资源描述
Unit 5 The power of nature --- Language points
第一部分：Warming Up&Pre-reading&Reading
Learning aims
key words: erupt ; alongside; appoint; evaluate; wave;absolute; suit; potential; actual; shoot; anxious; panic; guarantee;
key phrase : burn to the ground; make one’s way to ; in the distance; glance through; vary....from; pick up
Key sentence:
1. however, the most important thing about my job is that....(表语从句)
2. This is because no one lives near the top of mount Kilauea...
3. I was about to go back to sleep when suddenly my bedroom became as bright as day.
4. ...but this being my first experience,i stayed at the top and watched them.(独立主格结构)
【合作探究】
Step One: 词汇精研
1、alongside
（1）在....旁边；沿着边；并排地
alongside of 与....并排;在....旁边
The police car pulled up alongside. 那辆警车在旁边停下。
（2）prep 在....旁边；与..... 同时；沿着...的边；与....一起
Many factories were located alongside rivers.______________________
He crossed the street and walked alongside the central park.______________
I travel to unusual places and work alongside people from all over the world.
______________________________________________________
2、appoint 任命；委派
appoint sb to be / as ....任命某人为
appoint sb to do sth 委派某人做某事
appointed time 规定的时间
She has been appointed ( as/ to be) monitor._______________________________
They appointed her to take care of that old man.____________________________
The time appointed for the meeting was 10:30.翻译_________________________
【知识链接】
appointment n. 任命;约会
have an appointment with sb 与某人有约
make an appointment with sb 与某人预约
【巩固训练】
(1)He’s been _________ as judge in the Supreme Court of the state of California.
A .determined B. appointed C. admitted D. assumed
(2) I have an appointment ___________ Dr Smith ,but i need to change it.
A. to B. off C .with D. from
(3) 用appoint 的 适当形式填空
Kate was _______ to act as secretary. Now she is making an ___________ with the manager of the marketing Department.
3、evaluate 评估；评价；估计
evaluate one’s ability 评估某人的能力
evaluate the value/ quality of sth 评估某物的价值/质量
evaluate + wh-clause 评估
I can’t evaluate his ability without seeing his work . __________________
【知识链接】evaluation n 评估，评价 self evaluation 自我评价
【巩固训练】
（1）We need to evaluate how well the method is working.___________________
4、burn to the ground全部焚毁,用于被动语态，构成be burnt/burned to the ground
________________________________ 这些房子全部被焚毁了。
5.wave
（1）n. 波浪；挥手； 飘扬；风潮，心潮
a wave of 一阵；一股
radio waves/ microwave 无线电波/ ___________
give sb. a wave 向某人挥手
A wave of anger swept over him. 他心底涌起一股怒潮。
He gives me a wave. ______________________________________________
(2) vi. 波动，飘动，起伏 vi./vt. 挥手，挥手示意，挥舞
wave one’s hand 挥手
wave to /at sb.向某人招手
wave sb. goodbye =wave goodbye to sb 挥手告别某人
My mother was crying as I waved goodbye to her._________________________
The weeping willow is waving in the breeze._______________________________
【巩固训练】
(1)她离开时向我挥了挥手。
She _______ _________ ________ ________ as she left.
(2) vt. 他挥手告别 She _______ her hand to say goodbye.
翻译句子
（1）她在窗口向我们挥手告别。_________________________________
（2）旗帜在风中飘扬。________________________________________
6. make one’s way
(1)前往；向....走去
She made her way to her house._____________________
If you want to make your way, you must work hard.________________________
【巩固训练】
（1） 看很多孩子正往沙滩走。
Look! Many children ________________________ the beach.
7. potential
(1)n.潜在；可能性；潜能；adj 可能的；潜在的
have great/lots of potential 有很大的潜力
have the potential to do sth 有做某事的潜力
The boy has great potential.______________________________________
Volcanoes have the potential to cause great damage._____________________
(2) adj. 可能的，潜在的
She was the first to realize the potential danger of their situations._______________
【巩固训练】
As a good teacher, she should use different ways to encourage all the students to realize their full _______ and achieve their goals.
