烟台二中初中部择校费

有的食品中有个小袋里面有的装有还原铁粉 ,还原铁粉有什么作用 Whom is this summer camp 不好意思打错了so就不用答了 is this old castle()i visited last summer vacation?为什么不能填where This was the place ( )last summer holidays.答案中有where I visited和which I visited.我选的where I visited,但是答案给的是which I visited.为什么会用which呢? 聚氯乙烯PVC有毒吗,能用作生活给水管道吗 聚氯乙烯树脂粉末有毒么 竞争战略是只有波特提出的三种吗? m·波特《竞争战略》总共有多少页? he had at last been allowed to send a fax in which he informed the editor that he had beenarrested while counting the 1084 steps leading to the fifteen-foots wall which surrounded the president's palace.怎么理解in which I wondered if that last time he came by had been the last I'd ever see of him.翻译 He had at last been allowed to send a fax in which he informed the editor that.a fax 充当从句中的什么成分?定语还是状语?为什么?从逻辑上是in the fax是吧~ When I moved into the new house,I felt that the happy life I had been dreaming of( )at lastA.coming B.having come C.came D.would come该题正确答案应选C,请解释一下原因,说明其他几项为什么不对,谢谢 英语高手帮我翻译下这句话：let this be my last word that i trust in thy love:麻烦下…谢谢 把混有少量氧化铜的铁粉加入一定量的稀硫酸中微热,反应停止后过滤,滤纸上有＿＿＿＿,滤液为＿＿＿＿＿＿请讲清原因,谢谢． 在混有少量氧化铜的铁粉中加入一定量的稀硫酸,反应后铁粉有剩余,则溶液中一定含有 A.CuSO4b.CuSO4、FeSO4 c.FeSO4 DFe2(SO4)3 铁粉中混有少量氧化铜杂质,把此铁粉放在一定量稀硫酸中,充分反应后容器底部尚有铁粉剩余,则存在于溶液里的金属阳离子 （ ） A.肯定是Cu2＋和Fe2＋ B.肯定是Cu2＋,可能有Fe2＋ C.肯定是Fe2＋, (1)改造设计后的电话机大受欢迎 (2)电话机市场竞争日益激烈 (3)某厂效益明显好转 (4)调整电话机的生产策略A.1—4—2—3—5B.2—5—4—1—3C.2—4—3—5—1D.4—2—1—3—5(1)改造设计后的电话机 英语翻译Glider Skin like tightPale in whiteYou'll dress like this just onceSo turn aroundWave your handWe're frozen where we standSo cling to meAnd I will leadI will guide you this timeThe words you sayEcho in my headYou touched my skin now I gli 英语翻译Artist：Stacey Kent Song：So Romantic You always had a taste for those movies Like Casablanca and Song o' My Heart Where a complicated world Or the call of adventure Forces true lovers to part When the hero turns his back so stoically O PVC材料是否有毒?对皮肤是否有损害呢?我买了一个液体眼罩,冰眼罩,但味道很重不知能否戴呢? 下列物质可以用作的是食品抗氧化剂A炭粉 B铁粉 C氯化钙 D生石灰 下列物质能用作食品抗氧化剂的是A碳粉 B铁粉 C氯化钙 D生石灰 为什么呢？ 分子式为C9H12的芳香烃只有一个侧链且侧链上的一溴代物有两种,求该芳香烃的结构简式 pvc塑料有毒吗 公司战略的含义 战略管理到底是什么意思? 多样化战略定义只要概念百科没有标准概念啊 盐的战略意义是什么? 三峡水库的战略意义是什么?回答切中要害,全面,精彩的额外奖励呀军事方面的战略意义 Where did you go last summer?回答1.Where did you go last summer?______________________________2.Where will you go this summer?_______________________________3.wahat's your favourite food?______________________________ Where did you go last summer holiday? Where did you gou last summer?怎么回答