题目内容：

    When I was a kid, I kept using a bike with training wheels. And I didn't______much, so, of course, I didn't learn how to______. One day I observed that my younger sister was getting closer to______ how to get rid of the assistance than I was. I couldn't let her______ me! Like an out­of­control mad man, I grabbed(抓住) my bike, ______the training wheels, pushed it out, and pedaled(踩踏板) all over the neighborhood. I tried to stay near the______ as close as I could, so when I fell, I'd______ crash onto the lawn(草坪) instead of the street. After many short­lived______， I finally learned how to balance!

The process seemed______， since I was afraid of falling. I______ the fear which held me back and gathered the______ instead. I tried my best to fall as much as I might have to, to______ getting hurt, and to quickly get back on the bike and try again. There might be some pain and______， and if so, I'd get hurt and bleed and keep going. It took me probably less than an hour to master the basic skill.

What______ pushed me to set aside the fear and take action? Nothing but the feeling that I was______．My sister could ride without the training wheels while I couldn't. This feeling of ______ gave me a much needed kick. Using such pressure to motivate(激励) progress is ______. Go take action. Make the attempt. Fall. Get hurt. Get up and try again______ the very moment you create the______ results. Everything can be as ______ as riding a bike.

1.A. watch B. practice C. transport D. fall

2.A. park B. speed C. drive D. balance

3.A. figuring out B. deciding on C. looking into D. giving up

4.A. alarm B. assist C. beat D. judge

5.A. examined B. removed C. fixed D. adjusted

6.A. crossing B. handle C. street D. grass

7.A. unbelievably B. hopefully C. awkwardly D. slowly

8.A. attempts B. competitions C. discussions D. lessons

9.A. frightening B. amazing C. embarrassing D. satisfying

10.A. experienced B. canceled C. overcame D. collected

11.A. courage B. patience C. interest D. expectation

12.A. avoid B. regret C. prevent D. risk

13.A. pauses B. blood C. joy D. shock

14.A. easily B. gradually C. luckily D. exactly

15.A. giving in B. catching up C. falling behind D. standing out

16.A. disappointment B. confusion C. respect D. excitement

17.A. confident B. powerful C. negative D. harmful

18.A. while B. though C. since D. until

19.A. unexpected B. direct C. desired D. various

20.A. necessary B. useful C. easy D. complex