请仔细阅读四段话，从A、B、C、D中找出对应的小标题，并回答第5小题。
小题1:No one wins all time. Learn from the times that you lose. All great champions were once losers at some point. But, they learned. And they kept a positive attitude until they got better.
小题2:Your happiness is up to you. Many people forget this. Truly successful people choose happiness no matter what their present situations are.
小题3:Chances lie in what you do every day. You do the same work. You eat the same foods. You wear the same clothes. Try a new way. Take a new path. Even talk to someone new.
小题4:Opportunity is everywhere. Even the worst situations have opportunities. Seize（抓住）the opportunity, and seize the time. That’s the secret of success.
小题5:The material above tells us the ways to ______
A．find a good job
B．live a positive life
C．protect the environment
D．keep us healthy
