1. (2019九下·秀洲月考) 阅读下面短文，掌握大意，然后从A、B、C、D四个选项中选出最佳选项。

    The dogsled（狗拉雪橇）race was about to begin. Julie's team of dogs was lined up at the 1 gate. Julie stood behind them. The air was so cold that she could see her 2. Other teams were lined up too, and the dogs were 3. Julie kept her eyes on the clock. At ten o'clock, she and the other racers shouted, "4!" The race began! All the dogs tried their best to run after each other.

    Now, they ran over snowy hills and down into frozen valleys. They 5only to rest and eat. They wanted to stay ahead of the other teams. The racers had to go a thousand 6across Alaska. Alaska is in the north of US, bordering Canada. It is one of the 7places on Earth. The dogs' thick fur coats helped 8 them warm in the cold wind and weather. In many places along the way, the snow was deep. Pieces of 9 were as sharp as a knife. The ice could cut the dogs' feet. To keep that from happening, Julie put special booties on their feet.

    10, the dogs seemed to pull the sled very slowly. They were still getting used to the race.11 on the third day out, they began to pull more quickly. They worked as a team and 12 many of the other racers. During the period, they met many 13. Once, one of the sleds slid into a hole and broke. Julie wanted to 14 then, but she didn't. She fixed it and they kept going.

    When they finally 15the finishing line, they found out that they had come in first place! It was a great day for Julie and her dogs.