3.新二完美讲义lesson53教师版

1、Lesson 53 Hot snake阅读理解1. What usually causes fire? Broken glass and cigarette ends.2. What is the cause of this forest fire? Remains of a snake.单词详解1. hot adj. 带电的，充电的hot还可以解释为：Strike the iron while it is hot. 趁热打铁。This dish is a bit hot. 这道菜有些辣。I could not bear his hot temper. 我忍受不了他那急躁的脾气。Lately,

2、 global warming has become a very hot issue. 近来，全球变暖已经成为一个相当热门的话题。2. fireman n. 消防队员3. cause v. 引起；n. 原因e.g. What caused his illness? = What was the cause of his illness?4. examine v. 检查翻译：医生仔细地为她做了检查。The doctor examined her carefully.词组：physical examination 体检5. accidentally adv. 意外地，偶然地翻译：I accide

3、ntally overheard what they were saying. 我偶然听到他们的谈话内容。6. remains n. 尸体，残骸翻译：She cried loudly over her fathers remains.她对着她父亲的遗体放声大哭。If you dont mind, we still have some remains of lunch. 如果你不介意，我们还有中午的剩饭剩菜。7. wire n. 电线8. volt n. 伏特（电压单位）9. power line 电力线10. solve v. 解决派生：solution n. 解决办法11. mystery

4、n. 谜派生：mysterious adj. 神秘的12. snatch v. 抓住13. spark n. 电火花翻译：A single spark can start a prairie fire. 星星之火可以燎原。课文解析1. At last firemen have put out a big forest fire in California.词组：put out 扑灭put up搭建 put on穿put off 延期 put up with 忍受(教学说明：老师可以口头给出上下文，让学生猜测以上词组的意思。【学生版不出现】)2. Since then, they have be

5、en trying to find out how the fire began.词组：since then 从那以后 = from then on是完成时的标志语法：how the fire began是宾语从句3. Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.词组：be caused by 由引起翻译：The accident was caused by human error. 这宗事故是人为过失造成的。词组：broken gla

6、ss碎玻璃 cigarette end烟蒂词组：throw away 扔掉throw to 把扔给 throw at 把朝扔去运用：The boy threw a stone at the window and broke it.He threw the ball to me and I caught it.It is a waste to throw away food.4. Yesterday the firemen examined the ground carefully, but were not able to find any broken glass. They were al

7、so quite sure that a cigarette end did not start the fire.辨析：sure 人做主语 V.S. certain 物做主语翻译：他会成功是无疑的。It is certain that he can succeed.我们确信他会成功。We are sure that he can succeed.语法：adj. + that 引导的宾语从句（详见语法重点）5. This morning, however, a fireman accidentally discovered the cause.辨析：cause V.S. reason HYPE

8、RLINK javascript:void(0); cause指直接导致事情发生的原因，与所发生的事有因果关系，结构cause of sth.； HYPERLINK javascript:void(0); reason强调指从逻辑推理上得出的结论性原因，不是直接说明起因，结构reason for sth.。运用：Smoking can cause lung cancer（肺癌）.Thats the reason why he left.Police are investigating（调查）the cause of the explosion.6. He noticed the remains

9、 of a snake which was wound round the electric wires of a 16,000-volt power line.单词：wound 原形wind复习：The stream wound its way across the field and then flowed right under their tent. (Lesson 27) 弯弯曲曲穿过田野（老师口头示例）【学生版不出现】7. In this way, he was able to solve the mystery.词组：in this way 用这种方法词组：solve the m

10、ystery 解开谜团8. The explanation was simple but very unusual.单词：n. explanation v. explain（注意拼写）9. A bird had snatched up the snake from the ground and then dropped it on to the wires.辨析：drop V.S. fall HYPERLINK javascript:void(0); fall表示自动下落； HYPERLINK javascript:void(0); drop既可以指代自动下落，也可以指代人为扔下去。运用：I

11、dropped the glass on the ground which smashed into pieces.He fell down the stairs and broke his leg.10. The snake then wound itself round the wires. When it did so, it sent sparks down to the ground and these immediately started a fire.这里so指代什么？指代wound itself round the wires词组：start a fire起火语法重点形容词+宾语从句宾语从句一般跟在动词后面。I hope that it will rain.宾语从句有时候也跟在形容词后面。EX. 找出以下句子的宾语从句部分并且口头翻译。1. I am afraid that you are wron