A possibility B conception C difference D potential
Step Two: 重要句式
1、However the most important thing about my job is that I help protect ordinary people from one of the most powerful forces on earth --- the volcano.然而，最重要的是，通过我的工作我能保护人们免遭火山的威胁，火山喷发具有世界上最强大的破坏力。
注解： 这是一个主从复合句，that在此引导表语从句，that只起连接作用
【知识链接】
表语从句的引导词除了that之外，还有how，why，when, what, where, whether, because, as, as if/ as though等。如：
The problem is how we can get the things we need._____________________
That’s where he used to live._____________________________________
That’s what he said to me.____________________________________________
④That’s why he doesn’t want to see her again.____________________________
【巩固训练】
（1） I’d like to start my own business---that’s ________ I’d do if I had the money.
A why B when C which D what
2、Having collected and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast.收集和评估这些信息之后，我就帮助其他科学家一起预测熔岩接着将往何处流，流速是多少。
having collect and evaluated the information是现在分词短语的完成式。在句中作__________ 状语。
A. 如果分词所表示的动作在谓语动词所表示的动作之前发生，分词用完成时having done；
B. 如果分词所表示的动作与谓语动词所表示的动作（几乎）同时发生或发生在谓语动词之后，分词用V-ing.
【注意】现在分词短语的否定形式：not+ 现在分词短语
Not having received a reply, he decided to write again. __________________
【巩固训练】
_______the project, they had to stat there for another three weeks.
A. Not pleting B. Not pleted C.Not having pleted
3、I was about to go back to sleep when suddenly my bedroom became as bright as day.我刚要再睡，突然我的我是亮如白昼。
Sb was about to do when .........正要做，这时突然
Sb had just done when ......某人刚做完某事，这时突然
Sb was doing sth when .....某人正在做某事，这时突然
【巩固训练】
(1) Jim _______ a late-night film at home when, right in the middle of a thrilling scene,the television went blank.
A watched B had watched C was watching D would be watching
(2 )Tom was about to close the window ________his attention was caught by a bird.
A when B if C and D till
4、The other two climbed down into the crater to collect some lava for later study, but this being my first experience, i stayed at the top and watched them.另外两人爬下火山口去收集供日后研究用的熔岩，我是第一次经历这样的事，所以留在山顶上观察他们。
（1）句中but连接两个并列分句，第二个分句，this being my first experience 是代词+现在分词短语 构成的独立主格结构，在句中作原因状语。
语法功能: 作状语，表示原因，条件，让步，结果，伴随状况等
名词./主格pron./指示pron.+ 分词
语法构成 名词/主格pron./指示pron.+不定式
名词./主格pron./指示pron.+adj/adv/介宾短语
名词/主格pron./指示pron.+n.
特征: 意义上相当于一个句子，结构上并非如此
Time permitting, I will go and play with you. _______________________
The storm over ,everything was in peace again._______________________
There were 100 people in the room, the youngest a boy of 12.________________
【巩固训练】
（1）The party will be held in the garden,weather __________.
A permitting B to permit C permitted D permit
（2）He entered the room ,____________.
A his nose was red with cold B and his nose red with cold
C his nose red with cold D his nose been red with cold
【当堂检测】基础题
1、 火灾过后，他的房子被彻底烧毁了。（burn)
After the fire ,his house _______________________.
2、 尽管天黑了，但是我们还是朝着那个村子前进。（way）
Though it was dark ,we still _________________ to the village.
3、 那座房子不是很适合一大家子人住。（suitable）
The house is not really ____________ a large family.
4、 我们要任命谁为主席？（appoint）
Who shall we _________________ chairman.
5、 我爬上山，看到远处的房子里发出微弱的光。
【小结反思】
本节课我有如下收获_______________________________________________
此外，我的努力方向为____________________________________________
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