系一重物的气球，以4m/s的速度匀速上升，当离地9m时

我要皇帝的新装的复述200~300字左右 ____you often(eat)lunch at school?____you often______(eat)lunch at school?为什么不用eating? Do you eat lunch at school?eat要加ing吗 i only play a joke on you 邓小平理论首要基本的理论问题? 邓小平理论首要基本理论问题是（ ）. I eat lunch at 12:00.____lunch.A,Before B,At C,After D,When I usually eat lunch at 12:00 _______ noon.A.at B.in C.on D.with Just at that moment=?填空:Just at that moment=_______ ______两个空. Lucy wants to find work in her free time.（改为同意句） Lucy‘s going to get_____ _____ ____ . Jack will find work in his free time.（改为同义句） Jack is going to get a ? ? 60用英语怎么说 60万元 英语怎么说 疙瘩的正确读音都是一声吗? 60多岁,英语怎么说? 请将这些词按读音分成两类 吩咐 嘱咐 比例 判断 铿锵 吩咐 嘱咐 仿佛 葡萄 犹豫 疙瘩 叮咛 茂密请将这些词按读音分成两类吩咐 嘱咐 比例 判断 铿锵 吩咐 嘱咐 仿佛 葡萄 犹豫 疙瘩 叮咛 茂 There is no immutable commitment有没有错误语法? 表示形容词的成语 Commitment to you:I have been waiting for you “疙瘩”的正确读音快 英语翻译这句话摘至一篇关於青春的文章,因字数限制,前半句是:I find young people exciting,they have an air freedom and ,3Q Phoebe点读啊?['foubi:否比? they have not a dreary commitment to mean ambitions or love of comfort.or是连接两个并列成份吗?mommitment to love of comfort? 下雨的时候蜻蜓去那里了?```下雨它们会躲到哪里去``? 蜻蜓除了快下雨的时候飞还在什么时候飞? 为什么蜻蜓飞的低,就会下雨 ——Where did you met Tom?——It was on the farm_____his father worked.A.that B.where 选B 为什么既是定语从句又是强调举行的特殊句式 为什么要下雨的时候,蜻蜓会飞那么低? 请问大侠again和once again的区别如题~~~ 快语法也要抄的吧 要自己写的 汽车疝气灯是装近光好还是远光好为什么 我的电动车灯泡有近远两个灯丝,我把远光火线掐断接在另外一个灯泡上,可是打远光的时候车子原带灯泡的...我的电动车灯泡有近远两个灯丝,我把远光火线掐断接在另外一个灯泡上,可是打远