注意事项：
1.本试卷共8页，全卷满分150分，答题时间120分钟；
2.答题前，务必将答题卡上密封线内的各项目填写清楚；
I.完形填空。（每空2分，共40分）
Some years ago in south Florida a little boy went for a swim in the old swimming hole behind his home. In a hurry, he __1__ into the water, not realizing that as he swam toward the __2__ of the lake, an alligator(短吻鳄) was swimming toward the shore. His mother in the house __3__ the window saw the two as they got 4 ，__5__ to her son as __6__ as she could.Hearing her voice, the little boy became alarmed and 7 a turn to swim to his mother. It was too __8－of－war between the two. The alligator was much __11__ than the mother, but the mother didn't let go. A farmer happened to 12 by, heard her screams, raced from his truck, took aim and shot the alligator.__ . Just as he reached her, the alligator reached him. The mother __9__ her little boy by the arms just as the alligator caught his 10 . That began an unbelievable tug together. In great fear, she ran toward the water
