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（美國州名）

(2) be amazed at 對…感到驚詫

(3) dinosaur n.恐龍（已絕跡的巨大爬行動物）

Exercises:

根據短文判斷下列句子正（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.準確數字

一位游客在新墨西哥游覽。他對隨處可見的恐龍化石甚感驚奇。

“這些化石有多長的歷史？”游客問一個上了年紀的當地美國人。他是作向導的。

“整整十億零三年了?！?/P>

“你怎么這么肯定？”游客問道。

“哦，”向導回答道，“一個地質學家來過這兒，他告訴我說這些化石有十億年了，再加上那是整整三年前的事了。”

練習參考答案：

①F②T③F④F⑤T