美国反舰导弹发展史

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求关于圆的参数方程的一些例题 关于圆的参数方程的题x的平方+y的平方=4,求2x+y.用圆的参数方程怎么求?我们老师说,代入后用尤拉公式算,尤拉公式是什么,怎么用尤拉公式算下去? i really appreciate you/your offering to help me...用you还是your啊?还是都可以? 32.I really appreciate _____ to help meA.your offering B.that you offered C.you to offer D.you offered选什么 There is a widespread concern over the issue that 英语翻译Nowadays,"the flower in the green house" has become a matter of great concern for the general public in our society.请问怎么翻译? in recent years there has been a growing concern among the general public over the issue of.把介词over提前 怎么改 是这样改的吗 in recent years a growing concern over.has been from the general public. (1/2根号5)3×根号5×根号(2-根号5)2(计算,后2和3为平,立方) 2道不难却有争议的语文题(文言文).哦不、忘写.1.“温故”与“知新”是不是两件并列的事情?该如何理解?2.“先帝不以臣卑鄙”中的“以”到底是因为,还是认为?好吧、第一题.答案上面说 tim has been in australia for six mouth.his brother hasn't seen him _january.1for2since3from4by为什么 英语翻译我不明白的就是前面一段“Left,until now,to odd,low-level IT staff to put right”是什吗意思为什吗啊? tim has been in australia for six months .his brother hasn"t seen him __january.(for/since/from /by)翻译选择哪一个?为什么? Tim has been in Australia.His brother hasn't seen him( ) January.A.for/B.since/C.from/D.by选哪个?麻烦请详细讲解每个选项的意思 Both you and she( )there ,have you? A has been B hasn't been C have been D haven't been 6道物理题,快教我1.太阳光与地面成40度,要是阳光竖直向上反射,平面镜应与地面成………( )A.65度 B.50度 C.40度 D.25度2.某人从镜中看到自己身后墙上电子钟的示数为8:15,则此时实际时间为 航海英语听力与会话 三副航海英语评估听力与会话 光盘密码第三版 航海英语评估听力与会话 C语言八进制十六进制真值问题01234,0123456,0x1234,0x8008的正负情况怎么判断? There is growing concern about the effects of pollution on health.翻译一哈 1 一支蜡烛位于凸透镜钱,调节好透镜和光屏的位置后,在光屏上呈现缩小,倒立的像;若保持凸镜位置不动,将蜡烛和光屏的位置对调一下,则在光屏上( )A 无法成像 B 呈现放大 正立的像 C 呈 There's growing concern about the safety of the people living in Japan.这句话中concern做什么成分?为什么不要改变形式?这句话的翻译是? concern about;concern with;concern over的用法有什么不同?一般分别是在什么情况下用哪个?不同情况下怎么用 There is a widespread concern over the issue that (作文题目)But it is well known that the opinion concerning this hot topic varies from person to person.这个作文句型里两个concern我想把第一个改成awareness可以吗 还可以改 急求数学高手高中立体几何证明题,第二题 c语言中,i=010,j=0x10,这种数是什么意思? 第六题的(2),第七题的③怎么写,③要算式 谁有航海英语听力与会话第三版的MP3版,给我发到邮箱里,我的光驱坏了,cfj678@sohu.com in recent years a growing concern over.has been from the general public.这句话写的对不对“. 在括号内填上合适的词(二年级)一( )树枝 一( )大雾雾蒙蒙的( ) ( )的话音热腾腾的( ) ( )的气味浓浓的( ) ( )的时刻 小学二年级在括号里填上合适的词语 在括号内填上合适的词天空中的云儿又( )又( ),像棉花朵朵.我会填(凶狠)的狼 ( )的狗 ( )的猫 ( )的小兔 第3还有第5.只要答案第2题的第(1)小题,要算式,