Unit 3 Sea Exploration 课件(共50张PPT)人教版（2019）选择性必修第四册

(课件网) UNIT 3 SEA EXPLORATION Learning About Language (2) 人教版高中英语选择性必修第四册 Review useful structures ·To complete the great map of the world was a strong passion...（S） · Marco Polo’s tales inspired European explorers to search for sea routes from west to east.（OC） · Here，merchants from China and many other places met to negotiate trade deals...（Ad） · To reach out across the sea remains a strong desire today.（S） · The aim of this initiative is to encourage cooperation and trade...（P） · Trading has grown greatly...and will continue to do so in years to come. （O；Attr） · ...which will help to greatly develop the whole area for the benefit of future trade and cultural exchange.（O） · ...there are still many other places left to explore.（Attr） · ...China has joined other nations on several expeditions to explore the Arctic.（Attr） · ...there is an urgent need to study the Arctic in order to understand climate change and its effects.（Attr；Ad） · ...the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future.（Attr；Attr；OC） Activity 1 Find all the sentences containing infinitives in the reading passage. Then mark their functions. 1 As the subject（S） 2 As the predicative（P） 3 As the object（O） 4 As the object complement（OC） 5 As the attributive（Attr） 6 As the adverbial（Ad） EXAMPLE It is fun/visit an aquarium/in summer →It is fun to visit an aquarium in summer.（S） Activity 2 Join the words to make sentences using infinitives. Then decide the function of each infinitive. 1 He/encouraged me/participate in the surfing competition → 2 The storm/seems/be getting closer → 3 Magellan/was the first person/sail around the world → 4 The UN peacekeeping force/aims/maintain peace and prevent armed conflicts → He encouraged me to participate in the surfing competition.（OC） The storm seems to be getting closer.（P） Magellan was the first person to sail around the world.（Attr） The UN peacekeeping force aims to maintain peace and prevent armed conflicts.（O） EXAMPLE It is fun/visit an aquarium/in summer →It is fun to visit an aquarium in summer.（S） Activity 2 Join the words to make sentences using infinitives. Then decide the function of each infinitive. 5 The crowd/stood/applaud /scientists/for their important ocean research work → 6 It is a good idea/tax /plastic bottles/so that people use them less → 7 The Jiaolong manned submersible /is said/be able/reach 7 km underwater → 8 It remains/be seen/whether or not his capsule can work → The crowd stood to applaud scientists for their important ocean research work.（Ad） It is a good idea to tax plastic bottles so that people use them less.（S） The Jiaolong manned submersible is said to be able to reach 7 km underwater. （O；O） It remains to be seen whether or not his capsule can work.（P） Far out in the ocean，where the wate ... ...