A:drop
B:accept
C:rise
D:invite
画一画。
⑴ ____ A. make dinner
⑵ ____ B. take a shower
⑶ ____ C. dry the dishes
⑷ ____ D. open the fridge
⑸ ____ E. play with the dishes
What parents do has a great i____on their children.
不用天平,只用量筒,要量出200g的酒精,应该在量筒内装入体积是 ____ cm3酒精.(酒精的密度是0.8×10kg/m3)