新概念二册53课课件

★solve v. 解决 solve the mystery solve the problem ★snatch v. 抓住 catch v. 抓，如抓鱼 hold 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 • • • • • • •
• 4、Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away. • broken glass 被打碎的玻璃片 • cigarette ends 烟头 • 5、They were also quite sure that a cigarette end did not start the fire. • be able to 能够 ；be not able to 没有 能够 • be sure that 对……很有把握；quite sure 相当的把握性
★ power 1）电力，动力 electric power 电力 water power 水力 2）力,能力 （自然的体力、智力） His power is failing. 他的体力在衰退。 3）权力,支配力,势力 political power 政治权力 not within one’s power= beyond one’s power 力所不能及 我无法理解计算机是如何工作的。 It is beyond my power to understand how the computer works.
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【课文讲解】 1、Hot snake hot snake 触电的蛇 get an electric shock 触 电 2、At last firemen have put out a big forest fire in California. at last 最后，终于 put out a fire 扑灭火 （put out扑灭，熄灭，关掉） Please put the light/fire out. a fire 一场(堆)火
• 6、This morning, however, a firemen accidentally discovered the cause. • accidentally =by chance 偶然地 • discover本身含有偶然发现（某个已经存 在的东西）的含义 • I don’t know who discovered America. • 7、He noticed the remains of a snake which was wound round the electric wires of a 16,000-volt power line. • notice 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： •
• 3、Since then, they have been trying to find out how the fire began. • since then 从那时起，到现在为止 • find out （经过研究、努力等）找出，发 现，查出……（这里find out的宾语是个从 句） • I’ll try and find out the name of the person who saved my life yesterday.
• 9、A bird had snatched up the snake from the ground and then dropped it on to the wires. • had done 先发生的事 • drop 无意掉下去的 • 10、When it did so, it sent sparks down to the ground and these immediately started a fire. • do so 这么做 • I refuse to do so. 我拒绝这么做 • so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 so.
5 People are careless, aren't they? Yes, they are. 6 When did the firemen examine the ground? Yesterday. 7 Did they find any broken glass? No, they didn't. 8 Did they think a cigarette end started the fire? No, theydidn't.
What will happen when a snake meet an eagle which is right around a pole and electical wire ?
What will happen when a snake meet an eagle, right around the wire ?
• ② n. 原因，强调事情发生的直接原因(一 个) • because 因为 • reason 理由，其他各种的理由(很多个) • ★examine v. 检查 • examine the soil • 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 body
• 1.★hot adj. 带电的, 充 电的 • hot adj. 热的；新鲜的；棘 手的；带电的, 充电的 • hot-hot-hot 麻辣烫； • hot-wings 辣鸡翅；hot dog 热狗 • hot-tempered 火暴(脾气)的 （temper n. 脾气） • hot line 热线； • hot topic 热门话题 • It sells like a hot cake/cakes. 表示一个东 西的畅销, 热销
They caues a fire.
【New words and expressions】（13） hot adj. 带电的，充电的 fireman n. 消防队员 cause v. 引起； n. 原因 examine v. 检查 accidentally adv. 意外地，偶然地 remains n. 尸体，残骸 wire n. 电线 volt n. 伏特（电压单位） power line 电力线 solve v. 解决 mystery n. 谜（无法接受地, 解释不 了的） • snatch v. 抓住 • spark n. 电火花 • • • • • • • • • • • •
• The villagers were surprised to see the remains of an aeroplane near the lake. • 16,000-volt power 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, 能够加连字符的概念一定是 做定语
When he reached the top of the pole, he didn’t know whtat to do.
He decided to get down, but unfortunately, he was killed for touching the wire.
Finally, he fallen from the pole and passed away.
Lesson 53 Hot snake
A True Story
A bear went out of the zoo to search his child. Surrounded by so many people , he climbed the electrical pole out of panic(惊慌).
★ wire n. 金属线，电线 他用一根金属线把筐绑到了自行车上。 He tied a basket to the bicycle with a piece of wire. telephone wires 电话线 Electric wires 电线 wireless adj. 无线的 wireless telegraphy 无线电报 ★volt n. 伏特 voltage n. 电压,伏特数
Comprehension questions
1 Where was there a big forest fire? In California. 2 Have firemen put it out? Yes, they have. 3 What have they been trying to find out since then? How the fire began. 4 What are forest fires often caused by? Broken glass or cigarette ends.
• ★wind vt. 缠绕，卷在……上；盘旋，蜿 蜒 • ① vt. 缠绕，卷在……上（常与 around/round连用） • Did you wind this piece of wire round the tree? • ② vt. 蜿蜒，盘旋 • wind one's way 蜿蜒而行 • 8、In this way, he was able to solve the mystery. • in this way 就这样
• ★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. to do sth. 引 起某人做某事, 导致某人做某 事 • Illness caused him to lose his temper. • (lose one’s temper 发火)
9 They were quite sure it didn't, weren't they? (Yes, they were. ) 10 When was the cause discovered? (This morning. ) 11 Who discovered it? (A fireman did. ) 12 Was it what he was looking for? (No, it wasn't. )
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best seller 畅销的东西 hot potato 棘手的问题 hot news 最热点的新闻 2.★fireman n. 消防队员 hydrant n. [ˈhaɪdrənt]消防栓, 消防龙头 fire extinguisher [ɪkˈstɪŋgwɪʃə] 灭火器 （extinguisher n. 熄灭者, 灭火器） extinguish＝put out 灭火
பைடு நூலகம்
• rather adv. 相当 • fairly [ ] adv. 相当, 公正地, 诚实地 • quite(＝completely)－>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）