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一个铁球,质量为3.2kg,而体积为420cm³,试通过计算判断,这个铁球是否为空心的?若为空心的,其空心部分注满水,则此球的总质量又是多大?（铁密度取8*10³kg/m³） 用英语说：不要忘记做假期作业 英语作文[寒假生活中的一天] 英语作文 《寒假的一次旅游》根据下列问题的提示写一写你今年寒假的一次旅游1.whcrc did you go ? 2.who did you go with ?3.what did you see and do ? 4.where was the weather like?5.How long did you stay t 如何提高六级听力本人曾经参加过一次 因为听力不行没过 这次又要考了 可是觉得听力还是听不懂 感觉太快 意思难理解 我该怎么办啊 1.In the 8th century a ___ factory was set uo in the Middle East ,___ paper was sent all over Europe .A.paper-made ; fromB.paper-making; whichC.paper-made ; whichD.paper-making ; from which 我选的A.2.I followed the man into a ___ small restaurant ——Was the test difficult?——Not at all,we found _____A it very easy for doingB very easy to do itC it's very easy to doD it very easy to do itAfter many years of treatment,he still _____ in poor health.A seemsB isC remainsD continuesThe other 1.Everything he ( )away from him before he returned to his hometown.为什么选 had had been taken 2.Mr.Baker ()in his old clothes,while his wife ()a very beautiful skirt.A.dressed; was wearingB.was dressed; was having onC.was dressed; was wearingD. 你业余时间经常做什么?用英语怎么翻译?急用 1.How many of us ____,say,a meeting that is irrelevant to us would be interested in the discussion?(A)A.attending B.attended C.to attend D.attend2.The China Pavilion,____,"The Crown of the East",has a unique roof,is one of the most important.A.whose 两道初二的物理题（请提供详细过程!）请提供详细过程,非常感谢!1.一个机器,将其中的零件由原先的钢制改为铝制.则质量减少了104Kg.则这个机器（变成铝制后）质量为多少?【本题请务必提 怎样提高六级听力? 英语专八阅读的文章一般有些什么类型的?比如说是新闻、科技文、经济方面的文章、或者调查研究之类的文章还是什么的?明年就要考专八了,阅读感觉很恼火 请帮我改下英语专八作文On attending CET4 and CET6 repeatedlyWhen attending to college, there is an examination that every student has to takeinto consideration that a high mark represents a strong evidence for a goodcommand of English. As a 英语4级作文模板 专八作文模板?求一篇专八开头和结尾以及中间过渡词语的模板,还有专八一些经典的句子? 求英语高中写作模板!我要打印．．．所以希望能详细点．．整齐些．．． 英语观点对比型作文的模板,正规一点. 英语三级作文模板 凤凰男用英语怎么说 凤凰英语怎么说?圣斗士里叫菲尼克斯 六级听力太差了怎么练?刚刚公布了6月的六级成绩416分没过.听力94 阅读196 两者差距太大了听力到底要怎么练呀 六级听力我做的好差,怎么准备 现在世界人口达多少啊? “凤凰在灰烬中重生”用英语怎么说? 立体停车库废气计算 自动停车场控制控制要求：1、 停车场内车辆少于100辆,指示灯绿灯亮.2、 停车场车辆少于100辆时,如果有车,则左栏杆抬起,车进入停车 场后,左栏杆落下.3、 有车在右侧栏杆,则由栏杆抬起,车驶 四川大地震与我们对大自然的污染有关系吗? 这次大地震发生在四川什么地方? 英语翻译Every day___When she ___ home ___ ___,her mother ___ ___some cooking. 不等式组x＜a+3 ,x＞aa为常数 上面不等式组的整数解有A.两个B、2个或3个C、3个D、3个或4个 关于x的不等式x+21/3>3-x