VRV采用变频与工频压缩机相配合可实现（）个容量级别控制。
A.10
B.15
C.20
D.25
参考答案：C
When the family moved to Canada, the children _______ very quickly to the new environments.
A．appealed
B．attached
C．adapted
D．admitted
我国实现法治应从哪些方面努力
