Period 3 Grammar in Use（同步课件+分层练习）英语沪外版选择性必修第一册

Unit 4 Future Living Period 3 Grammar in Use non-defining relative clauses (非限制性定语从句) defining relative clauses (限制性定语从句) Page 56 In order to survive, the human race builds 10,000 huge engines which slowly push the Earth out of the solar system. defining relative clause to define or identify the person or thing It takes 20 years to reach Jupiter, which should assist in the escape of the frozen Earth with its massive gravity. non-defining relative clause to give extra information about a person or thing already identified A famous science fiction writer in China, Liu Cixin, who is a winner of 2015 Hugo Award, wrote the short story “The Wandering Earth” more than 20 years ago. non-defining relative clause A famous science fiction writer in China, Liu Cixin, who is a winner of 2015 Hugo Award, wrote the short story “The Wandering Earth” more than 20 years ago. non-defining relative clause Combine each pair of sentences into one sentence with a non-defining relative clause. a. I had to fix my smartphone. b. I bought this smartphone a year ago. I had to fix my smartphone, which I bought a year ago. that Step 1: Find the repeating part; Step 2: Replace the repeating part with a suitable relative; Step 3: Add a comma. Stephen gave a talk about how humans will live on another planet within the next generation, which has been viewed by 1.5 million people. Dr Johnson, who works for a large car company, says 10 million self-driving cars will be on the road within the next five years. Page 57 Fill in the blanks with non-defining relative clauses. The film the Wandering Earth, __ , is really worth seeing. which was adapted from Liu Cixin’s novel which has been described as a breakthrough for Chinese science fiction films During the 2019 Spring Festival, 100 million people watched the film, most of whom were deeply moved by the story. When the earth is in danger, humans around the world do not abandon it but work together to take it out of the solar system, which impresses the