This is English Unit Eight新..ppt

Unit Eight Leisure, Work and Animal I. Language Focus: 1.表示数量 a large /small proportion of 很大（小）比例的 the majority of 多数的 a minority of 少数的 后可接可数或不可数名词,谓语动词单复数由名词决定. A large proportion of/The majority of / A minority of children like pets. The majority of water is wasted. half (一半）；a third of (三分之一）； two thirds of (三分之二 ）； a quarter of (四分之一） I spend half the day working . I spend a third of the day working. under (少于）；over (多于）； more than (多于）； less than (少于） More than half of the students are girls. Less than 50% of the population owns a dog. 2. 现在完成进行时 形式：have/ has ( not )+ been doing ( 疑问词）+ have/has + 主+ been doing ? 用法： 1表示动作从过去开始，一直延续到现在，并将继续延续下去的动作。与for/since等时间状语连用时. I’ve been working here for three years. They have been talking since morning. 2. 动作从过去开始到说话时已停止，用来表示刚才一直在持续的动作。 Where have you been ? I have been waiting for you for an hour. The boys are very tired. They have been playing football all the afternoon. Notes: 状态动词， 如：love, hate, be, think, feel, hear,see, know,want等， 通常不用现在完成进行时，用现在完成时。 I have always liked animals. 现在完成时与现在完成进行时的区别I have painted the door.(动作已完成) I have been painting the door.(动作未完） 3. for/ since for+一段时间段 for a year / for a long time since+时间点/名词 since 1990 / liberation since + 主+谓（过去时） -------since I was young. I have been doing the work since this afternoon/1990. /since he came here. II. New Words: 1. aggressive adj. 侵犯的，挑衅的 aggressive weapons 攻击性的武器 aggressor n. 侵略者 aggression n. 侵略 2. criminal n. /adj.罪犯，犯罪的 criminal record犯罪纪录 3. decade 十年 two decades 二十年 4. decrease : go down 减少 increase 增加 5. duty He goes on duty at 8 a.m. and comes off duty at 5 p.m. 他上午八点上班，下午五点下班。 Who is on duty today ? 今天谁值日？ 6. fetch/take /bring Please fetch the children from school. 请到学校把孩子接来。 Please take an umbrella with you when you go to work today. My books are upstairs, will you bring them down ? 7. figure : number The figure is rising. 8. majority the majo