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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