新概念英语第二册课件Lesson53（共17页）

这是一份新概念英语第二册课件Lesson53（共17页），共17页。

【New wrds and expressins】生词和短语 ★ht adj. 带电的, 充电的 ht adj. 热的；新鲜的；棘手的；带电的, 充电的 ht-ht-ht 麻辣烫；ht-wings 辣鸡翅；ht dg 热狗 ht-tempered 火暴(脾气)的 （temper n. 脾气） ht line 热线；ht tpic 热门话题 ht cake 热蛋糕 It sells like a ht cake/cakes. 表示一个东西的畅销, 热销 best seller 畅销的东西 ht ptat 棘手的问题 ht news 最热点的新闻
★fireman n. 消防队员 hydrant n. 消防栓, 消防龙头fire extinguisher 灭火器 （extinguisher n. 熄灭者, 灭火器） extinguish＝put ut 灭火
★cause v.& n. 引起；原因 ① v. 引起 cause sth. 引起麻烦 Carelessness causes accidents.粗心导致事故 Pride causes failure. 骄傲使人失败 cause sb. t d sth. 引起某人做某事, 导致某人做某事 Illness caused him t lse his temper. (lse ne’s temper 发火) ② n. 原因，强调事情发生的直接原因(一个) because 因为 reasn 理由，其他各种的理由(很多个)
★examine v. 检查 examine the sil check v. 核实, 核对 ★accidentally adv. 意外地, 偶然地 (但更趋向于 “偶然” 的意思) accident－>accidental－>accidentally accident n. 事故 unexpectedly adv. 出乎意料地(更趋向于 “意外” 的意思) ★remains n. 尸体, 残骸 remains指 dead bdy
★slve v. 解决 slve the mystery slve the prblem ★snatch v. 抓住 catch v. 抓，如抓鱼 hld v. 握着 snatch v. (突然抓起来)强调动作的突然性 seize v. 抓住(用力) seize my arm
【课文讲解】 1、Ht snake ht snake 触电的蛇 get an electric shck 触电 2、At last firemen have put ut a big frest fire in Califrnia. at last 最后，终于 put ut a fire 扑灭火（put ut扑灭，熄灭，关掉） Please put the light/fire ut. a fire 一场(堆)火
3、Since then, they have been trying t find ut hw the fire began. since then 从那时起，到现在为止 find ut （经过研究、努力等）找出，发现，查出……（这里 find ut的宾语是个从句） I’ll try and find ut the name f the persn wh saved my life yesterday. 4、Frest fires are ften caused by brken glass r by cigarette ends which peple carelessly thrw away.brken glass 被打碎的玻璃片 cigarette ends 烟头
5、They were als quite sure that a cigarette end did nt start the fire. be able t 能够 ；be nt able t 没有能够 be sure that 对……很有把握；quite sure 相当的把握性 rather adv. 相当 fairly adv. 相当, 公正地, 诚实地 quite(＝cmpletely)－>rather－>fairly 程度一个比一个轻 quite a few 颇有几个(相当多的) start a fire＝cause a fire （start vt. 使……发生，引起）
6、This mrning, hwever, a firemen accidentally discvered the cause. accidentally =by chance 偶然地 discver本身含有偶然发现（某个已经存在的东西）的含义 I dn’t knw wh discvered America.
7、He nticed the remains f a snake which was wund rund the electric wires f a 16,000-vlt pwer line. ntice 注意别人没注意的东西 the remains表示“尸体，残骸”，必须用复数形式： The villagers were surprised t see the remains f an aerplane near the lake. 16,000-vlt pwer line 连字符“-” 一旦加在两个词之间, 这个词之间就失去了加复数的资格, ★wind vt. 缠绕，卷在……上；盘旋，蜿蜒 ① vt. 缠绕，卷在……上（常与 arund/rund连用） Did yu wind this piece f wire rund the tree? ② vt. 蜿蜒，盘旋 wind ne's way 蜿蜒而行
have been watching
8、In this way, he was able t slve the mystery. in this way 就这样 9、A bird had snatched up the snake frm the grund and then drpped it n t the wires. had dne 先发生的事 drp 无意掉下去的 10、When it did s, it sent sparks dwn t the grund and these immediately started a fire. d s 这么做 I refuse t d s. 我拒绝这么做 s常用于一些动词之后，代指前面提过的某个动作/某件事，以免重复 I think/believe s.
【Special Difficulties】 Thrw t，Thrw at and Thrw away thrw作及物动词主要含义为“投，掷，抛，扔”。 thrw t (sb.) 扔给（某人） He threw the ball t me and I caught it. thrw at 对准某一目标扔 The by threw a stne at the windw and brke it. thrw away 扔掉，丢弃 Many peple thrw away cigarette ends carelessly.
Cause and Reasn cause ① n. 原因，起因； D yu knw the cause f the war? What was the cause f the delay? ② v. 使……产生/发生，引起 cause sth. 导致, 引起 What caused the accident? cause sb. t d sth. 导致某人做某事
reasn ① n. 理由，原因 Give me yur reasns fr ging there. What was the reasn fr the delay? 作“原因”讲时，reasn与 cause可以互换，但reasn与介词fr 连用；而cause则与介词f连用。 reasn后面通常跟why引导的从句： That was the reasn why the meeting was put ff. ② v. 推理，劝导，说服 reasn with sb. 劝说(以道理) Hw can yu reasn with him when he is s wrried?
Drp and Fall drp vi.&vt. （使）掉下，（使）落下，放下（强调的是不小心掉下来） As he walked past the tree, an apple drpped frm it. The waiter drpped a frk. fall vi. 落下，（雨、雪）下，降，跌倒，摔倒（强调的是掉下来的概念, 动作） I fell and hurt myself. When leaves fall in autumn, I’ll cme back.