大学英语教案Unit 2 Deer and the Energy CyclePreview:1. Learn the vocabuary and read through the text2. ScanningDirections: Scan the text and discuss in pairs, list the facts aboutthe life of deer in four seasons.Summer:adult males:adult females:fawns:Fall: Winter: Spring:Period 1-2 Background Information and Global ReadingI. Warm-up and Background Information2. 卡尔达舍夫等级1964 年，俄罗斯天体物理学家尼古拉-卡尔达舍夫提出了这样一个理论：他认为人类文明的技术进步与将其国民可控制的能源总量息息相关。根据这条思路，他从低到高确定了银河系中文明发展的三种类型：大学英语教案类型 I ：该文明是行星能源的主人，这意味着他们可以主宰整个世界能源的总和。类型 II ：该文明能够收集整个恒星系统的能源。类型 III ：该文明可以利用银河系系统的能源而为其所用。II. Global Reading2. Questions and Answers part 2-318-20Period 3-4 Detailed ReadingPart One (1) It is energy, not love or money, that makes theworld go round.Some persons say that love makes the world go round. Othersof a less romantic and more practicalturn of mind say that it isn'tlove; it's money. But the truth is that it is energy that makes theworld go round. Energy is the currency of the ecological systemand life becomes possible only when food is converted into energy,which in turn is used to seek more food to grow, to reproduce and tosurvive. On this cycle all life depends.1.2. turn n. a natural tendency; inclination3. currency n.4. ecological a.ecology n.大学英语教案5. convert vt. change (from one form, use, etc. into another);cause (a person) to change his beliefs, etc.convert into;convert from; convert to 改信6. 1) in due course or succession 2) one after anotherHe that shuts Love out, in turn shall be shut out from Love.(Tennyson)by turnsat the turn (of the century7.paragraph 2-6It is fairly well known that...
