英语在线作文

how many years has it been since we last saw each other?这里的 has it been 这个该怎样翻译啊 ..能解释更好了.... It has been many years since I enjoyed myself so much. 为什么不准用硝酸制氯气,氯化氢,二氧化硫,氢气等气体 there are so many problems remaining to be settled.这里的remain是系动词还是不及物动词如果remain是系动词, :In December 4th,I wish my dear mother,happy birthday,forever young and b with a lot of problems__ A.settled B.settling C.to settle D .being settled My dear friends, I wish you a happy birthday 中文是什么意思 请问一下哪位朋友知道可以导磁的软性的材料,类似于橡胶的可以导磁的材料,是材料是软的,不是磁性是软的. He`s had three accident since he`s been driving a car这里包含缩写体,请转换成完整体 Did you love me?only a I am ordinary guy,but I am the only one who can give you love～ you`re lucky.I have so many rules 的回答Like〔 l can`t〔 〕out with my friend〔 〕school. 不导磁性的材料是什么 he has worked as a report since 2000,根据since 2000提问? He has worked in this shool since 2 years ago.的同义句,三句. 在平面直角坐标系xOy中,过坐标原点的一条直线与函数f(x)=2/x的图像交于P,Q两点,则线段PQ长的最小值是 There is a wallet ( ) on the ground. A.lie B.lying C.lies D. lay 选哪个,原因是? 影响磁性复合材料磁特性的因素随便写点就行 影响绝缘材料性能的因素有哪些 磁场的穿透力是不可以阻隔的?那非导磁材料.磁场的穿透力是不可以阻隔的?那非导磁材料对磁场干了什么?例如磁铁下放个铝质一两毫米的薄片,再去吸引铁质的东西,吸引力大大降低.为什么? 导磁材料置于磁场中会产生损耗,这句话对吗? so much as /much as/as many as/as much as各是什么意思,该怎么用?回答各用法时最好举些易懂的例子帮助说明! 元素周期表中元素从左到右排列的规律是什么?谢啦 as many as 和 so many as 的区别是甚么?有没有so many as 这种用法?如果有,这两个分别怎么用? She won't so much as look at Davidnot so much as 怎么用?一般的as ..as句型,前一个as和主语间有实义动词的,而这里没有,应作为状语吗? as many as ;so many as ;as much as; so many as 的区别 如何去除水中的氯气不要生成对金属有腐蚀作用就行, no2为什么对金属和非金属材料有腐蚀作用?如题,请详细回答.不是强腐蚀性吗？强腐蚀性指该物质具有极易与周围介质发生化学反应 氯气会腐蚀玻璃吗? As far as I know,I can speak only English. Sorry babe,I can only speak English It is h---to know what they want instead.(2:4)