天鹅作文

怎样在高中把英语成绩从80多分提高到120多分?（紧急求助）如题 谢谢了 GNU是什么 关于化学物质检验的题目.将某气体通入品红溶液中,品红溶液褪色,该气体一定为so2吗? make distclean make smdk2440a con-fig 提示this program built for x86_64-pc-linux-gnu怎麼解决,为什么会出现这个 59.10he jumped for joy___he heard the good newsa.whileb.the momentc.at the momentd.the moment when 单核阴离子的核外电子排布与同一周期的稀有气体原子的电子层排布相同这句话一定是对的吗?有没有可能是非金属元素得到电子,但是最外层仍然没有饱和?若有,举了例子呗. 59.3he told me that the meeting__the next daya.was to be heldb.being heldc.having been heldd.to hold 59.6they are used____their babies after supper every day,and this specially-made soap is used___babiesa.to wash,wo washb.to washing,to washingc.towash,to washingd.to washing,to wash 凡单原子形成的离子,一定与稀有气体元素原子的电子层结构相同.这句话对吗?如果不对,为什么不对? 59.5it is said that the____yesterday_____100.000_____the banka.thief caught.stole.fromb.thief caught...robbed...ofc.robber was caught.was robbed...fromd.robber was caught...robbed...of 59.12_____the letter,a smile came to her facea.having readb.after readingc.readingd.while she was reading 初中的英语、化学题（共2道）一、I'm playing,the others are reading books.others的这种句子中指的第一部分事物可以用单数吗,就像该句中的 I ）二、物理性质扩散性、吸附性是什么意思? 求原矿高岭土价格,水洗高岭土价格.福建漳州原矿高岭土含量：二氧化硅76.87三氧化铝14.46氧化镁0.08氧化钙0.04三氧化二铁0.36二氧化钛0.07氧化钾4.61氧化钠0.56烧失量2.65；水洗高岭土：二氧化硅 怎么去除Na2CO3中的NaOH?应该是除去NaOH中的Na2Co3。怎么除？ 怎么去除naoh中的na2co3 怎样去除Na2CO3中的(NaOH) 44.8____the stadium will be built will be discussed tomorrowa.if b.that c.where d.what 44.7he paid the boy 10 for cleaning the windows,most of___hadn't been cleaned for at least a yeara.theseb.thosec.whichd.them 44.5kenya is seeking a global ban___trade in the body parts of lions,which hunters take as trophiesa.for b.onc.aboutd.in 英语问题（3）请告诉我为什么?------i know you practice soccer on sunday.do you practice on_______?------yes,i practice everyday.A,others day B,other days C,other day 44.1___people who are ready to help others will get help from____others when they are in troublea.the ...theb.the .../c./.../d.those.../ 英语基础很好,如何再提高英语成绩?现在高二了,英语才110. 我高二下了,英语基础不错,怎样才能快速提高?我初中英语底子不错,中考147.但高一着重在数理化,英语就没怎么弄,结果掉了好多.因为听说到高三英语再抓就来不及了,所以从高二开始就猛抓英 1.natural condensation polymers include__________,___________andnatural condensation polyesters include_____________.2.synthetic condensation polymers are_____________and____________. NaOH里有Na2CO3怎么除1.CaOH2如果过量了怎么除 2.肉眼很难辨别啊 3.我说适量氢氧化钙后加热抽虑一下好了，大家什么意见 氢离子、次氯酸根、氯离子发生氧化还原反应吗?方程式怎么写?如标题 洗衣粉怕那些有机物? 市面上有哪些是低有机物的洗衣粉洗洁精?市场上不是有很多无磷洗衣粉吗?无磷应该是不含磷吧 化学中物质的种类是怎么分的 水洗高岭土铝35.59,铁1.01,硅49.82.白度78.这样的高岭土价格能卖多少?附上成分化验单 高品质-水洗高岭土-有行家在吗,这样的品质现在市场能值什么价格,销去那里合适? 优酸乳是碱性还是酸性