如图为同种材料制成的实心圆柱体A和B放在水平地面上,它们的高度之比为2:1,底面积之比为1:2,则它们的质量mA:mB和对地面的压强pA:pB分别为( )
A:mA:mB=2:1,pA:pB=2:1
B:mA:mB=1:1,pA:pB=2:1
C:mA:mB=1:1,pA:pB=1:1
D:mA:mB=2:1,pA:pB=1:1
古代有一个佛偈故事:庙前佛幡随风而动,方丈以此考问众徒。甲徒曰:“风催幡动!”乙徒曰:“幡何动?分明是你心动!心动才有幡动!”下面的思想与乙徒相近的是
①The school ____(旅行)is from November 12 to 13. The students will have fun.
②-Do you have an Art F____(节日)?
-No, we don't.
③They have a birthday p____(聚会)for her son.
④His brother is the first in the English ____(测试).
⑤I'm very ____(忙碌)now, so I can't go with you.
⑥There are twelve ____(月)in a year.