Unit 3 Environmental Protection Discover Useful Structures课件 2023-2024学年高二英语人教版（2019）选择性必修第三册

2019新人教高中英语选择性必修三Unit 3 Environmental Protection Discovering Useful Structures Teaching objectives: By the end of this period, you will be able to… 1. identify and analyze the usage of direct speech and indirect speech. 2. use indirect speech to express your ideas. 3. raise the awareness of environmental protection. Q1. Can you find out what the following sentences have in common? Lead in An expert who has studied polar bears for many years said that from the position of its dead body, the bear appeared to have starved and died. Expert claimed that low sea-ice levels caused by climate change meant the bear could not hunt seals as before, so it had to travel greater distances in order to find food. Climate scientists have warned that if we do not take appropriate actions, this warming trend will probably continue and there will be a higher price to pay. _____________ __________________________ _____________ ________________________________________________ Observe and analyze: find out the differences Direct Speech Indirect Speech 1 The expert said,”From the position of its dead body, the bear appeared to have starved and died.” The expert said that from the position of its dead body, the bear appeared to have starved and died. 2 The reproter asked,” Will polar bears die out because of climate change?” The reporter asked whether polar bears would die out because of climate change. 3 The reporter asked,” How can we save polar bears from extinct?” The reporter asked how we could save polar bears from extinction. 4 “Let’s work together to stop climate change,” the expert said. The expert advised us to work together to stop climate change. 1. “I don’t know that,” he said.→He said that he didn’t know that. 2.“I think this is your watch,” Li Hua said.→Li Hua said that he thought that was my watch. 3.“I have lived here for two years,” she said.→She said that she had lived there for two years. 4. “I will finis