Snacks and drinks can ____ (buy) from vending machines on each floor of the hotel.
⑴take____ wrote
⑵drink____ took
⑶eat ____ came
⑷write ____ drank
⑸come____ ate
一个正方形的周长是16厘米,面积是____平方厘米。
图中哪一个才是浮力的方向( )