閱讀下面一篇短文，理解答疑，然后從各小題的四個(gè)選項(xiàng)中選出一個(gè)最佳答案，使短文連貫完整。

　　I was once a fat girl . I weighed 336 pounds and looked as big as my fridge. I was never 31 it. But one day I had a medical examination(體檢). The 32 told me that I was having heart trouble. It 33 me up. I began to feel nervous. Then I decided to do something!

　　In a year and five months, I 34 104 pounds. What a great thing I did ! I didn?t have any expensive food, medical treatment(治療)or camp-style(訓(xùn)練營式的)exercise. What was the secret to my 35 ?

　　First I looked through the Internet for do-it-yourself 36 that people could follow on losing weight. Of course I saw countless ads which try to get me to buy their products. But I bought nothing. The only thing I did was to change my bad 37 . The following are what I have done. You can try these. Stop drinking something with too much sugar in it. 38 sweet cakes. Eat green vegetables. Use only vegetable oil. Never eat after 6:30 pm. Also, do light exercise for 15 to 20 minutes five days a week.

　　Then I kept doing what I should do. People sometimes say,“You don?t need to tell me 39 to do. I know it already!”But the fact is that knowing what to do and doing what you know are totally 40 . The important thing is to know what to do and then just keep doing it.

　　31. A.excited about B.worried about C.proud of D.happy with

　　32. A.doctor B.friend C.mother D.teacher

　　33. A.gave B.cheered C.dressed D.woke

　　34. A.borrowed B.lent C.lost D.got

　　35. A.happiness B.success C.kindness D.richness

　　36. A.advice B.news C.food D.medicine

　　37. A.grades B.look C.wish D.habits

　　38. A.Accept B.Bring C.Refuse D.Make

　　39. A.how B.what C.why D.whether

　　40. A.easy B.difficult C.similar D.different

　　答案：　　BADCBADCBD