Some years ago on a hot summer day, a little boy decided to go for a 1 in the lake behind his house. In a hurry to dive into the 2 water, he ran out of the back door. He flew into the water, not3 that an alligator （鳄鱼）was swimming toward the 4. His mother in the house was 5of the window and saw the alligator  6 it got closer and closer. In fear, she ran toward the water, yelling to her son as 7 as she could.

    Hearing her voice, the little boy became 8 and made a return to swim to his mother. It was too9.Just as he reached her, the alligator 10him. From the shore, the mother grasped her little boy by the arms just as the alligator grasped his legs. The alligator was much 11 than the mother, but the mother was much too struggling to let the boy go. A farmer happened to drive by, heard her 12raced from his truck, took aim and13the alligator.

    14 after weeks in the hospital, the little boy15 His legs were scarred by the animal and, on his arms, were 16scratches where his mother's fingernails scratched. A newspaper reporter, who 17 the boy, asked if he would show him his18 The boy lifted his pant legs. And then, with obvious 19 he said to the reporter, “Bot look at my arms. I have great scars on my arms, too. I have them because my mom wouldn't let me go. They are my mother's 20 for me.”

1874年李鸿章主持筹议海防建设时，大理寺卿王家璧警告他“以夷变夏，即可自强，此大误也”。这主要反映了（   ）

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    从新疆到东北,从内蒙古到深圳,近两年来,校园“毒跑道”事件层出不穷。一些学生出现鼻血不止、头昏目眩、红疹等症状，被确诊为“急性轻度苯中毒”。当地一些家长据此将塑料生产厂家和学校告上法院，要求赔偿。后经查明，塑料厂家使用不合格的添加剂，导致笨含量严重超标。法院判厂家承担主要赔偿责任，学校承担补充赔偿责任。

    小明从网络中看到全国“毒跑道”新闻后，马上在网上发帖说是当地中小学也都有“毒跑道”，引起当地家长和学生的恐慌。后经检测当地校园不存在“毒跑道”。