氢氧化亚铁受热分解的化学方程式

Joanne和Joyce这两个英文名含义是什么?哪个更好点? 翻译英文名字Joyce 这2句是不是一般现在时和现在进行时都可以用?这2句是不是一般现在时和现在进行时都可以使用?填空：1.Tom( ) Chinese in out university.a.is studing b.studies 我认为A和b都可以用2.The little boy（ ）himself 求2到999之间的同构数有多少个、只要答案! 求2到999之间同构数和 #includevoid main(){int i,square;for(i=2;i to,skating,fun,go,how,is,it 连词成句 sat的过去式和过去分词是什么 He made an effort to practise ______ every afternoon ______ winning a prize in the singingcompetition.A．to sing,in order to B．sing,so that C．singing,in the hope of D.sing,in hope of sit的过去式、现在分词、过去分词是什么? sit的过去式和去分词xieixe What do you eat for breakfast? 请问下.英语的过去式要怎么变英语的过去式要怎么变..了.如;get,为什么过去式是got.各位哥哥姐姐.说下怎么变, I have studied English at the Hilltop Language School for two years.划线部分at the Hilltop Language School 划线部分 Every effort should be ____ to develpo our economy and preserve our environment.A madeB done C takenD had We should make a c________ to improving our environment.速回 请让我分清楚SIT和SAT吧!真心分不清SIT和SAT!究竟区别在哪里呢?还有对应起来的话,韩国的又是叫什么呢?丑话说在最前面,有些人别自取其辱,单纯解释英文的真心只让我觉得没文化真心觉得有些 SIT 和SAT 的区别 i know that i have to improve my english是什么从句? I --------know that English is really useful A.get B.got to C.have got to D.have got I ____(tell) that I will have to leave my job.But I don't know what I have done wrong. have的现在分词 have的单三形式是什么?have的现代分词是什么? have的现在分词是什么? have现在分词是什么?having 华宇小学的长是120米,宽是50米,在平面图上用10厘米的线段表示校园的宽,该图的比例尺是【】,平面图上的长应画【】厘米?姐姐的年龄比王芳大六分之一,王芳比姐姐小两岁.王芳有【】岁,姐姐 Have,give的现在分词 某小学校园长是240米,宽是160米,在平面图上长是3分米,宽应是（ ）?A.1.6分米 B.2分米 C.2.4分米 某小学校园的长是160米,宽是100米.在平面图上用20厘米长的线段表示这个校园的宽,该图的比例尺是（）,该图上校园的长应是（）厘米. we had a __with our friends during the Spring Festival A.get together B.get-together friends,during,to,visit,we,like,Festival,the,Spring(连词成句) I'm feeling better,so I want to start(). A.taking lesson B.to take lesson C.taking lessons是不是选B I'm feeling better,so i've startrd taking lessons为什么不用taking lesson