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请根据以下的任务说明和写作要求，写一篇150词左右的短文The dodo(渡渡鸟) was a kind of pigeon which only lived on the little island of Mauritius in the Indian Ocean. There were no dangerous animals on Mauritius, so the dodo had stopped being able to fly. It simply walked around the forest for food and lived a safe and easy life.This all changed in the 16th century when Portuguese(葡萄牙的) sailors first arrived on the island. The birds were so trusting and slow that the sailors called them “dodo”, which means “a stupid person” in Portuguese. Thousands were 下图示意我国亚热带某区域等高线分布。据此完成下列各题。1.图中P地海拔（H）为A. 100m<H<200m B. 200m<H<300mC. 300m<H<400m D. 400m<H<500m2.图示信息显示A. R河流向从西北向东南 B. ③地为山谷C. ①地比②地河流流速快 D. ④地为阳坡