Unit 2 The Things Around Us Next up，the BDS 课件-2025-2026学年高中英语沪教版必修第三册

该高中英语课件围绕“BDS（北斗卫星导航系统）”展开，通过定位技术问题导入，衔接全球四大卫星导航系统知识，以Pre-reading选择题、While-reading段落匹配及True or False判断构建学习支架，帮助学生从感知到深入理解BDS的功能与意义。 其亮点在于融合文化意识与思维品质，以中国BDS为载体增强家国情怀，通过文本细节分析（如True or False题）培养逻辑推断能力，Post-reading思维导图任务提升学习能力。教师可借助结构化任务链高效教学，学生在语言实践中深化跨文化理解与自主学习能力。

Unit 2 The Things Around Us The BDS: A high-tech achievement Culture focus Lead-in Have you ever thought about how these apps can accurately locate your position? Positioning technology What are the four major global satellite navigation systems? American—GPS Russia—GLONASS Europe—Galileo China—BDS Q Pre-reading What does BDS stand for? a Basic Digital System b Big Data System c Beijing Daytime System d BeiDou Navigation Satellite System _____d______ While-reading Read the passage and match summaries a-e to paragraphs 1-5. a The BDS is a system that benefits China and the rest of the world. b On land, the BDS is used to help the police, firefighters and farmers. c Satellite systems around the world help people know their locations. d One place where people use the BDS is on boats. e The BDS has become better and better over the years. Para 1:___c____ para 2:___e____ para 3:___d____ para 4:___b____ para 5:____a___ c Satellite systems around the world help people know their locations. Read the passage and match summaries a-e to paragraphs 1-5. e The BDS has become better and better over the years Read the passage and match summaries a-e to paragraphs 1-5. d One place where people use the BDS is on boats. Read the passage and match summaries a-e to paragraphs 1-5. b On land, the BDS is used to help the police, firefighters and farmers. Read the passage and match summaries a-e to paragraphs 1-5. a The BDS is a system that benefits China and the rest of the world. Read the passage and match summaries a-e to paragraphs 1-5. The reason why the BDS knows the location How is the BDS in operation today / the current version compared to the first version of the system? 1. 2 What can the BDS do? Navigation: At sea: 1. 2. 3. On land: 1. 2. The potential of the BDS 1. 2. While-reading The satellites in space help calculate our position. More advanced Better technology and more satellites. Calculate our position/determine the position of objects Help fishing boats in search and rescue operations Communicate with support services on land Give the exact locations of ships in trouble Popularity within China and overseas provide countless benefits to the world Helping the police and firefighters do their job helping operate smart farming equipment (examples) (1) Galileo, GLONASS and GPS can all help people to locate their position. _______ (2) At present, the BDS is ten times more accurate than GPS. _______ (3) The BDS has already been used for searching for more than 40,000 boats. _______ (4) Though the BDS is not yet completed, it has proved useful both at sea and on land. _______ (5) The BDS is presently increasing in popularity both at home and abroad. _______ (6) China’s BeiDou is the world’s BeiDou because it is a result of international cooperation. _____ While-reading True or False (1) Galileo, GLONASS and GPS can all help people to locate their position. True or False ___T____ (2) At present, the BDS is ten times more accurate than GPS. True or False When it is completed, there will be several dozens of BDS satellites. in the future, those satellites will allow us to determine the position of objects with millimetre accuracy: that is ten times more accurate than GPS (line 11-14) (1) Galileo, GLONASS and GPS can all help people to locate their position. ___T____ ___F____ (2) At present, the BDS is ten times more accurate than GPS. True or False When it is completed, there will be several dozens of BDS satellites. in the future, those satellites will allow us to determine the position of objects with millimetre accuracy: that is ten times more accurate than GPS (line 11-14) The BDS has already been used for helping more than 40,000 Chinese fishing boats. (1) Galileo, GLONASS and GPS can all help people to locate their position. ___T____ (3) The BDS has already been used for searching for more than 40,000 boats. ___F____ ___F____ (4) Though the BDS is not yet completed, it has proved useful both at sea and on land. (5) The BDS is presently increasing in popularity both at home and abroad. (6) China’s BeiDou is the world’s BeiDou because it is a result of international cooperation. True or False The developers predict an increase in popularity of the BDs bothat home and abroad (line 28) China developed the BeiDou Navigation System, but its benefits can be extended to other nations ___T____ ___F____ __F___ While-reading Why does the writer use “next up”? “Next up” suggests the writer’s expectation of China's efforts to launch more satellites to complete the system VS Post-reading Mind map BDS BDS, as a significant technological achievement of China, now needs to be introduced to foreigners. What aspects will you cover when introducing BDS? Please present it using a mind map and briefly organize the language to introduce BDS to everyone." Unit 2 Cultural Focus: Next up, the BDS Thank you for participation $