2010届高三一轮复习教案
Unit 10 The world around us
⊕考纲要求：
◆ 考纲规定的考试范围:
1. 重点单词与短语：fur; lead; jungle; environment; tour; act; measure; adapt; original; devote; common; valuable; reduce; respond; amount; package; flat; material; topic; organize; brief；in danger; die out; lead to; as a result of; take measures; adapt to; make a difference; devote…to; at prent; t free; in the wild; throw away
2. 句型
We human beings could not survive without all plants and animals around us. 表双重否定
We may be able to take measures before it is too late. before 的译法
Steve Jones tries to keep animals and plants from becoming endangered. 表示“阻止某人做某事”
3. 语法：直接引语和间接引语(陈述句、一般疑问句、特殊疑问句和祈使句)
◆ 复习本章要达到的目标
1. 掌握lead; tour; act; measure; adapt; devote; common; valuable; reduce; respond; amount; material; organize; brief；in danger; die out; lead to; as a result of; take measures; adapt to; make a difference; devote…to; at prent; t free; in the wild; throw away 等重点单词及短语的用法。
2. 掌握双重否定的用法；before 的译法；灵活运用直接引语和间接引语来表达意思。
⊕教材知识归纳
◆知识归纳
1. Why are they in danger?
(1)danger的用法：
① 危险(不可数)
That's where the real danger lies.
那是真正的危险所在。
②危险(物);威胁(可数)
They regard overpopulation as a danger to society.
情归同里
他们把人口过剩看成是对社会的威胁。
相关归纳：
1 in danger 处于危险之中
His life is in danger.他生命有危险。
2 out of danger 脱离危险
The wounded policeman is now out of danger.
受伤的警察已经脱离危险。
3 be in danger of doing sth. 陷入某种危险之中
He is in danger of losing his job if he goes on like this.
他再这样下去会丢掉工作的。
sb./sth. be dangerous 某人或某物是能带来危险的（指主语本身会给周围的人或物造成的危险。）
The busy road is dangerous to small children.
道路拥挤繁忙，对小孩太危险。
The prisoners who escaped are violent and dangerous.
这些逃犯残暴而危险。
endanger vt. 危害，危及（某人/ 某事物）; 使遭受危险
Drunk-drinking can not only cau traffic accidents, but also endanger the lives of pedestrians.
酒后驾车不仅会造成交通事故，而且会危害到行人的生命
2. Why is it important to make sure that animals do not die out.
(1)die out
（指家族、物种等）死光，灭绝；
The habitat of the species is being destroyed and has nearly died out.
这一物种因栖息地遭到破坏，几乎灭绝了。
（指习俗、做法、观念等）消失，过时；
The practice of children working in factories has nearly died out.
工厂中使用童工的做法已几乎绝迹。
（指火）熄灭。其后不接宾语
脑瘫治疗
It took a long time before the big fire died out . 过了很长一段时间那场大火才渐渐熄灭。
(2)die from ：常用于由于外部创伤或间接的原因致死
He died from an accident /a wound/ overwork /polluted air /carelessness.
他死于事故 /受伤/过度劳累 / 污染的空气 / 粗心。 ]
(3)die of：一般用于害病，疲劳，寒冷，饥渴，年老，失望，悲伤等感情原因造成死亡
He died of joy/ fear /disappointment / grief /old age /hunger /cold.
他死于高兴 / 恐惧 / 失望 / 悲伤 /年老 /饥饿 /寒冷。
(4)die for “为…而死，为…献身”，表示因为事业或目的而死
煎蛋 The soldiers died for his country / the revolutionary cau / the people / liberty / the national dignity.战士为国家/ 革命事业/ 人民/ 自由/ 国家的尊严而献身。
体验中心To die for the people is an honour, not a misfortune.为人民而死是荣誉，不是不幸。
(5)die off 表示相继死去，直到绝种的意思，其后不能接宾语
The members of the family had all died off.这家人一个个都死了。
精彩英语怎么说 The poor children died off becau of lack of food.由于缺乏食品孩子们一个个死去。
(6) be dying for sth./to do sth. 渴望…
I’m dying for something to eat.我极想吃点东西。
He is dying to know where you’ve been.他极想知道你去哪里了。
3.As a result of the river’s pollution, the fish in it died off.
(1).as a result of由于……的结果=as a conquence of
巴塔耶As a result of the fire, thousands of people lost their homes.
由于那场大火，数千人失去了家园。
(2)as a result 结果=as a conquence
He was caught in the rain. As a result, he had a bad cold.
他挨了雨淋，结果患了重感冒。
He made one big mistake, and as a result, lost his job.
山高人为峰
他犯了个大错，结果丢了工作。
(3)result from发生,产生
His failure resulted largely from his laziness.
他的失败主要是懒惰所致。
Her injury resulted from a fall.她因摔倒而受伤。
(4) result in结果;导致
The accident resulted in ten deaths.
这次事故造成十人死亡。
Hard work results in success.努力工作就能成功。
儿童花瓶简笔画4. We don’t always do as we say.
do 用作不及物动词的几种情况：
（1） 指人、物以及形势的进展情况(多用于进行时)。
How are you doing in your English.
你英语学的怎么样？
How is she doing? 她过的怎么下？
侧重讲述做的方式而不是内容时
Plea do as you like.
按照你喜欢的方式做事。
（3） 做适合；行，可以等意思
The sofa will do for a bed.
这个沙发可以用作床。
If you don’t have a pen, a pencil will do.
如果你没有钢笔的话，铅笔也行。
5. We may be able to take measures before it is too late.
现在采取措施也许为时不晚。
(1) before的用法：
①before用作连词时，意思是“在……之前；还没来得及 …… 就”。例如：
Before she could move, she heard a great noi, which grew to a terrible roar. 她还没来得及动弹，就听见有很响的声音，接着就成了可怕的隆隆轰鸣声。
Before I could say a word, she had stormed out of the room. 不等我说一句话，她就冲出了房间。
Don’t count your chickens before they are hatched. 不要高兴得过早。
②用于It be 时间段 句型中，意思是“在……之后才……”。
It will be five years before I come back.
我五年后才能回来。
It was not long before the enemy was driven out of their country. 不久之后，敌人就被赶走了。如果主句中用否定式，则表示“不多久……就”。
It won’t be long before they understand each other. 他们不久就会互相了解的
