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胶体可以写出化学式吗?不是说 胶体属于“混合物”吗?混合物 是写不出化学式的,那胶体写的出吗?并非 Fe(OH)2胶体 这类的,要单独的... 胶体的化学式是否可以分解成离子 t love me,i do not love 一汽大众新CC有什么变化?新CC主要是那些地方有变化啊?谁知道给科普下,谢谢了 imagine名词imagination可数吗? 关于想象的词语 loveiy and caring是什么意思 moisturising and caring.请高手来看看.. The dress looks differently---------others and it is beautiful. A.from B.to C.withfrom和to有什么区别？different的用法写一下，谢了 有different to的，教科书八下YAO MING里有的 。只不知道区别 城市半封闭河道水体生态恢复的主要技术要点是什么?有什么作用 中国地理中"三江”都代表什么?像什么三江平原、三江并流、三江口等等,最好多列一些,要有注释. ..网民节标志的主要内容和这个标志的寓意、、很急, 求翻译 Financial intermediaries include depository institutions(commercial banks,savings and loan associations,savings banks,and credit unions),which acquire the bulk of their funds by offering their liabilities to the public mostly in the form of Will computer technology cause financial intermediaries to become extinct?Point：Yes.Financial intermediaries benefit from access to information.As informaion becomes more accessible,individuals will have the information they need before investing o Explain the important functions of financial intermediaries in the economy. serve as effective intermediaries是什么意思? 求第一个是什么标志 碘和二氧化硫形成的溶液是什么 Long corridor是什么意思 "我自横刀向天笑"是什么意思?出自哪里? 我自横刀向天笑 啥意思? populated corridor 什么意思? 我自横刀向天笑.下句什么?出自? “我自横刀向天笑”下一句是啥、出自哪? I know there have trouble for you to do sth.这句话哪里错了?是把have改成has还是把trouble改成troubles还是在trouble前加a? 取正负的符号,怎么用数学符号表示?例如 取 a-b 的符号 cos（-3）的符号 短文改错It was when I was an university student that I did a lot traveling abroad.It was when I was an university student that I did a lot traveling abroad.One day ,encouraged by a professor who said,"Now is the time for you to travel around the 胶体的聚沉 土壤也是一种胶体,研究发现土壤胶体粒子主要是带负电荷的.化肥施入土壤后,往往是先被土壤胶体吸附固定下来再被作物吸收,水田里施肥用下例氮肥时,哪一种容易造成肥效的流 change the They__ thankful to have the opportunity to further their studies.A.would like to beB.ought to beC.would rather beD.had better be在各种语境下如何使用, 若施加一恒定电压（使粒子处在电场中）会作定向移动的粒子是（求解析）质子、电子、原子核为什么没有中子呢?我知道电子是会运动的,原子核,质子也会吗?