数学广角鸡兔同笼视频

On a gagne,on est les meilleurs.怎么翻译? I was early.I was here ____ half past ten.(填适当介词) Ken was here at a quarter to ten.(如何提问) things are( )worse than I thought.A.more B.few C.very D.much( )can you come back ro london,jack?A.how long B.how soon C.how often D.what timeLeo looked at me( ),and he looked( )A.sadly,sad B.sad,sad C,sadly,sadly D.sad,sadlyhow are your parends?they 请教一个英语选择题Please excuse me ( )your letter by mistake.A.to open B.to have opened C.for opening D.in opening这个题为什么选C 照样子,写词语.1.其乐融融.2千秋万世.3.亭台楼阁（每个2个） 1 APEC has a ___-layer organisational structure.a、fiveb、fourc、threed、six题号:2 Countries enjoying annual per capita income below $ 9386 and above $ 765 are classified as .a、high-income economiesb、 middle-income economiesc、low-income e 其乐融融还是其乐溶溶,那个词正确 其乐融融 中融融还可以怎么样组词 im m20 and you 啥意思? 《我家幸福年》作文,400字要写得好的. 这句话意思 ?you too young and im not interested in you as just friends you can pick up some uesful ideas through talking with your teacher句中为什么要用up 和with 请教这个英语词组的含义：pull a fast oneI am not trying to pull a fast one on you.具体的含义比较难理解,这个词组请帮忙分析一下. ‘偷食禁果’ ▲夏娃偷食禁果是必然的吗? 青春少女偷食禁果会有什么危害呢? 古诗台城的翻译不要讲一大堆,尽量简洁明了!很急啊,周末之前要用!韦庄的 麻烦大家21题 什么动物有长长的头发在它身上 如图12-1,过△ABC的三个顶点分别作出与水平线垂直的三条直线,外侧两条直线之间的距离叫△ABC的“水平宽”(a),中间的这条直线在△ABC内部线段的长度叫△ABC的“铅垂高(h)”.我们可得出一种 He is leaving the first week in June and staying until September.in可不可以用of?leaveing后为什么没有介词? 麻烦谁可以教我这道题.甲车速度为20米/秒,乙车速度为25米/秒,现甲车在乙车前面500米,设X秒后两车之间的距离为Y米,求Y随X（0大于X小于100）变化的函数解析式,并画出函数图象. Peter is going to Hongkong .He is leaving on （）first week in june A.a B.the c./ D.an He is leaving the first week in June and staying until September,为什么leaving后不加介词 具体解释一下时间状语和时间状语从句的意思,举几个例子 什么是“禁果” 四年级科学论文：关于水温高低鱼呼吸的次数500字左右, 以呼吸为话题的800字作文 在三角形ABC中,a乘以B的余弦减去b乘以A的余弦等于3\5C 求A的正切除以B的正切值. he leaving the first week in june and staying until September翻译 英语课 视频? “我们今天上午在微机课上看视频” 用英语怎么说紧急!