Unit 4 Protecting Our Heritage Sites Extended reading & Project 课件-2023-2024学年高中英语译林版（2020）选择性必修第三册

Unit 4 Extended reading Fast reading Read for the main idea of each part. Para. 1 Para. 2 Para. 3 Para. 4-5 Para. 6 The overall introduction The geography The history The trade and cultural exchanges The significance Intensive reading Covering vast distances and an astonishing variety of landscapes, the Silk Road was a network of ancient trade routes that extended from East Asia all the way to the Mediterranean. A key section of the extensive Silk Road network is the Chang‘an Tianshan Corridor, which stretches over a distance of around 5,000 kilometres through China, Kazakhstan and Kyrgyzstan, covering a total of 8,700 kilometres of trade routes. The three countries jointly pursued an application for UNESCO World Heritage status. They submitted the proposal which contained detailed research on the 33 sites along the corridor. This made history in its own way as the first successful multinational World Heritage application—and it seems to be only the beginning of the road for the Silk Road, as other countries are also planning World Heritage applications for other sections of the network. Read and answer questions Para 1 Please find out the topic sentence in this paragraph. Translate the yellow sentence. The starting point of the corridor and the entire Silk Road network is Chang’an (present-day Xi’an), in Shaanxi Province of north-west China. It was famous as the capital of the Han and Tang Dynasties. Further west on the Silk Road, the geography gradually changes from wild deserts to high, snow-capped mountains to vast grasslands as the routes pass through the splendid Tianshan Mountains and emerge in the rolling valleys of Central Asia. Although the Chang‘an Tianshan Corridor ends here, the network continues westwards until it reaches the Mediterranean. Para 2 沿丝绸之路往西，地形渐由荒漠变为冰雪覆盖的高山，又变为广阔的草原，道路穿过雄伟的天山，又在中亚地区蜿蜒起伏的山谷中显现。 What happened to the Silk Road after Zhang Qian’s efforts? The Silk Road began to develop in the 2nd century BCE. Assigned by the emper