2014年秋人教版九年级英语课件Unit 8 It must belong to Carla.Section B.ppt

period, age, generation这三个词的共同意思是“时期”。其区别是： period是这组词中最一般的常用术语, 用于任何时限, 时间可长可短; age意为“时代, 寿命”, 常用来表示以一个中心人物或显著特征而闻名的时期; generation意为“代、世代”, 用于上辈出世与下辈出世之间的时段,对人类来说这段时间有时可算作20年或25年,也可用于下辈本身。 知识链接 The period in which people learnt to make tools of iron is called the Iron Age. 人类学会用铁制造工具的时代, 我们称为“铁器时代”。 My generation behaves differently from my fathers and grandfathers. 我这一代人和我父辈及祖辈表现不同。 * * ? Stonehenge is the most well-known of the over 900 different stone rings in the British Isles. ? It is estimated that it too around 30 million hours of labor over a span of 1500 years to construct Stonehenge. Buildings with Mysterious Origins Nan Madol (南马都尔) Nan Madol?is a ruined city next to the eastern shore of the island of?Pohnpei. It is the only known ancient city ever built on top of a coral reef.? Skarabrae (斯卡拉布雷) It is a stone-built?? settlement. It is the best preserved groups of prehistoric houses in Western Europe. Older than?Stonehenge?and the?Great Pyramids, it has been called the Scottish Pompeii because of its excellent preservation. Buildings with Mysterious Origins Newport tower (纽波特塔) It is a round stone tower located in?Touro Park?in?Newport,?Rhode Island?(USA). It is commonly considered to have been?built in the mid-17th century. It is one of this countrys longest enduring architectural enigmas (谜). Buildings with Mysterious Origins Statues of Easter Island (复活节岛巨石像) Easter Island is in the southern Pacific Ocean, 2,300 miles west of the coast of. Easter Island is only 15 miles long and 10 miles wide. It is covered with hundreds of giant statutes, each weighing several tons and some standing more than 30 feet tall. It has even been suggested that space aliens may have played a role regarding these giant statues. Buildings with Mysterious Origins Olmec colossal heads (奥尔梅克巨型头像) Olmec colossal heads? (1500 BC to 400 BC) were huge statues of heads made by the Olmecs, the earliest known civilization of Mexico. They are amongst the most mysterious