小学信息技术课程标准

说明理由实验装置如图所示,蹄形磁铁置于水平桌面,当开关闭合时,以下分析正确的是A.导体ab在磁场中因受力而运动B.导体ab中有感应电流产生C如导体ab水平向左运动,电表指针发生偏转D如导体 谁能很科学的解释惯性的原因 I have already been to beijing 改为否定句如题.I ____ been to beijing ______. 请你把对事物、生活哲理的认识,或者对人生的感悟,用简短的几句话或一句话概括出来. 对还是错,请说明原因 判断对错,要说明原因Arctic fox(北极狐) is a kind of small fox that lives in the Arctic.It grows about 50 centimeters long,not including its tail,30 centimeters tall and weighs from 3 to 7 kilos.The Arctic foxes are white or blue in color.T 解释其它三个错的原因 判断对错 说明原因单位km/h比m/s大. We have _____ students this year than last year.A.many more B.much more但我们的练习题上有的答案为A，有的为B，况且选B也有道理呀，much修饰比较级more,many也可以修饰比较级么？ we have ___(little)rainfall this year than last year We have _____ rain this year than last year.We have _____ rain this year than last year.(much) 英语翻译“猜猜我是谁”用英语怎么说啊?对的话追再加10分 小苏打和生粉区别在哪 英语翻译Design and behaviour of a reinforced concrete high-rise tubebuilding with belt wallsMyoungsu Shin,Thomas H.-K.Kang,James M.LaFave and Jacob S.Grossman1 School of Urban and Environmental Engineering,Ulsan National Institute of Science and 英语翻译Structural engineers have long recognized the importance of member ductility,that is member rotation,in the design of reinforced concrete structures in order to redistribute moment and absorb energy due to dynamic,seismic,and blast loads. The last month of a year is____ ______is the eieventh month of a year用所给词的适当形式填空1 Mr.zhang has three sons.zhang Jun is his_____(three)son.2 June 8th is his_____(twenty) birthday.3 Thank you for _____(help) me4 Bob is the_____(tw D___ is the last month of a year. 填入单词 （ ）is the last month of the year. 疑题：December is the t_____month of the year and it's the last month of a year. what+is+the+first+month+of+the+year?and+which+is+the+last+one?咋回答? what school year did you last complete?怎么翻? what do you do on Sundays?怎么回答? What do you do on Sundays? what do you do on sundays? do you have any hobbies?what do you do in your free time?注意语法.一定要正确哦,不需要太难的.5句程度吧 你从你的爱好中学到了什么?what have you ___ ___ your hobbies what hobbies do you have 回答 we need some potatoes._____________对划线部分提问 There were (66) students in our class last year.对括号的内容填空 你有什么爱好的翻译是what are your hobbies而不是you have any hobbies它们两个意思不都一样吗? 英语翻译：我能猜到一二 我们怎么办,迷茫的一代、垮掉的一代?看电视上那些伟人,毛泽东、周恩来等等,年轻时候都那么有思想,有魄力,有朝气…二十出头就投身革命,走南闯北……而现实中的我们正值青春年华却觉得