.It is ______ to spend money on preventing illnesses by promoting healthy living rather than spending it trying to make people ______ after they are ill .

A．well; better

B．good ; good

C．better ; good

D．better ; better

某车使用自动变速器，发动机运转正常，但近日发现该车冷车能慢行驶，但热车后行驶十分困难，其故障一般为（）。

A.AT液漏泄严重

B.AT油泵磨损严重

C.油门阀拉线未调好

D.主油路滤网严重堵塞