通讀下面短文，掌握其大意，然后在各題所給的四個選項中選出一個最佳答案。

　　The goggled race(狗拉雪橇比賽)was about to begin. My team of dogs were lined up at the starting gate. I stood behind them.Other teams were __31__ up,too,and the dogs were excited. I kept her __32__ on the clock. At exactly ten o'clock,she and other racers shouted,"Mush!"The dogs knew that meant,"__33___!"They jumped forward and the __34___started!

　　Now,my team ran up and down over the snowy hills. They _35___ only to rest and eat. They wanted to stay ___36___ of the other teams. The racers had to go a thousand miles across Alaska. Alaska is one of the __37___places on Earth. The dogs'thick fur coats helped __38___them warm in the cold wind. In many places along the way,the snow was deep. Pieces of ice were as __39___ as a knife. The ice could cut the dogs' feet. To keep that from__40___,I had put special boots on their feet.

　　At first,the dogs seemed to __41___ the sled very slowly. They were __42___getting used to the race. But on the third day out,they began to run more __43___. They worked __44___a team and passed many of the other racers. Once,one of the sled's runners fell into a ho le and __45___. I could have given up then,but I didn't. I fixed it and they kept going.

　　When they finally reached the finishing line,they found that they had come in first place!It was a great day for me and my dogs.

　　( )31. A. lined B. looked C. called D. picked

　　( )32. A. runners B. hands C. dogs D. eyes

　　( )33. A. Action B. Walk C. Hurry D. Go

　　( )34. A. game B. race C. play D. test

　　( )35. A. went B. ran C. stopped D. asked

　　( ) 36. A. tired B. ahead C. afraid D. free

　　( )37. A. wettest B. highest C. coolest D. coldest

　　( )38. A. keep B. make C. find D. leave

　　( )39. A. strong B. hard C. thick D. sharp

　　( )40. A. coming B. hurting C. happening D. cutting

　　( )41. A. push B. pull C. walk D. drive

　　( )42. A. still B. yet C. usually D. almost

　　( )43. A. hardly B. happily C. quickly D. quietly

　　( )44. A. as B. like C. for D. with

　　( )45. A. died B. failed C. broke D. disappeared

　　答案：31—35 ADDBC 36—40 BDADC 41—45 BACAC