通读下面短文，掌握其大意，然后在各题所给的四个选项(A、B、C和D)中选出一个最佳选项。
She was returning from teaching out in a small community(社区).It was a dark, moonless night, and a heavy snow was falling.
She thought back to the time 31 she had first started teaching out in a small communities. During those days she had always 32 hitchhikers (搭顺风车者), until one day her sister told that one of her friends was shot 33 the head by a hitchhiker, all because she had stopped out of kindness to 34 him during a storm.
Her family didn 35 worrying about her safety over the hitchhikers until the family heard the 36:No more hitchhikers! The snow that night was 37 her think back to this.
Then she saw a man 38 .She slowed down for him, but as he ran towards the car in the dark, she shook with 39 .Yet she thought that if he was truly in need, she couldnt leave him here in this storm.
The stranger explained that his car was 40 ,and she told him to 41 in. They drove for an hour into the next city and she took him to a 42 box. She waited until he had made a call. When he told her that a family member would soon come to pick him up, she 43 him well and then left.
Tears fell on her checked as she drove away. It felt 44 she had been holding her breath for an hour. I hope theyll understand why I had to 45 my promise, she thought.
31.A.where B. which C. how D. when
32.A.went up B. took up C. picked up D. set up
33.A.on B. in C. to D. towards
34.A. hit B. tell C. beat D. help
35.A.stop B. begin C. try D. mean
36.A.result B. talk C. sound D. promise
37.A.getting B. making C. leading D. asking
38.A.crying B. talking C. running D. waving
39.A. pain B. pride C. fear D. interest
40.A. alive B. broken C. old D. away
41.A.move B. walk C. get D. climb
42.A.newspaper B. rubbish C. telephone D. clothes
43.A.wished B. said C. thought D. saw
44.A.what if B. as if C. if only D. instead of
45.A.keep B. make C. break D. obey
阅读理解答案：
31.D 32.C 33.B 34.D 35.A
36.D 37.B 38.D 39.C 40.B
41.C 42.C 43.A 44.B 45.C