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        The first Americans probably came from Asia to North America 25,000 years ago or more. Over time they developed ways of farming and societies with different languages and cultures. About the time of the Roman Empire, there was a culture of the Mayas in Central America. Mayan society was known to be very advanced with their own system of mathematics and one of the best calendars in the world. They had a system of writing that was like ancient Chinese characters. Around the ninth century the population of the Mayans dropped. No one knows whether there was a problem of a change in the climate, war with other groups, or the wearing out of the soil. It was more than a thousand years later that Columbus discovered America. When he saw land after the trip across the Atlantic Ocean, he thought he was in India.
【題組】45.The reason the Mayan culture dropped in population is ___________.
(A) still unknown
(B) because the people wore out the soil
(C) because of the calendar
(D) because of war

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Jhe Cheng 大三下 (2017/02/16)
The first Americans ☆☆☆☆☆☆☆☆ ...


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2F
“勞謙君子，有終吉” 研一下 (2018/05/12)

第一批美國人可能在25,000年前從亞洲到北美洲或更多。隨著時間的推移，他們發展了不同語言和文化的農業和社會方式。關於羅馬帝國時代，中美洲有一種瑪雅人文化。瑪雅社會以其自己的數學系統而聞名，並且是世界上最好的日曆之一。他們有一個如古代漢字的寫作體系。大約在9世紀，瑪雅人的人口下降。沒有人知道是否存在氣候變化，與其他團體發生戰爭，或者土壤磨損的問題。一千多年後，哥倫布發現了美國。當他在大西洋旅行後看到了土地時，他以為他在印度。

3F
相信成功，堅持到底。 大一下 (2023/09/20)
45.(A)
The reason the Mayan culture dropped in population is still unknown .
瑪雅文化人口減少的原因尚不清楚。

(A) still unknown
(B) because the people wore out the soil
(C) because of the calendar
(D) because of war
   (A) 仍然未知
   (B) 因為人們耗盡了土壤
   (C) 因為曆法
   (D) 因為戰爭

calendar [ˋkæləndɚ] 日曆；曆書；曆法
wore [ wor] wear的動詞過去式
wear [ wɛr] 穿著；戴著；磨損；穿破；用壞
war [wɔr] 戰爭；鬥爭；競賽
wore out 用壞 ; 穿破 ; 耗盡
soil [sɔɪl] n.土，泥土，土壤 v.弄髒；玷汙


        The first Americans probably cam..-阿摩線上測驗