劳动力年龄

they ate some hamburgers 怎么用he做主语 on the open day 是用什么时态写?过去式还是将来时 Thank you ________ the photo ________ your family．谢谢了,A.of,for B.of,in C.for,of D.for,in the,for,photo,your,of,thank,family这几个单词怎么组成一句话? 配位键的计算铜离子与氨气会形成四氨合铜离子,一个氨气有一对故对电子,铜离子怎么来的那么多空轨道来容纳4个氨气的4对故对电子啊?我高二、郁闷着呢. Chemraw中 配位键画法在Chemraw中 络合反应的配位键怎么画啊?有会的,感激不尽!那在3D中怎么表示啊 形成配位键是否改变配体元素的化合价? You can find it in the library,and you can use it on the computer.what is it? You can use my computer if you are c____ with it the man in the white shirt这个句子的中文意思是什么? open day的中文意思是什么四年级英语作业本上open day要求英译中 I like to ----- ----- -----with my ---选词填空 picture take camera] The boy ( )募捐a lot of money.括号里填募捐的英文,急 a lot of hamburgers是什么意思 Jimmy ate _________at the welcome party A.a lot B.many C.a plenty D.a lot of 如何计算含碳量为0.0008%的工业纯铁几个晶胞固溶一个碳原子 怎样算两种含铁金属混合之后的含铁量?如甲种金属含铁75%,乙种65%,现在要这两种金属混合起来的百分比. open Mr wu will show off us how we can use the computer.的同意句是什么? I hope I will use the computer freely.(改为简单句)I hope the computer freely. Thanks for the photo your family.的同义句,中文意思是:为了感谢你给我看你的家庭照片.二楼那个不行.要这样的句型:____ ____ for____ ____ ____. He will use the computer later改为同意句 关于元素周期表中各元素的电子排布规律,回答67,28号元素的排列图,或写出电子层层个数快好第一个？说成如；2.8.18.... 火山是怎样爆发的 香港购物攻略2010|香港购物攻略香港购物攻略,香港购物攻略2010哪儿有 How many members are there ( )the team? How many members are there on the team?Eight this term.But there will be ten_____next term.I'm notquite sure.Aat all B.at last C.at least D.at once 词汇 how many m[ ]are there in your football team,there are 25. You are very handsome是什么意思?. How many football p____ are there in a team. She hopes to become a friend of whoever shares her interest．谁能帮我分析句子成分.特别a friend of whoever shares her interest.既然whoever shares her interest是宾语从句那么a friend呢?急. you are very handsome already