如何使用本书 Cultures and Customs Unit 1 The Rakhi手绳 Unit 2 Melbourne Cup Day墨尔本杯赛马节 Animals Unit 3 Cockroaches蟑螂 Unit 4 Whales鲸 General Knowledge Unit 5 The Beginning of Mankind人类起源 Unit 6 FamiIy家庭 Language and Literature Unit 7 Plays戏剧 Unit 8 The English Language英语 Science Unit 9 Pluto冥王星 Unit 10 Saturn土星 Famous Places and Events Unit 11 Niagara Falls尼亚加拉瀑布 Unit 12 Halloween万圣节 Music and Art Unit 13 Jazz爵士乐 Unit 14 Vincent van Gogh凡‘高 Media and Technology Unit 15 Microsoft微软 Unit 16 Cable TV有线电视 Environment Unit 17 CIouds云 Unit 18 Tropical Storms热带风暴 答案 词汇表