离子化合物的电子式

词组：“和……竞争” 是 in competition ＿＿＿ ( A:for B:with C:between D:among) 选哪一个? where do you go和go和where are you going分别 我的伯父鲁迅先生是一篇写()的文章 We Didn't Want You To Know 如题1 I want to know why didn't he reture the kook to me(哪里错了) 冰心 成功的花的主要内容是什么 MY GOD,your english is getting so good now,are you translating it from the internet?然后顺便帮我写上我应该回什么? joe is the last person to leave the classroom,为什么要用to leave?Finding the answer to the quesFinding the answer to the question ,jack surfed the internet for an hour 我知道这是前面那个是状语,但不理解,请讲解,为么加ing形 冰心的作品集《繁星》.《春水》表现了哪三大主题 一些文化常识.关于冰心的《繁星》《春水》和冰心的三大主题~《繁星》,《春水》实际表现了_______、童真、_____三大主题,这三大主题构筑了冰心思想内核”_________“. Fire Coming Out Of The Monkey's Head 歌词 run run after 例句例句中文 run run after 与 run behind的区别 蜘蛛是什么科的?蜘蛛分类为蜘蛛科吗? 蜘蛛属于哪类 合轴分枝:这个概念怎么解释 the classroom building is on the left of office building这个对吗? 1.the lab is __ the dining hall and the office building .2.can you see that building?it is al__.you can borrow books there.3.he likes playing c __ games.4.his grandmother is n __ years old.5.there are some f __ in my garden.根据自意及首字母 运用什么可以使葡萄的卷须转化成花穗 run after与chase有区别吗 run after chase catch up with有什么区别? 把你（女孩）追回来,英语应该怎样说?求爱的"追求",用chase,pursue,court,go/run after哪个褒义正面些 chase和chase after有什么区别?RT 下列属于同源器官的是（） A 马铃薯和红薯 B 月季和仙人掌上的刺 C 莲藕和李莽 You don't know nothing 最珍贵的是什么? 英语翻译偶然看到的一句话,求个翻译,我翻译出来很别扭……谢谢 怀念是一种幸福作文 已知豌豆的高茎对矮茎是显性,欲知一株高茎豌豆的遗传因子组成,最简便的方法是 让它与另一株杂种高茎豌豆杂交 让它与另一株矮茎豌豆杂交 让它进行自花授粉 come on 和 come in 的区别及用法