning The lights.5.Billy can't touch his toes.but 6S英语怎么写 AB AABB的词语有哪些 AABB的叠词要三个 专心致志的近义词要两个 一个物体比另一个物体的价格高出一半是什么意思,是他的2倍,还是2分之3? 高出不胜寒什么意思 “若直线a//b,直线l垂直于a,则l垂直于b”,是对是错,为什么 格局已经是高出好多是什么意思? 体检时检查出左心室高电压, l是一条直线,α和B是不同的平面 如果A垂直B,l与A,B都相交,则l与A,B所成的角互余 为什么是错的 长方体ABCD-A1B1C1D1中AB=AA1=2,AD=1,E,F,G分别是DD1,AB,CC1的中点,求异面直线A1E与GF所成的角余弦值 在长方体ABCD-A1B1C1D1中,A1A=AB＝2,AD＝1,点E,F,G,是DD1,AB,CC1的中点,求A1E与GF所成角 16n^4-1 因式分解 因式分解;-49m方+16n方 有一个物体从静止开始沿直线运动,每过1s,速度均匀地增加2m/s.4s后,物体改为保持原有速度做匀速直线运动,又运动了4s.求出8s内物体经过的路程. 625m^4-16n^4 已知R1=10欧姆,R2=15欧姆当他们串联时通过R1和R2的电流比L1：L2=电压之比L1：L=电压之比U1：U2=?我怎么觉得不对啊 父利其然也 利的语法特点