将下列单词按照划线部分的音标正确分类
sausage father man postcard many class catch argue ate anything back take fantastic place
/e/ ____ ____
/I/ ____
/ei/ ____ ____ ____
/æ/ ____ ____ ____ ____
/ɑ:/ ____ ____ ____ ____
△ABC中,AC=BC,∠ACB=90°,点D,E分别在AB,BC上,且AD=BE,BD=AC.
—Of course not. I thought you could follow me.
对任意的实数x,y,矩阵运算abcdxy=yx都成立,则abcd=____ .