_______, and students having returned, the school will start with ________ effort in the work that lies before it.

A．The summer vacation is over; refreshing

B．As the summer vacation over; renewed

C．The summer vacation being over; renewed

D．With the summer vacation being over; refreshing

属于园林构成的要素有（）

A、山水地貌。

B、道路广场。

C、建筑和构筑物。

D、植物和动物。