Traditional Chinese sports are similar to the Western sports _______ both are meant to improve people’s health.

A．that

B．in which

C．in that

D．不填

解决水资源不足的途径中，我们能积极参与的是

A．跨流域调水

B．兴修水库

C．节约用水，防止水污染

D．海水淡化