[解析]
(1)C 细节题.根据文章1,2段But Rocky's foot got caught between her leg and the steering wheel and she lost control of the truck.和The truck fell into a 20﹣foot ravine(峡谷).When it hit bottom,Rocky woke up. "What happened,Mama?" he asked. "Our wheels are pointing toward the sky."可知这对母子遇见了一场车祸.故C正确.
(2)D 推理题.根据文章第二段he asked. "Our wheels are pointing toward the sky."可知车轮朝上了.说明车子翻了过去.故D正确.
(3)B 细节题.根据文章倒数第二段It took 8 hours to rebuild Kelly's face.She looks quite different today﹣﹣﹣"I used to have a straight long nose,thin lips and high cheekbones;now I've got a flat cheeks and much bigger lips"﹣﹣﹣ but she has few scars and has recovered from her injuries.可知这位母亲最后从车祸中恢复了过来.故B正确.
(4)C 主旨大意题.本文通过一个男孩在车祸中勇敢地救出自己的母亲的故事来告诉我们,只要相信自己,我们就能取得成功.同时文章中的Rocky kept repeating the inspirational phrase, "I know you can,I know you can."也说明C项内容符合文章的中心思想.故C正确.