新概念英语第二册第20课 one man in a boat 独坐孤舟.ppt

New words and expressions park v. 抓到 fisherman n. 钓鱼人，渔民boot n. 靴子waste n. 浪费realize v. 意识到 Questions on the text: 1. What does the writer often do? 2.What do some fishermen catch? 3. What does the writer catch? 4. What is his friends’ suggestion? 5.Why is fishing the writer’s favourite sport? 【课文讲解】 1. I often fish for hours without catching anything. ①. (表否定)没有，无，不需。如： The letter was posted without a stamp. 那封信没贴邮票就寄出去了。 我们到了那儿，一路上没遇到任何麻烦。 We got there . 雨天外出不带伞会淋湿的。 You’ll get wet if . ②(用在no, not, never等否定副词之后，强调肯定)没有……不，没有……则不能……，每……必定……。如 The old man cannot walk without a stick. 那位老先生离开手杖就走不了路。 ③(与-ing形式连用)不，无，没。如： She entered the room without knocking. 她没敲门就进了房间。 我要是不懂得一点那个国家的语言，就不想到那个国家去。 I don’t like to go to a country without knowing something of the language. ④without+宾语+动名词 无人注意，他从窗户溜了出去。 , he slipped through the window. ⑤ without+宾语+过去分词 Without another word exchanged, they started off. 没有再交谈一句，他们就出发了。 ⑥用于虚拟语气 ??? without有时可表示条件，引出虚拟语气，与but for大致同义。如 Without [But for] appropriate software, a computer would be a mere box. 如果没有恰当的软件，电脑只是一个空盒子罢了 Without [But for] you, our project wouldn’t have succeeded.  如果没有你的话，我们的计划就无法成功了。 2.Instead of catching fish, they catch old boots and rubbish. prep.??代替,?而不是 ... ①作为短语介词，instead of 后面常跟名词、代词和动名词，偶尔也跟复合结构 I made this cake specially, with brown sugar instead of white. 我特别地以红糖代替白糖做了这个蛋糕。 他们必须自己做出决定，而不是由我们来代替他们作决定。 They must make up their own minds instead of our making up their minds for them. ② Instead of 后面还可跟形容词、副词、动词、不定式、介词短语和从句，这时相当于连词 Taking exercise every day makes him look younger instead of older. 每天锻炼身体使他显得更年轻而不是苍老。（连接形容词） I go to bed late instead of early. 我总是很晚才睡。（连接副词） That increased instead of decreased our courage. 这增加而不是减少了我们的勇气。（连接动词） He proposes to do some work instead of to watch t