Unit 8 The New Caves I.Teaching Aims 1 Get Ss to know a piece of exposition.it's structure.genre.etc 2.About the text,Ss should grasp the text content,text structure,basic and required gra nts of the section adjus deprive,extent,mob simplify,vary,,occupation someday,virtually,communication,elaborate,intense,stabilize,withdraw, endeavor.manmade.terminal Phrases Expressions:expose to,in the open,add to,on the stroke,at first thought,to a certain extent,deprive of,mind you,get away from Grammar:p212 3.About the reading.Ss should leam making the sound judgment 2 4.About the writing,Ss should learn paragraph writing skills. 5.About the listening.Ss finish the Unit 8 directed by teacher. II.Key and Difficult Points 1.New Words and Phrases 2.Complex Sentences III.Teaching Methods Discussion,explanation,ask and answer IV.Time:4 periods V.Teaching procedures: Step one Introduction 1.War P questions Give the students the following topics to discuss and then ask them to answer these questions (1)What do you think of the way people live today?Are you satisfied with our life now on the Earth's surface?Please give reasons to support your point of view (2What do you suggest to solve the urban housing problem? (3)Do you think it would be reasonable for human beings to make their houses underground?Why? 2.Background Information (1)The IceAges An ice age is the period in the earth'shistory when moving sheets of ice covered large regions of the world'sland surface.Earth scientists believe that there have bee several ice ages.The earliest known ice age occurred about 700 million years ago,and the most recent one,usually referred to as the Ice Age or the Pleistocene Ice Age began about 2 million years ago and continued to 10,000 or 15,000 years ago Unit 8 The New Caves I. Teaching Aims 1. Get Ss to know a piece of exposition, it’s structure, genre, etc. 2. About the text, Ss should grasp the text content, text structure, basic vocabularies and required grammar points of the section. Words: adjust, deprive, extent, mobile, simplify, vary, artificial, occupation, someday, virtually, communication, elaborate, intense, stabilize, withdraw, endeavor, manmade, terminal Phrases & Expressions: expose to, in the open, add to, on the stroke, at first thought, to a certain extent, deprive of, mind you, turn over, get away from Grammar: p212 3. About the reading, Ss should learn making the sound judgment 2. 4. About the writing, Ss should learn paragraph writing skills. 5. About the listening, Ss finish the Unit 8 directed by teacher. II. Key and Difficult Points 1. New Words and Phrases 2. Complex Sentences III. Teaching Methods Discussion, explanation, ask and answer IV. Time: 4 periods V. Teaching procedures: Step one Introduction 1. Warm-up questions: Give the students the following topics to discuss and then ask them to answer these questions. （1） What do you think of the way people live today? Are you satisfied with our life now on the Earth’s surface? Please give reasons to support your point of view. （2） What do you suggest to solve the urban housing problem? （3） Do you think it would be reasonable for human beings to make their houses underground? Why? 2. Background Information （1）The Ice Ages An ice age is the period in the earth’s history when moving sheets of ice covered large regions of the world’s land surface. Earth scientists believe that there have been several ice ages. The earliest known ice age occurred about 700 million years ago, and the most recent one, usually referred to as the Ice Age or the Pleistocene Ice Age began about 2 million years ago and continued to 10,000 or 15,000 years ago