高中外研版 (2019)Unit 5 A delicate world教学课件ppt

阅读教材P56－57中的材料，选出最佳选项

1．What's the main idea of the passage?

A．The beautiful scenery of Shennongjia.

B．Rare animal and plant resources in Shennongjia.

C．People's efforts to protect Shennongjia.

D．The reason why Shennongjia was onto the UNESCO

World Heritage List.

2．How many criteria does Shennongjia meet required by the UNESCO World Heritage List?

A．Four.　　 B．Three.

C．Two. D．One.

3．Why is Shennongjia one of the most “complete” natural areas in the world?

A．The region rises from about 400 metres to over 3，000 metres above sea level.

B．The region has a great variation in climatic conditions.

C．There are a wide variety of species to thrive in this region.

D．All above.

4．Which of the following sentences is WRONG?

A．Shennongjia is named after the legendary father of Chinese herbal medicine，Shennong.

B．Before the 1980s，the number of the Golden Snub­nosed Monkeys is below 700.

C．The fact that the bees of Shennongjia have coexisted with the local people shows that people live in harmony with nature.

D．The wild animals in Shennongjia live naturally without human care.

5．What does “this” refer to in Para.5?

A．Over 3，000 plant species found in Shennongjia.

B．4，300 insect species recorded in Shennongjia.

C．All the creatures in Shennongjia.

D．More than 600 vertebrate species.

[答案]　1－5　DCDDA

Words and Phrases

知识要点1　break down (机器或车辆)出故障，抛锚，损坏；(讨论、关系或系统)失败，破裂，失灵；分解；感情失控(痛哭起来)；(身体)垮掉；捣毁；拆除；消除，破除(障碍或偏见)

(教材P54)　Decomposers break down dead animal and vegetable matter into nutrients.

分解者把死去的动植物分解成营养物质。

[例]　The car broke down just when I was about to depart.

就在我要离开的时候，汽车坏了。

[即学即练]　写出下列句子中break down的汉语意思/根据句意用break短语的正确形式填空

①The talks with the business leaders about finance broke down last night.破裂

②Because he was so kind and considerate to me，I broke down and cried.失控痛哭

③Women's sports are breaking down the barriers in previously male­dominated fields.破除

④Lead does not break down in the body，but builds up in it.分解

⑤It was wrong of the journalist to break away from the masses.

⑥They had escaped to America shortly before the tragic war broke out in 1939.

知识要点2　comparison n．比较；对比

(教材P56)　Data，examples and comparisons are then used to support the main ideas.

然后，使用数据、示例和比较来支持主要观点。

[例]　Comparison with other oil­producing countries is extremely interesting.

与其他石油生产国作比较是很有意思的。

[即学即练]　单句语法填空/完成句子

①The second half of the game was dull by comparison(compare) with the first.

②Film has a much shorter history，especially when compared(compare) to such art forms as music and painting.

③We Chinese also like to compare young people to flowers，as they are full of vigor and new ideas.

④我把自己的书写与她的书写进行了对比，然后意识到我还需要多加练习。

I compared my handwriting with hers and then realized that I needed to practice more.

知识要点3　on behalf of代表(＝on sb.'s behalf)

(教材P56)　Good morning，everyone.It is my great pleasure to give a lecture here on behalf of the Be at One with Nature Association.

大家早上好。我很开心能代表人与自然和谐相处协会在这里发表演讲。

[例]　The educator can't be here today，so I'm going to speak on behalf of him/on his behalf.

今天教育专家不能到这里来，所以我将代表他发言。

[即学即练]　单句语法填空/一句多译

①In the Western countries，“V” often stands for victory.

②我荣幸地代表我国政府向你提交如下统计数据。

Representing my government I have the honour to submit the following statistics to you.

＝On behalf of my government I have the honour to submit the following statistics to you.

知识要点4　rare adj.稀有的，罕见的

(教材P56)　It is also one of the rare locations in the world where scientists can observe in real time the ecological and biological processes that occur as the plants and animals develop and evolve.

第二，它也是世界上罕见的地方之一，在那里科学家可以实时观察植物和动物发展和进化时发生的与生态和生物有关的过程。

[例]　With rare exceptions，he does not appear in public now.

除了极其个别的情况外，他现在不公开露面。

[即学即练]　单句语法填空/同义句转换

①We rarely(rare) think of how it all affects the environment and humankind.

②It is rare for her to arrive(arrive) late.

③Grandpa was shocked by the news.I had rarely seen him so quiet.(改为倒装句)

→Grandpa was shocked by the news.Rarely had I seen him so quiet.

[名师点津]　rarely位于句首时，句子要部分倒装，有类似用法的否定副词还有never，little，seldom，hardly等。

知识要点5　secure adj.稳固的；可靠的；安全的 v．保护；保卫

(教材P57)　By providing the bees with a secure home，the villagers collect their honey in return.

通过给蜜蜂提供一个安全的家，村民们收集蜂蜜作为回报。

[例]　We shall make sure these endangered species are as secure as possible.

我们应该确保这些濒危物种尽量安全。

[即学即练]　单句语法填空/完成句子

①If an alarm gives you that feeling of security(secure)，then it's worth carrying.

②需要采取措施保护这些必需品不被恐怖分子抢劫。

Some measures are needed to secure the necessities from/against terrorists.

Sentence Pattern

重点句式　way作先行词时，其后的定语从句

(教材P57)　This is just one of the ways in which people of Shennongjia live and work in harmony with nature.

这只是神农架的村民与自然和谐相处的方式之一。

[句式分析]　in which在此引导定语从句，修饰先行词ways。

[例1]　What surprised me was not what he said but the way in which he said it.

使我吃惊的不是他说的话而是他说话的方式。

[例2]　I don't like the way in which he treats his father.

我不喜欢他对待他父亲的那种方式。

[即学即练]　单句语法填空/一句多译

①There is another way that/which you can choose to solve the problem.

②我不喜欢她跟你讲话的方式。

I don't like the way in which she speaks to you．

＝I don't like the way (that) she speaks to you．

同义改写

题干将原文中的词或词组换成另外的词或词组，词性和结构不变，意义相近。

[例文]

When I was six，Dad brought home a dog one day，who was called “Brownie”. My brothers and I all loved Brownie and did different things with her.One of us would walk her，another would feed her，then there were baths，playing catch and many other games.Brownie，in return，loved each and every one of us.One thing that most touched my heart was that she would go to whoever was sick and just be with them.We always felt better when she was around.

◆What would Brownie do when someone was ill in the family?

A．Look at them sadly.

B．Keep them company.

C．Play games with them.

D．Touch them gently.

[答案]　B

[即学即练]　请快速确定下面题目的正确答案。

When I was growing up in America，I was ashamed of my mother's Chinese English.Because of her English，she was often treated unfairly.People in department stores，at banks，and at restaurants did not take her seriously，did not give her good service，pretended not to understand her，or even acted as if they did not hear her.

◆Why was the author's mother poorly served?

A．She was unable to speak good English.

B．She was often misunderstood.

C．She was not clearly heard.

D．She was not very polite.

[答案]　A