f轨道电子云形状

副词 Dinner will be ready……Dinner will be ready ——but we have time for a drink.选项：A.recently B.presently C.lately D.frequently 我选C啊.再帮忙翻译一下整句句子, 我哪里错了 一质量M=4kg,长L=3m的木版,水平外力F=8N向右拉木版,木板以V.=2m/s的速度在地面上匀速运动.某一时刻将质量m=1kg铁块轻放在木版最右端.不计铁块与木版摩擦铁块视为质点.g=10m/s^2求铁快经过多长时 第三问为什么我的理解错如图所示,质量为mA=2kg的平板车A静止在水平地面上,车长d=5m．物块B静止在平板车左端,在物块B正前方某处．有一小球C,球C通过长l=0.32m的细绳与固定点O相连,球C恰好与 Dinner isn't teady yet._______ will it be ready?a.how soon b.how long c.how much d.how often 英语作文my atittude towards life希望高手来写一篇200单词大学水平 英语作文：my attitude towards time谁能教教怎么写啊! 英语作文《my attitude towards fortune》求高手写一篇英语作文,200字左右, tell me the truth forever or leave me 英语翻译1、白色风信子2、樱花草3、黑色蔷薇4、曼陀罗5、白色蒲公英6、罂粟花 Because having a healthy diet will help your body working just the way it should英语翻译 老师常常让我们在课上练习对话.The teacher ____ us ____ ____ the dialogue in class. Still Check Your Way,Keep believing in Working. 上课时学生们都听老师讲课.翻译：( ) the students ( ) ( ) the teacher in class. IS THIS tle library. 什么意思? This is a library.改错,应该怎样改证? LOOK!This is our library(英语解释） This is a Library.哪里错了并改正 Back in Ireland for a while.Back to China before too long.翻译 How about having a barbecue here的中文意思是什么 barbecue什么意思 barbecue什么意思,怎么读?怎么读,啥意思 barbecue We should give seats to_____ when we are on bus.A.old B.olds C.the old D.olderHe bought_____ presents with____ money.A.a few,a few B.a few,a littleC.a little,a few D.a little,a little The Attitude towards Life and Death谁写的 when you__(把t e e m组成合适的单词填入） an old man on the bus ,you should give yourseat to him. in which class is -______boy in white?-A the B .a C.an D./ In which class is (the) boy in white?为什么括号里用THE In which class is ( ) boy in white?A.the B.a C.an D./ 本题的意思是什么,有点没读懂?词组和考点有?in which 甲乙二人在长为四百米的圆形跑道上跑步已知甲每秒跑九米乙每秒钟跑七米.当两人同时同地背向而行时经过多少秒钟两人首次相遇? 一个标准跑道的全长是四百米弯道最内圈半径是36米每条跑道宽一点二米现有八个弯道,落进行四百米比赛第三道运动员的起跑线应比第一道运动员的 起跑线 应提前多少米小学六年级题急 Do you know the lady?She wears a red scarf around her neck .改为with短语速度谢谢