An Exact Number（准确数字）A 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 tourist.

　　"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）：

　　① The tourist was frightened by the dinosaur bones lying about.

② The elderly native American served as a guide.

　　③ The guide knew exactly how old the bones were.

　　④ The guide told the tourist the history of the bones.

　　⑤ The guide believed what the geologist had said.

103.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。”

练习参考答案：

①F②T③F④F⑤T