向量组等价于矩阵等价

christian是什么么意思 I cried every time when I saw the film 什么意思? 行会2文艺复兴怎么玩? 行会2文艺复兴怎么锁定年龄? 行会2文艺复兴工艺师如何开场就能拥有本城唯一的矿坑啊（非作弊） He's so lazy.That's ___ make him so poor.A whenB whereC whatD why ,为什么? they could l--- their children at the "kids' club " where the kids have many activities to do根据首字母填空 they could l--- their children at the "kids' club " where the kids have many activities to do根据首字母填空 He shook his head each time the waiter brought him something to drink.为什么不用WHEN为什么不用在each time后加When Don't laugh( ) others' mistake填上介词 1.Don't laugh _______ others.2.Look!Your cat is sleeping _______ your bed.3.He likes walking ______ when he thinks.4.Would you please heip me ______ my English?以上的空都填介词或者副词. my mother often leaves me for a long time on my own同义句 I like making others laugh.为什么用 laugh原形 有谁知道在哈姆莱特中主要人物的英文名字,像哈姆莱特 克劳狄斯 波洛捏斯 奥菲利娅 雷欧提斯 霍拉旭,这些人的名字最好有, 下列人物形象与哈姆雷特之间的关系,正确的是a 克劳蒂斯（叔侄）b 奥菲利亚 （母子）c 霍瑞旭 （兄弟）d 雷欧提斯 （朋友）正确的是！ Class 5______ the Arabic Pavilion yesterday,and this is their first ______ the rabic Pavilion.A visited; visit B visited; visit to C visited to ; visit D visited to; visit to选哪个?理由? 假如你是林颖,星期天上午你帮邻居照顾她两岁的小孩.请用英语写一篇日记来叙述这件事.原因：邻居有急事.想办法让小孩停止哭闹.感受：第一次照顾小孩,感到自豪.要求：1.可适当增加细节, You don't perform at the school concert b______ others might laugh at you.这句话的空白处应该填什么?原因是什么? outgoing的反义词只说最佳答案（1个） 有一次我在新疆巩乃斯草原,碰上夏日迅疾猛烈的暴雨.（要求调整语序换个说法） 有一次我碰上巩乃斯草原夏日迅疾猛烈的暴雨.那雨来势之快,可以使悠然在晴空盘旋的孤鹰来不及躲避而被击落,雨脚之猛,竟能把牧草覆盖的原野一瞬间打得烟尘滚滚.就在那场暴雨的豪打下, 为什么百度词典说“look smart”是“赶快”的意思? 英语连词成句grandmother is his young still They_(be)___(an,a,the)Green family(用所给单词的真确形式填空,并翻译全句） A:we are late.let us_____ _______ the park ______taxi.B:_______ _________?A:yes.B:OK.___ ____.每线填一词 用一段话描写你对草原的印象 I decided that I should do it 同义句 is suggested ,decided that/to do?问题是长了点,但是很浅白,麻烦耐心看完.我们知道it is decided,suggested that这类句型,但是(问题1）有没it is suggested ,decided to do sth 这类句型呢?（问题2）,在书中见到一句 he built a telescope through which he could study the skies.为什么不能用that? Christine Granville are you for or ___what i said?he makes a good _____by selling shoes. 选择 My father __ young.A.is looking B.look C.looks D.looking