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1、Unit 6 DesignLesson 1 A Matter of Taste 教材分析本课是本单元的第一课。教材围绕三个著名的画家以及他们的作品展开。大部分学生对绘画不是很了解，所以需要对相关简单的知识进行介绍并引出话题词汇。本单元的Warm-up 部分做了很好的铺垫，学生在此基础上了解三位画家及其作品，并学会如何描述绘画作品。 本课的难点在于对话题词汇的积累，以及运用适当的词汇来描述绘画作品。因此在几个活动中分层次帮助学生识记并运用这些词汇。 教学目标Enable the Ss to have a good understanding of the basic usage of prepo
2、sition. 教学重难点【教学重点】Help Ss grasp the usage of preposition of time, place and movement. 【教学难点】Use the target language to finish some exercises. 课前准备 A projector, some slides and a blackboard. 教学过程Step 1 PresentationPresent to students the definition and classification of preposition.介词(preposition)又叫
3、做前置词，一般置于名词之前。它是一种虚词，一般不重读，在句中不单独作任何句子成分，只表示其后的名词或相当于名词的词语与其他句子成分的关系。介词和它的宾语构成介词词组，在句中作主语、状语、表语、补语或介词宾语。介词可以分为时间介词、地点介词、动作介词、方式介词、原因介词、数量介词和其他介词。Step 2 ExplanationT: Today well mainly deals with three kinds of prepositions: preposition of time, place and movement. Lets see one by one.Preposition of
4、time1表示时间的介词有in，on和at。(1)表示某个世纪、年、月、季节、早上、下午、晚上用in。in 2007，in March，in springin the morning/afternoon/evening(2)表具体的某一天或某天的特定一段时间用on。on the 8th of March 2008，on the afternoon of 20th of May(3)在午间、夜间，在开头和结尾用at。at noon/night，at the beginning/end of2表示时间之前用before，之后用after或in。表示“在某段时间之后”，介词in短语常与将来时连用。a
5、fter与表示“某段时间”的词语连用时，句子谓语动词常用过去时。after与表示“某一特定时间”的词语连用时，句子动词用过去时、将来时均可。e.g.Well have to finish the work before rain season.雨季到来之前，我们得干完这些活。Please wait here.Ill come back in a few minutes.请在这儿等一下。我几分钟后就回来。He came back from abroad after two years.两年后他从国外回来了。Well come back after five oclock.我们将在五点以后回来。3
6、表延续的一段时间用for和since。for后只接表示一段时间的词语。而since只接表示特定时间点的词语。e.g. I have been here for two hours.我来这儿两小时了。I have worked here since 1996.自1996年以来，我一直在这儿工作。4by，during，till，until表时间。by表示时间点，表示“不迟于，到时候为止”。during可以表示一段持续的时间，也可以表示这段持续时间中的某一点或一刻，视具体情况而定。till与until也可以表示一段时间。一般来说，till在肯定句中与延续性动词连用，until则常用在否定句中，与瞬间
7、动词连用。e.g.Your son will be all right by supper time.到晚饭时你儿子就会好了。He called on me during my absence.他来看我时我不在。He had stayed in Shanghai till last week.他在上海一直待到上星期。Dont go away until I come back.我回来你才能离开。Preposition of place1表示地点的in和at。介词in通常表示大地方，而at通常表示小地方。所谓的大地方或小地方是相对而言的。He arrived at New York in Ame
8、rica two days ago.两天之前他到达了美国的纽约。2表示地点的at和to。at和to都可以表示“朝向”，但是at表示“以某一点为目标”，而to则单纯表示方向。Dont shout at me.别对我叫喊。This road leads to Paris.这条路通往巴黎。3.表示上下方位的词on 接触over/under 不接触，有锤子关系，正上方/ 正下方above/below 不接触，无垂直关系，仅仅高于或低于e.g.The moon was above the trees in the east.From the building ,we saw the lake below
9、 us .There was a big umbrella over my head and I felt cool under it .4. 常用来表示与某一点的关系： A 在B的范围内用in,在范围外用to,在接壤处用on e.g. Shanghai is in the east of China. Japan is to the east of China . Mongolia is on the north of China. near 在附近 next to 紧靠着 beside 在的旁边 in front of ,in the front of behind 在后面 between
10、 两者之间 among 三者之间 by 在近处，旁边 outside /inside在外面/ 里面Preposition of movementacross 平面的穿过 street/road/river/desert/bridgethrough 空间的穿过 (立体的) through the city/forest/mount/pipealong 沿着past 路过around /round绕着e.g. Walk along this street, you will see the hospital on your left.When I walked past the bank yest
11、erday, I happened to see a robbery.Many people like to walk around the West Lake in spring.Step 3 PracticeLet the Ss complete the exercise on Page37. This exercise will help the Ss review and practice the usage of prepositions.After the Ss finish the exercise, check the answers. Step 4 Consolidation
12、Ask students to finish the exercise on the screen to have a better understanding and pay attention to the mistakes they may make. Step 5 Summary and HomeworkT: In this period we have learned different kinds of prepositions and some preposition phrases. After class, please go over these prepositions and keep them in mind. Do Ex 1 ,2 and 3 on page 78 in Workbook. 教学反思略。4 / 4
