四年级简便算法300道

People can't live without water ,so we should save___（每一滴水）As we all know ,waste water and gas____（对.有不良影响）the environmentA pair of pandas ___（赠送）to Australia months ago...无论你遇到什么困难都要充满自 any other way歌词及翻译后街 就后街男孩的any other way的中英文歌词 求后街男孩any other way 伴奏 用下面十个短语造句give bak go in forgive in go bygive out go outgive up doing go off go across grow up 翻译:when does the library open? 下面这些短语怎么造句?have classes have fun with have to hear from hear of help oneself to help.out great! ls this the library?是什么意思我有急事,快! She is ahead of all other girls in new class in English什么意思 what five -letter word becomes shorter when you add two letters to it? 谁能给我提供一张简单一点的调频收音机电路图?越简单越好,840819660@.QQ.com When the stars go blue的原唱是谁?都谁唱过?the Corrs版的是和谁唱的? When the stars go blue不仅代表蓝色还代表什么? 求when I feeling blue这首歌的歌词翻译 When the Stars Go Blue 吉他谱 When The Stars Go Blue 歌词 The boss commanded that____ _____ ____ ____(他的人不能离开)their office before dark He commanded that all the gates (shut). ___the windows before you leave the classroom.A.To close B.Closing C.close D.Closed she begin to learn ballet at six (写出同义表达方式）she begin to learn ballet （ ） （ ） （ ） （ ） six. he is not the man that he was before中的that是什么用法 She began to learn to sing .(同义句改写)She () () learn to sing. What word becomes shorter if you add(加) two letters to is?猜谜 because与so为什么不能同时出现 有什么区别 那因为所以用英语怎样说 therefore和because和so的区别 一个简易的对讲机,电路原理和电路是怎么样的, 对讲机电路原理 一道简单的电路原理问题,高手帮我看看 一道简单的电路原理问题此题要你求各个元件的实际功率（即使判断发出还是吸收）,电压源和电阻的实际功率我求了出来,但是求电流源的实际功率,不是需要判断电流源的电流方向和它的电 She began to work in the factory in 2000.改为同义句.She _____ _____ in the factory _____ 2000 To hold the show successfully,she began to _______2 months ago.A.work on it B.work it on she began to do the work yesterday morning and_____finish it____an hour ago他昨天上午开始做那项工作,直到一个小时前才做完