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人体含量最多的矿物质是什么 为什么石碳酸比碳酸酸性弱,石碳酸根结合质子能力却比碳酸根弱不是说结合质子能力强的酸根对应酸的酸性弱吗谢谢 离子结合请质子能力怎么比较? Your parents will teach you that liars will suffer这是个宾语从句么,you ,that 双宾语,对么 I paid him a short visit yesterday.英文真是奇怪!明明说我昨天去看了他,偏偏还用个paid!,它是不是pay的过去式啊?pay明明是和钱有关系的呀,为什么要说i paid him.,真接说 i visited him yesterday不就行了吗? yesterday I paid him a visit这里 用CALL 怎么替换啊 This summer,I paid a visit in my hometown.What made 1.( ) me really sad was that it had it had c...This summer,I paid a visit in my hometown.What made 1.( ) me really sad was that it had it had changed a lot of.2.( )In the past.my hometown was very b 1.He told us light (travelled) faster than sound when we (paid a visit to )him. 哪位物流界的师傅帮我把下面的中文翻译成英语?此票货物现已开船,客户想更改分单的毛重和体积,请帮忙核实如在不改船公司主单的情况下更改分单,是否可行并且货物在到达目的港时是否会 一个实心正方体体积为1.2×10-⒊m⒊,重10N,用细绳吊着侵入盛水的容器中,有1/3的体积露出水面,此时容器中水面高度为30cm（2）水对容器底部的压强 的答案是P=ρ水gh=1.0×10的三次方千克/立方米×1 matlab里面的“subplot”和“ezplot”,“grid 一实心正方体的体积为1.2×10-3m3,重10N,用细绳吊着浸入盛水容器中,有三分之一的体积露出水面此时容器中水面的高度为30厘米,取g=10N/kg,若绳子被剪断了,物体是什么状态? matlab画y=lgx 为什么不对呢?x=logspace(0,10); y=log(x); loglog(x,y) grid on比如log10^2并不等于2 一实心正方体块,体积1.6×10-3m3,重15N,用细绳吊着放入盛水的容器中,有4分之1的体积露出水面,高是30cm求（1）物体受到的浮力（2）水对容器底部的压强.（3）绳子的压力（g取10N/kg） matlab图像中如何添横虚线（如下图）,不要grid on网格 矿物质含量多少最好? 矿泉水矿物质含量是多少 Obama had a four day visit to China i_____ 2009 首字母填空 将He who a four -day visit to china last week翻译为汉语 Linton is interested in Chinese history and this is his _ (four) visit to Beijing. supply chain management有哪些管理职位 将一边是10厘米的实心立方体木块轻轻放入盛满水的大烧杯内.待木块静止时,从杯中溢出800克水（1）木块受到的浮力（2）木块的密度（3）木块下表面受到的压强（g=10牛每千克） 将一边是10厘米的实心立方体木块轻轻放入盛满水的大烧杯内.待木块静止时,从杯中溢出600克水,求木块下表面受到水的压强 President Bush _____an speech in Tsinghua University recently.a:discovered b:located c:resource d:delivered请写明理由,谢谢! 英语改错.1Mr Wang teaches their Chinese this term 2The Blacks is going to London next month 手表自动上链与手动上链的原理.哪个更好些? 浪琴机械手表手动上链的问题新买的表,全自动上链,表冠是把进把出的那种,我也是手痒对着表冠顺时针拧了1圈逆时针拧了一圈,我听朋友说顺时针是手动上链是可以的,那逆时针是要把表转坏 曹操在历史上是哪个时期的人物?A 三国 B 西汉 C 东汉 D 北宋 这是单选还是多选? 东汉分三国时西汉在干什么 北欧家电半导体电子酒柜有哪些功能? 北欧电器半导体电子酒柜有哪些功能? 购买电子酒柜需要注意什么,电子酒柜设计与制作哪个品牌不错?