the world.No other Pacific Islanders knew how to write，and the American Indians did not know how to write either.Who taught the Easter Islanders how to write，or did they develop their own system? Remember that writing was first invented in Asia.

　　Easter Island and the statues that exist there suggested the influence of alien from other planets.Easter Island continues to be one of the world's greatest unexplained mysteries.

　　1．statue n． 雕像；塑像

　　2．regarding prep. 关于；至于

　　3．inhabit v. 居住于；占据；栖息

　　4．canoe n. 独木舟

　　5．current n. 趋势；(水、气、电)流

　　Why couldn't Polynesian sailors leave the island according to the passage?

　　【答案】　Because the ocean currents which carried them there would not take them back.

Section Ⅰ　Introduction & Reading and Vocabulary-Preparing

　　根据提示写出下列单词

　　1． vt. 袭击；攻击

　　2． adj. 吓人的

　　3． n. 动物；生物

4． adj. 灰色的