计算机英语70599.pptVIP

Computer English 2010.9 What will we focus on? specialized vocabularymemory, speech recognition, grid computing… how to read a text extensive reading, intensive reading grammarsentence structure 句法回顾 按句子的用途可分四种： 1）陈述句（肯定、否定）： He is six years old. 2）疑问句（一般、特殊、选择、反意）： Do they like skatingHow old is he? Mary can swim, can’t she? 3）祈使句：Be careful, boys.Please don’t talk in class. 4）感叹句：How clever the boy is! 句法回顾 按句子结构进行分类： 1 简单句只有一个主语（或并列主语）和一个谓语（或并列谓语）e.g. He often reads English in the morning.Tom and Mike are American boys.She likes drawing and often draws pictures for the wall newspapers. 句法回顾-简单句我们可以给句子的动词加上副词修饰，给名词加上形容词、介词短语修饰，给句子加上状语进行修饰等，以使整个句子的意思变得更加的丰富和充实。但不管如何变，都只有一个主谓结构。He worked hard all his life. (划线部分在句中作状语，修饰动词worked)He is a school student in No. 1 Middle School. (划线部分在句中作定语，修饰名词student) 句法回顾 2 并列句句型：简单句+并列连词+简单句并列句是由两个或两个以上的简单句连接而成。并列句中的各简单句意义同等重要，相互之间没有从属关系，是平行并列的关系。它们之间用连词连结。e.g. You help him and he helps you.The future is bright; the road is tortuous. 句法回顾-并列句 a.表示连接两个同等概念常用and, not only…but also…, neither…nor…, then等连接。e.g. The teacher’s name is Smith, and thestudent’s name is John. b.表示选择常用的连词有or, either…or…, otherwise等。e.g. Hurry up, or you’ll miss the train. 句法回顾-并列句 c.表示转折常用的连词有but, still, yet, while等。e.g. He was a little man with thick glasses, but he had a strange way of making his classes lively and interesting. d.表示因果关系常用的连词有so, for, 等。e.g. August is the time of the year for rive harvest, so every day I work from dawn until dark. 句法回顾 3 复合句 含有一个或一个以上从句的句子。从句包括定语从句、名词性从句（主语从句、宾语从 句、表语从句和同位语从句)和状语从句等。句型：主句+连词+从句；或连词+从句+主句The foreign visitors took a lot of pictures when they were at the Great Wall. 句法回顾-复合句 定语从句 名词性从句 状语从句 定语从句定语从句（Attributive Clauses）在句中做定语，修饰一个名词或代词，被修饰的名词、词组或代词即为先行词。定语从句通常出现在先行词之后，由关系词（关系代词或关系副词）引出。关系代词：who，whom，whose，that，which关系副词：when，where，why等。 定语从句 1. 关系代词引导的定语从句 2. 关系副词引导的定语从句 3. 限制性和非限制性定语从句 4. 其他特殊定语从句结构 关系代词引导的定语从句关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。关系代词在定语从句中做主语时，从句谓语动词的人称和数要和先