补全对话。
A.Because I like summer vacation.
B.It's rainy and cold.
C.Yes.It's very beautiful.
D.I often go Swimming.
E.Winter.I often play in the snow.
如图所示,甲、乙两支完全相同的试管.分别装有质量相等的液体.甲试管内装水,乙试管内装煤油,两试管液面相平.设液体对两试管底的压强分别为P甲和P乙,则( )
下列有关木本植物茎的说法中,错误的是( )
六(1)班今天出勤38人,缺勤2人,今天的出勤率是____%.