下面人物与故事情节搭配不当的一项是( )
A:鲁智深﹣﹣景阳岗打虎
B:刘姥姥﹣﹣初进大观园
C:孙悟空﹣﹣三打白骨精
D:诸葛亮﹣﹣草船借箭
—____ are you going to play football?
一This afternoon.
We need two students____ (clean)the classroom.
They need help at the old ____ (people)home
Do you make any ____ (friend)here?
Mr.Wang teaches ____(they)math.
Sally is busy ____ (do)her homework.
下列单摆的周期相对于地面上的固有周期变大的是 ( )