(课件网) Unit 4 Breaking boundaries Using language To learn the structure and understand the main usage of “It” as an empty subject. To use the grammar and describe a city using “It” as an empty subject.To know a passage about “global village”. To listen to a conversation for the main idea and detailed information. To know some expressions of showing interest and describing a common phenonmenon. To talk about another phenomenon of the global village. Learning objectives Words and expressions realistic adj. （目标、希望）能够实现的 41 minority n. 少数派；少数 41 cast v. 选派（角色） 41 inclusive adj. 包容广阔的 42 culture shock 文化冲击 42 joint adj. 联合的，共同的 42 harmonious adj. 和睦的，融洽的 42 mutual adj. 共有的，共同的 42 rewarding adj. 值得做的，有意义的 42 It as an empty subject It做形式主语 What have we learnt about it 1. I dropped my watch and it broke. 2. There is a knock on the door. It must be the postman. 3. What’s this It’s a new machine. 4. It is Friday today. 5. It was very cold last Monday. 6. It lies in the south of Anhui. 7. It is about 8:30 now. 8. It is about 25km from my city to the capital. 9. It is 39 degree! You got a high fever! something somebody pronoun date weather place time distance temperature Lead-in Look at the sentences and answer the questions. Sentences (a) and (c) are from the reading passage. But it vital not to take any chances. c. It is important to remember that Ebola doesn’t respect national boundaries. 1 What does “it” refer to in sentences (a) and (c) “It” refers to “not to take any chances” in sentence (a) and “to remember that Ebola doesn't respect national boundaries” in sentences (c). Activity 1 1 But it vital not to take any chances. b. But not to take any chances is vital. c. It is important to remember that Ebola doesn’t respect national boundaries. d. To remember that Ebola doesn’t respect national boundaries is important. 2.What is the difference between the sentences in each group Why does the author choose to use sentences (a) and (c) instead of (b) and (d) The first sentences in each group use “it” as an empty subject at the beginning of the sentences. The reason why sentences (a) and (c) are chosen is that the sentences are kept balanced and the key information of the sentences is emphasized. Activity 1 Look at the sentences and answer the questions. Sentences (a) and (c) are from the reading passage. 1 Now look for more sentences with this structure in the reading passage. ...it was my duty as a doctor to go there and offer my help. It is so inspiring to have colleagues like Wilton, Maisy and Alfono, not mention all... ... it is absolutely essential for us all to collaborate to create a global community... Activity 1 It 作形式主语 位置 含义 翻译 指代内容 作用 句首 避免句子头重脚轻 真正的主语替换it 无含义 to do sth v-ing that从句 （1）不定式。句子的谓语可以是： ① be+形容词； e.g. It is important _____ (know) y ... ...
