【单选题】. ---You don’t seem to be quite yourself today. What’s wrong? --- Oh, I'm suffering from a cold. Nothing serious, ____.
【单选题】---You don’t seem to be quite yourself today, do you? ---I’m suffering from a cold. Nothing serious, ____.
【单选题】—You don’t seem to be quite yourself today. What’s wrong? —Oh, I’m suffering from a cold. Nothing serious, _____.
【简答题】解方程组: (1) ,则x= _________ ,y= _________ ; (2) ,则x= _________ ,y= _________ ,z= _________ .
【判断题】风速的取值在时距上和高度上应有统一的标准。( )
【多选题】根据现行会计准则的规定,财务报表应当至少包括下列表中的( )。
【简答题】解方程:若 2 9 (0.6+x)= 1 3 ,则x=______.
【简答题】解方程 | 1-x 2 |=3 ,则x=______.
【单选题】—You don’t seem to be quite yourself today. What’s wrong? —Oh, I’m suffering from a cold. Nothing serious, _____.