题目内容：

    I was cycling one day and noticed a person in front of me，about 250 meters ahead．He was cycling a little slower than me and I decided to catch up with him．

I had about 1 kilometer to go on the road before turning off．So I ____ cycling faster and faster．After a few ____ I was only about 100 meters behind him，so I really picked up the pace and pushed ____．

Finally，I caught up with him and passed him by．I felt so good．“I ____，”I thought，“though he didn’t even know we were racing．”

However，after I ____ him，I realized that I had been so focused on competing with him that I had missed my turn．I had gone ____ six blocks past it and had to turn around and go back．

Isn’t it just ____ life？We often focus on competing with others，trying to show that we are ____ than them．We spend some time and energy chasing after them and we miss out on our own paths in life．

The problem with unhealthy ____ is that it’s a never-ending cycle．There will always be somebody ahead of us．____ stay focused and live a healthy life；run our own race．

1.A.stopped B.started C.went D.continued

2.A.minutes B.hours C.seconds D.weeks

3.A.himself B.myself C.ourselves D.themselves

4.A.fail B.lose C.drop D.win

5.A.passed B.succeeded C.found D.encouraged

6.A.slowly B.suddenly C.nearly D.quickly

7.A.like B.about C.for D.from

8.A.worse B.better C.richer D.slower

9.A.decision B.choice C.plan D.competition

10.A.So B.Though C.If D.Because