There was an unclear object appeared in the sky last night. Out of its fast speed of flying, Alice thought it was an unidentified object. However, Jack deemed that it was a kite which could give off light of its own, due to its flying was not high. Besides, because of its vocie,which sounded like a man-made plane, Antonio believed that it was an airplane.
最新问答: 形容动作整齐一致的成语是什么 求大神帮助翻译:at least two molar equivalents of sodium amide per m 六年级上册解方程计算题25道,稍难的, 一辆汽车每小时行驶V千米,T小时行驶()千米. 在四面体ABCD中,AB⊥平面BCD,BC=CD,∠BCD=90°,∠ADB=30°,E,F分别是AC,AD的中点,求面 无机盐也是人类所需的营养素之一.下列有关人体中无机盐形式存在的 元 素的说法中正确的是( ) Yesterday is more and more,tomorrow is less and less,this is 当x为何值时,代数x²+8x+1与x²-9的值为相反数 THEY ARE LISTENNING TO ME 哪里有错 用表示颜色的词填空.black+white=_____ red+yellow=______ green+_____=br 已知f(X)=x^2+2x-sin派 则f’(0)= -5²+2×(-3)²-7÷(-3分之1)² III.请根据下面问题的答案,整理出一篇游记.你还可以增加一些问题. 麻烦英语好的帮忙看看这篇英语短文语法对不对, 已知0≤x≤2 函数f(x)=4x²-4ax+a²-2a+2有最小值3 求a的值 英语用法什么时候用do,does,did,举个简单的例子.还有什么时候用go,goes,went,也举个简单的例子. 已知关于x的方程ax+b=c的解为x=1,求|c-a-b-1|的值. 图形从原点出发,先向右平移1个单位,再向上平移根号3个单位长度,两次平移的结果实际相当于该图形从原点出发,向着北偏东.( 若sinα+cosα=α(0<α<1﹚,则α是第几象限角 畅通无阻的反义词