Book III Module 6 Old and New课前学习目标：1.To get to know some expressions related to hydro-electric dam2. To get familiar with the words on page 51 to page 53, and try to grasp some words if possible3. To solve some difficulties by consulting dictionaries, surfing the Internet and so on4. To learn more about the Three Gorges Dam and other man-made structures to enrich horizon 学法指导：自主、探究式一、 热身导航：1.预习课本 P51 的内容并完成课本相关的练习。2. 通过略读和详读相结合，了解 P53 文章的主要大意，并能完成课后相关的练习。二、 预习成果小验收：1.Could you fill in the blanks by using the words in activity 2 and 3 on page51?1).A _________ is a barrier（障碍物）that is built across a river in order to stop water from flowing , used especially to make a lake for storing water to produce electricity.2). Hydro-electric means using the power to produce electricity. The Three Gorges Dam is the largest __________________dam in the world.3).The Great Wall of China is the longest man-made ________（建筑物）ever built, most of which __________/___________ （ 追 溯 到 ） the Ming Dynasty. There is an attractive story about the __________ （起源，开端）of the Great Wall of China , according to which the _________________ （原始的，最初的）wall was 6300 kilometres long. No one can tell for sure when the building of the Great Wall was started, but it is popularly believed that it originated as a military fortification(要塞). It was not until the Qin Dynasty that the separate walls were connected to form a defensive system by Emperor Qin Shi Huang. Do you know what the Great Wall ____________（追溯到）the Qin Dynasty looked like ? 4).Hong Kong International Airport was the biggest civil ______________（土木工程）project of...
