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课件网) 外研版英语 选择性必须必修第二册 Unit 4 Breaking boundaries Period 2 Using languages Part 1 Grammar Study the rule of it as empty subject. a. It is vital not to take any chances. b. Not to take any chances is vital. c. It is importance to remember that Ebola doesn't respect national boundaries. d. to remember that Ebola doesn't respect national boundaries is important. 1. What does “it” refer to in the sentences above In sentences “a” and “c” respectively refer to “not to take any chances. ” and “to remember that Ebola doesn't respect national boundaries.” it as the empty subject replaces to-infinitive. 2. What is the difference between the sentences in each group In the first sentences, empty subject “it” is used as the subject, while in the second sentence, the “to infinitive” is the subject. 3. Why does the author choose to use sentences “a and c” instead of “b and d” The infinitive structures in the sentences are too long. Practice One Rewrite the sentences using it as an empty subject. 1. To get roles in American film and television is no longer quite so difficult for women and minorities. It is no longer quite so difficult for women and monorities to get roles in American and television. 2. To become a leading actor in Hollywood is now a more realistic hope for minority actors. It is so now a more realistic hope for minority actors to become a leading actor in Hollywood. 3. To write and direct Hollywood films is more common than before for women. It is more common than before for women to write and direct Hollywood films. 4. To cast white actors as Asian characters is seen as acceptable that things by film studios. It is seen as acceptable that things by film studios to cast white actors as Asian characters. Pracice Two Describe the city using the information provided ad it as an empty subject. ◎ not surprising thing/ students see different skin colours in the same class ◎ possible / people hear many different languages find and dialects ◎ easy/ people find pproducts from all over the world. ◎ not difficult/ foreigners settle down and find a job ◎ a common thing/ people from different countries work in the same company Today's Beijing Beijing today is multicultural. 1. It is not a surprising thing for students to see different shin colours in the same class. 2. It is possible for people to hear many different languages and dialects. 3. It is easy for people to find products from all over the world. 4. It is not difficult for foreigners to settle down and find a job. 5. It is a common thing for people from different countries to work in the same company. Practice Three Describe the city of Shanghai, using it as an empty subject where appropriate. Shanghai is an international metropolis and is the financial centre of China. It is common to find so many banks and institutions there. Shanghai has the food culture of all countries, and it is not difficult for ... ...
