1年前1个回答
你能帮帮他们吗
精彩回答
A person who has never tasted bitter won’t know ______ sweet is.
1年前
1年前
方程ax2+bx+c=0(a≠0)的两根为﹣3和1,那么抛物线y=ax2+bx+c(a≠0)的对称轴是直线
1年前
A human ______ can do some things better than a computer, for example, creating new ideas.
1年前
As the income is increasing,the________of family life has been changing over recent years. [ ]
1年前