高中英语人教版 (2019)必修 第二册Unit 2 Wildlife protection教学ppt课件

1．threat n．威胁→threaten vt.威胁；危及

2．hunt vt.& vi.打猎；搜寻；追捕→hunter n．猎人

3．rate n．速度；(比)率 vt.划分等级→rating n．等级；级别

4．extinct adj.已灭绝的→extinction n．灭绝

5．press vt.压；按→pressure n．压力；要求

6．concern vt.涉及；让……担忧→concerned adj.担心的；关切的

7．legal adj.法律的；合法的→illegal adj.不合法的；非法的→illegally adv.不合法地；非法地

8．alarm vt.使惊恐；使害怕；使担心 n．恐慌；警报；警报器→alarming adj.惊人的；使人惊恐的→alarmed adj.担心的；害怕的

9．intend vi.& vt.打算；计划；想要→intention n．打算；目的

10．exist vi.存在；生存→existence n．存在；生存

1．rate n．速度；(比)率 vt.划分等级；评价；评估

①Most people walk at an average rate of 5 kilometres an hour. n.速度

②The birth rate of that country is reducing. n.(比)率

③China and India are rated as the most attractive markets now. v.评价

2．reserve n．(动植物)保护区；储藏(量) vt.预订；预留；保留

①These seats are reserved for the elderly and women with babies. vt.预留

②I'd like to reserve a table for three for eight o'clock. vt.预订

③We set up a wildlife reserve to protect endangered elephants. n.保护区

3．observe vt.观察(到)；注视；注意到；遵守；庆祝

①Chinese all over the world observe the Spring Festival. vt.庆祝

②I observed that several students were asleep in class. vt.注意到

③As a middle school student，he should observe the school rules and traffic regulations.              vt.遵守

Words and Phrases

知识要点1　(教材P14)Our planet's ________ is dying out at an alarming rate.

我们星球的……正在以惊人的速度消亡。

(1)die out灭亡；逐渐消失；逐渐熄灭

[例1]　With society developing，many old customs are dying out.

随着社会的发展，许多古老的风俗在逐渐消失。

[例2]　Once the fire has died out，the rescue team will move in.

一旦大火熄灭，救援队就会马上进入。

[即学即练]　用die的相关短语填空

①His footsteps died away in the darkness.

②The excitement died down as time went by.

③It used to be considered part of a young man's duty to die for his country.

④Because of the snowstorm，the sheep that the old man raised died off．

(2)alarming adj.惊人的；使人惊恐的

[例1]　It is true that the earth's resources are running out at an alarming rate，so we should make good use of them.

的确，地球资源正以惊人的速度耗尽，所以我们应该好好利用它们。

[例2]　This idea seems to become less alarming.

这个想法似乎就变得不那么可怕了。

[即学即练]　单句语法填空

①The disease has spread at an alarming(alarm)rate.

②People began to feel alarmed(alarm)about the cholera.

③She sat up in alarm when she heard a strange noise.

[小片段填空]

We were alarmed at the alarming scream as the scream did alarm us.

我们被那令人惊恐的尖叫声吓了一跳，因为那叫声的确使我们感到惊恐。

知识要点2　aware of意识到；知道

(教材P14)We must make people aware of the problem and help________the endangered wildlife before it's too late!

我们必须让人们意识到这个问题，并及时帮助……濒危野生动物！

[例1]　In conclusion，people around the world should be well aware of the real situation of water shortage.

总之，全世界的人们都应该清楚地知道水资源短缺的真实情况。

[例2]　The failure made me aware of my own shortcomings.

这次失败使我意识到了自己的缺点。

[即学即练]　单句语法填空/一句多译

①People should be made aware of the lack of water.

②She hadn't read the letter and so was unaware(aware)of its contents.

③It is important that students develop the awareness(aware)of how the Internet can be used.

④她还没意识到她做错了。

She was not aware of having done wrong．

→She was not aware that she had done wrong．

→She was not aware of what she had done was wrong．

[名师点津]　

 (1)aware后跟名词性从句时，一般从句前不能用of，但在what从句前必须用of。

(2)修饰aware可用well，much，very much，fully，但不用very。

(3)be aware后一般不接不定式。

知识要点3　concerned about对……关切的；为……担忧的

(教材P15)I'm concerned about the African elephants.

我很担心非洲大象。

[例1]　She is concerned about/for her son's future.

她为她儿子的未来担忧。

[例2]　You will tell your friend that you are concerned about him and you will meet after class and talk then.

你会告诉你的朋友你很关心他，下课后你们会见面交谈。

[即学即练]　单句语法填空

①As far as I'm concerned(concern)，I totally disagree with your opinion.

②He asked several questions concerning(concern) the future of the company.

③Nowadays people are more concerned(concern) about the environment where they live.

[小片段填空]

The story concerns the prince's efforts to rescue Pamina.He was concerned that she might miss the turning and get lost.All the difficulties concerning Pamina were solved by the prince.

这个故事讲的是王子奋力解救帕米娜。他担心她可能会错过转弯的地方而迷路。所有与帕米娜有关的难事都被王子解决了。

知识要点4　adapt vi.适应  vt.使适应；使适合；改编

(教材P15)Elephants need large living spaces，so it's difficult for them to adapt to the changes.

大象需要很大的生存空间，所以它们很难适应变化。

[例1]　It was the culture that made it hard for him to adapt to/adapt himself to the new environment abroad.

文化使得他很难适应国外的新环境。

[例2]　Three of her novels have been adapted for television.

她的小说中有三本已被改编成电视剧。

[名师点津]　

 adapt (oneself) to中的to为介词，其后跟名词、代词或动名词作宾语。

[即学即练]　单句语法填空

①He will be adaptable(adapt) to the new job.

