有一排棋子,如图排列.○○○●●●●○○○●●●●…第30颗是白子还是黑子?(请列式说明)
解;30÷(3+4)=4…2,
则第30颗是白子.
答:第30颗是白子.
Before the sales start, I make a list of ____ my kids will need for the coming season. [ ]
A. why
B. what
C. how
D. which
粘假睫毛后如果可以看到胶水,可以用()来修饰一下。
A.眼线笔
B.眉笔
C.水溶眼线
D.眼影粉