新概念英语第二册第20课_one_man_in_a_boat_独坐孤舟.pptVIP

Lesson 20 One man in a boat;1.What is your favourite pastime?;2.How much time do you usually spend on your pastime every week?; 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）