彻拼音怎么写的
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硫酸锡 (SnSO4) 与 硫酸铁 (Fe2(SO4)3) 发生反应生成什么,
Fe2(SO4)+NaI= ? 硫酸铁溶液和碘化钠溶液反应 生成什么?化学反应方程式如题如题!
距离地球第二近的恒星是?
离地球由近到远的恒星
键线式的交点是不是碳?如图,我做了题,题上说不算,为什么?
人体的运动功能是靠什么组织来完成的
AI中怎么以参考线交点为中心绘制图形?ALT键好像没用?
有一种动物生活在海洋里,体表光滑,没有前肢和后肢,胎生,用乳汁喂养下一代 这种动物属于什么类?(哺乳类)(爬行类) (鸟类) (两栖类) 哪一个?
修改一段英语主要是修改语法问题,要是有更合适的句子更好了.This time,I didn't feel upset when the reality strongly struck to me.I had already known these things will happen at last.Therefore I'm calm with no disappointment,and
能让KMnO4褪色的化学药品有哪些?麻烦尽量写全
修改一段英文,Alice is a pretty little girl.One day,she found a bottle of water which could make herself smaller in size.She drank it and became tiny.She saw so many things which she had never seen before in this place,talkable rabbits,strange r
虎眼石里面是什么
棘皮动物的主要特点
半索动物和棘皮动物的比较半索动物与棘皮动物关系密切,不是因为A.柱头幼虫和短腕幼虫的形态结构相似B.均为后口动物C.中胚层均由肠体腔法形成D.海胆和柱头虫肌肉中均含有肌酸和精氨酸E
关于棘皮动物,以下说法错误的是?A所有棘皮动物都生活在海里.B海星主要捕食软体动物,我们要把它切碎杀死.C海胆以海藻为食,遇到敌人会抛出内脏转移敌人视线,趁机逃跑.D海百合捕食棘皮动
棘皮动物具有哪些特征?
自己写的一段英语,求修改,要求实在.A 2-year-old girl,wangyue,was rolled over by car and got injuried.But none of the 18 people came to help her,who are supposed by the writer ,except a garbage collector
怎么清理Smart Cover?听说用屏幕清洁剂感觉焕然一新,不过没试过,不知可不可信.
Smart Cover 到底如何工作?
smart cover是就只有表面一层吗没有的话是怎么连接的呢侧面?
麻烦大家给我讲讲初三化学方程式怎么配平!
《雾霾常识知多少》阅读答案
雾霾常识知多少文章的第一段有什么作业用
126是什么?
修改一段英文i will share with you a wonderful travel. i went to Shenyang last year. the weather was good and filled with fresh air. the most of my favorite place was Jin Palace there. it was set up in 1625 and covers the area of 60,000 square m
求美国康涅狄格洲的英文介绍
用英文写美国的洲名和简写
美国的50个洲用英文怎样表示
结核菌素试验可以做试管吗
大前门126是什么意思
帮忙修改一段英文Today,i have said "bye" to the internet that i love most.i am inconsolable very much.i wonder how to say this spirit."inconsolable"is the name of a song,i learn it a moment ago.it must be the last one in short time.so many thi
小明议论老师讲课,我用师说里的哪句话来警告他