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1、中小学多媒体教学资源：http:/An Exact NumberA tourist was visiting New Mexico and was amazed at the dinosaur bones lying about.“How old are these bones?“ the tourist asked an elderly Native American, who served as a guide.“Exactly one hundred million and three years old.“How can you be so sure?“ inquired the to
2、urist.“Well,“ replied the guide, “ a geologist came by here and told me these bones were one hundred million years old, and that was exactly three years ago.Notes:(1) New Mexico 新墨西哥(美国州名)(2) be amazed at 对感到惊诧(3) dinosaur n.恐龙(已绝迹的巨大爬行动物)Exercises根据短文判断下列句子正(T)、(F)： The tourist was frightened by th
3、e dinosaur bones lying about. The elderly native American served as a guide. The guide knew exactly how old the bones were. The guide told the tourist the history of the bones. The guide believed what the geologist had said.准确数字准确数字一位游客在新墨西哥游览。他对随处可见的恐龙化石甚感惊奇。“这些化石有多长的历史?”游客问一个上了年纪的当地美国人。他是作向导 的。“整整十亿零三年了。 ”“你怎么这么肯定?”游客问道。“哦， ”向导回答道， “一个地质学家来过这儿，他告诉我说这些化石有十亿年 了，再加上那是整整三年前的事了。 ”参考答案：参考答案：FTFFT