On the beach，he once finds strange_frightening_footprints and savages eating_people，making_him_very_terrified.

　　 (二)句式升级

　　6．用名词短语作同位语和whose引导的定语从句合并2句和3句

　　It gives an account of Robinson Crusoe，an_English_man_whose_boat_went_under_in_the_sea．

　　7．用which引导的定语从句改写5句

　　On the beach，he once finds strange frightening footprints and savages eating people，which_makes_him_very_terrified.

　　[妙笔成篇]

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　　【参考范文】

　　Robinson Crusoe is a novel written by the English author Daniel Defoe. It gives an account of

　　 Robinson Crusoe，an English man whose boat went under in the sea. Finally he finds himself in a lonely island. He isn't panicked but sets out to build a hut as a shelter，as well as growing his own food.

　　On the beach，he once finds strange frightening footprints and savages eating people，which makes him very terrified. He once rescues a young native he calls Friday and they become close friends.

　　Four years later，an English ship appears，and the captain gets Crusoe's help. As a reward，the captain takes Crusoe and Friday back to England.