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CG1-30是半自动气割机,具体表示什么含义? 教师怎样做可以促进师生互动? of Tom's feet is bigger than the other."I can never find shoes for my feet," he says to his friend,Dave."Why don't you go to a shoemaker?" Dave says," A good one can make you right shoes." "Well,aren't they expensive?" Tom asks.　　"No," Dave says, It's difficult to find right shoes for his f_____. 判断正误...One of Jim’s feet was bigger than the other.”I can never find shoes for my feet,”One of Jim’s feet was bigger than the other.”I can never find shoes for my feet,”he said to his friend Dick.“Why don’t you go to a shoemak NOx标准1000ug/ml怎么样稀释到5ug/ml 国家机构如何贯彻尊重和保障人权原则 We all think that the book is very helpful to us.为什么是helpful 信鸽种鸽.种赛鸽.赛鸽怎么区分 哪有关于开学第一课团队的观后感?不少于一百字 测污水中总磷的实验,可以用千分之一的天平称量磷酸二氢钾配制磷标吗?这样的误差是多少? 求真相.右边的大鱼叫什么鱼? 在做从句练习的时候常常看到of whom和of them的选择题 而且还常常选择错 请问它们的区别是什么.越具体越好 Both of them 与 all of them要如何区分 已知等比数列｛an｝中,a1=2,a3=4,等差数列｛bn｝中,a1+a5=b2+b3,b2*b6=b3平方 （1）求数列{an}的通项公式；（2）求数列{bn}的前n项和Sn 8、在等比数列{an}中,an>0,a2a4+a3a5+a4a6=25,那么a3+a5的值是 50ug等于多少ml 50ug/ml如何稀释到0.025ug/ml 卖鱼,每种至少一条正好3600元 问可以买大鱼?大鱼 170元 小鱼 7 8元秋刀鱼 104元 青花鱼 130元 金属钠跟硫酸铜溶液发生如下反应：2Na+CuSO4+2H20=Na2SO4+Cu(OH)2↓+2H2↑,向74.24g硫酸铜溶液中加入2.76g,恰好完全反应（溶剂水有剩余）.计算：1.生成氢气和沉淀的量各多少克2.反应停止后,滤出沉淀 师生互动的句子 论文标题翻译：初中优秀英语教师课堂话语互动特征分析 生命观察：大鱼怎么吃小鱼?鱼知道疼痛吗? uniform的同类词 if you invade me,I will let you taste H-bomb,Japan. If you invade me,I will let you taste H-bombs,Japan.what do you think of this sentence?good or not? 八大鱼怎么做 在家河里怎样才能钓到大鱼呢钓到鲤鱼呢 大鱼干怎么吃?1m多的大鱼干不是咸的.有没有详细做法? 今天之内要,write an ending for the story and draw a picture（不用你们画画） 在一课中的倒数第4段,设想一下文中的老妇人的心里活动,要一两百字 请问谁知道这个虫子的学名