三氯氰胺化学分子式

I have already no longer belonged to you,Sir什么意思 you belong no longer to me.哪位好心人帮忙翻译一下、我有急用、谢谢了、 the MMS you are trying to domnload is no longer available.突然之间发过来的,求啥意思.关键是我啥都没干啊。 I have a decision that I am no longer invisible visible to 求中文 关于时态 they knew her very well. they had seen her (grow) up from childhood 为什么是grow 而不是gre 二、 词汇与语法知识 19.They knew her very well .They had seen her __________ up from childhood .A.grow B.grew C.was growing D.to grow 他们知道她非常好.他们看她成长起来.A 我认为选D对吗?选什么?请写出你的见解,并 they fit me very well ?该一般疑问句--------- ------------ ------------ you very well? 问一道英语填空题 her dress ()her shoes,they look very well together.a,suit b ,fit,c,compare ,d,mat 在冬天泡沫箱可以保持食物温度吗?比如说烤红薯烤完后放在泡沫箱中保温,对食物没影响吧 正视图俯视图都是俩个一大一小俩个正方形套在一起的图形,求画出侧视图 They swim very well.They are good s____根据首字母填空 The new dictionaries are very useful.They ___well and ___already.The new dictionaries are very useful.They ___well and ___already.A:sell;have been sold out B:sold; had sold out C:sell;sell out D:are sold;have been sold out为什么不是B The ____on the hill are theirs .They feed ____very well.A.sheeps.theirs B.sheep.them C.sheeps.their B.sheep.they 首字母填空 Well,they f____ very well.How much are they?文章讲的是一个人去买一双足球鞋然后试穿了一下.这句的上下几句是 I am a size ten.I like this pair.Could I try them on?Yes,of course.Well,they f____ very well.How m 用所给词的适当形式填空 Well,___(they) rooms are very tidy 试卷上的题目,请配合! 一个简单空间几何体的三视图其正视图与侧视图都是边长为2的正三角形,其俯视图为正方形,其体积为 近日南方持续低温雨雪天气的原因是什么呢?与拉尼娜有关吗? 如图所示,一个简单的空间几何体的正视图和侧视图是边长为2a的正三角形,俯视图轮廓为正方形描述该几何体的特征,并求该几何体的体积和表面积 2008南方冰雪低温灾害与哪种天气系统有关 复印时纸上有修正液,那复印出来.想复印一份蛮重要的表格,但是上面已经被我写过字了,我想问下,我先把这份写过字的表格复印下,然后再把那张纸上的字用修正液涂掉,再复印,那复印出来,修 我要制作涂改液,有什么方法可使其涂于纸上后快速干燥,要无毒的!若有其他方法也可 这个世界为什么会有蚊子 如果蚊子消失了 会不会影响生态平衡? 蚊子会在什么时候消失 让蚊子永远消失的方法是什么蚊子太烦人了,不让人睡觉了,都消失掉算了啦! 蚊子到几月份会消失 蚊子这种生物为什么不在地球上消失? Nurses look after the sick people well in the hopsital.（保持原意） the nurse is very p____ with sick people 如图所示是一个几何体的直观图、正视图、俯视图、侧视图（其中正视图为直角梯形,俯视图为正方形,侧视图为直角三角形,尺寸如图所示）．（1）求四棱锥P-ABCD的体积；（2）证明：BD∥平面 急.已知几何体的正视图、侧视图与俯视图都是腰长为1的等腰直角三角形.则这个几何体的体积是多少?底面积的高怎么求出来的? 同一个几何体正视图,侧视图,俯视图在形状大小方面的关系是什么?