Unit 3 Period 5 Video Time课件2021-2022学年高中英语人教版选择性第四册

Unit 3 Sea Exploration Period 5 ：Video Time To know about China’s research vessels To think about the significance of sea exploration 2 What is this in the picture? It’s a vessel. Why do we need vessels like this? They could help us do some research at sea. 3 Why do people explore the ocean? Ocean exploration is about making discoveries, searching for things that are unusual and unexpected. Through ocean exploration, we collect data and information needed to address both current and emerging science and management needs. We can more effectively manage, conserve, regulate, and use ocean resources. 4 Before you watch Deep into the Sea The video is about Kexue, China’s most sophisticated research vessel, which is designed to conduct a wide range of tasks. Based on Kexue, China has take the lead in building a world-class platform for marine research. 5 1. What do you know about Kexue? 2. What do you want to know about Kexue? It is the most sophisticated research vessel. Its tasks include: water body detection deep-sea environment investigation atmospheric exploration conducting onboard experiments collecting geological samples. 6 Look at the pictures from the video on page 36 and think about the following questions. 1. What do you think these people are doing in the pictures? 2. What could be done on the research vessel? 7 1 Check your answers in Before You Watch. 2 Circle the best words to complete the sentences below. 1 The sea covers over/under two-thirds of our planet. 2 Kexue is regarded as a moving laboratory/factory on the sea. 3 The IOCAS is the institute/initiative of Oceanology, Chinese Academy of Sciences/Scientists. 4 The Faxian vehicle has surveyed more than 3,000/400 sites and has collected 3/3,000 tonnes of geological samples. 9 3. Answer the following questions. 1 When was Kexue first put into operation? 2 What is the purpose of designing thise vessel? 3 What achivements has Kexue made? In 2014. Thanks to the Kexue, the IOCAS has take