價格：免費
更新日期：2016-01-08
檔案大小：16.9 MB
目前版本：1.0
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Most of the world's major cities were built on or around areas of freshwater.
Our ancestors chose to settle near these areas as rivers were a means of supplying drinking water for their families and beasts, as a food supply, used for irrigating crops and as a means of transport in order to aid commerce.
This World River Quiz contains 180 questions like
The Kanpur, India is situated on which river?
For kids it is really interesting because in reward they can play tic tac toe game .
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支援平台：iPhone, iPad