②This text is adapted from a story in Chinese Literature.

③This building has been adapted for the dormitory(寝室)of the students.

④A desert plant adapts to living(live)in a dry habitat.

⑤The play is an adaptation(adapt)of a short novel.

知识要点5　measure n．措施；方法 vt.测量；度量；估量

(教材P15)What measures are being taken to help them?

正在采取什么措施来帮助它们呢？

[例1]　The room measures 10 metres across.

这个房间宽十米。

[例2]　Education shouldn't be measured purely by

examination results.

教育不应该仅仅用考试结果来衡量。

[名师点津]　

 measure表示“量度为”时，是系动词，后跟测量结果，不用于被动语态及进行时。类似用法的单词还有weigh。

[即学即练]　单句语法填空

①Obviously，it is high time that we took some measures(measure) to solve the problem.

②It can not be measured(measure) in terms of money.

③The government has promised to take measures to help(help) the unemployed.

④The house is more than twenty meters long and measures(measure) six meters in width.

[小片段填空]

Think about measures of measuring the weight of the elephant.

思考测量大象重量的办法。

知识要点6　remind vt.提醒；使想起

(教材P16)I'm also reminded of the danger they are in.

我也意识到了它们所处的危险。

[例1]　I don't want them to remind me of her.

我不想因它们而想起她来。

[例2]　Reminded not to drive after drinking，some drivers are still trying their luck，which is really dangerous.

尽管被提醒不要酒后驾车，一些司机仍然心存侥幸，这十分危险。

[即学即练]　单句语法填空

①The photo will remind me of/about the days when we were together.

②In our childhood，we were often reminded(remind)by Grandma to pay attention to our table manners.

③We put up a board to remind people to protect(protect) the trees.

④I have to remind myself that I have travelled to the year AD 3005.

知识要点7　intend vi.& vt.打算；计划；想要

(教材P16)The government，however，does not intend to stop the protection programmes，since the threats to the Tibetan antelope have not yet disappeared.

然而，政府并没有打算停止这些保护项目，因为对藏羚羊的威胁依然存在。

[例1]　The meeting is intended to deal with some important problems.

开这个会的目的是想解决一些重要问题。

[例2]　I intend to join/joining a Dragon Boat Training Camp.I wonder if you'd like to go with me.

我打算参加龙舟训练营，我想知道你是否愿意和我一起参加。

[即学即练]　单句语法填空/完成句子

①The school being built at present is said to be intended for the disabled children.

②This program was set up with an intention(intend)of providing help to homeless people.

③The book intended(intend)for the disabled in this area has been published.

④这是非饮用水。

The water is not intended for drinking.

⑤我打算让你来接管生意。

I intend you to take over the business.

Sentence Patterns

重点句式1　This is why...“这就是……的原因”。

(教材P16)This is why we're here—to observe Tibetan antelopes.

这就是我们来这里的原因——观察藏羚羊。

[句式分析]

This is why...这就是……的原因。此处why引导表语从句。

[例1]　As is known to all，he is honest.That's why I believe in him all the time.

众所周知，他很诚实。那就是我一直信任他的原因。

[例2]　I've got a cold，that is why I wouldn't like to have a meal.

我感冒了，那就是我不想吃饭的原因。

[即学即练]　完成句子

①他没有被重点大学录取的原因是他的分数太低。

The reason why he wasn't admitted into a key university was that his grades were too low.

②你在英语方面取得了很大的进步。这是因为你改善了学习方法。

You have made great progress in English.This is because you have improved your studying methods.

③他从一棵高树上摔下来了。那就是为什么他弄伤了腿。

He fell from a tall tree.That was why he hurt his leg．

重点句式2　only修饰状语位于句首，用部分倒装。

(教材P16)Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.

只有学会和大自然和谐共处，我们才不会成为野生生物和地球的威胁。

[句式分析]

only修饰状语从句放在句首时主句须部分倒装。

[例1]　Only in this way can you work out the problem.

只有这样，你才能算出这道题来。

[例2]　Only if he gets a job can he have enough money to continue his studies at college.

他只有找到工作才能有足够的钱继续大学的学业。

[名师点津]　

若only修饰主语，即使在句首也不倒装。

[即学即练]　完成句子

①只有这样年轻人才能学会如何遵守优良的传统。

Only in this way can young people learn how to observe excellent traditions.

②当他回到家里时，才知道出了什么事。

Only when he returned home was he aware of what had happened.

③只有通过多练习剪纸，你才能掌握这门民间艺术。

Only by practising paper­cutting more can you learn the folk art.

④只有当我离开父母去意大利时我才意识到我多么爱他们。

Only when I left my parents for Italy did I realize how much I loved them.

1．(教材P16)Watching them move slowly across the green grass，I was struck by their beauty.

[分析]　本句是一个简单句。watching them move slowly across the green grass在句中作状语。

[译文]　看着它们慢慢地穿过绿色的草地，我被它们的美丽所打动。

2．(教材P16)The government，however，does not intend to stop the protection programmes，since the threats to the Tibetan antelope have not yet disappeared.

[分析]　本句是一个主从复合句，since引导的是一个原因状语从句。

[译文]　然而，政府并没有打算停止这些保护项目，因为对藏羚羊的威胁依然存在。

Ⅰ.单句语法填空

1．It's obvious that the products are below the average quality.

2．It is a big surprise to learn that you intend to spend(spend)your winter holiday in China.

3．The first thing I became aware of was all the vivid colours surrounding me.

4．When you go to a new country，you must adapt yourself(your) to new manners and customs.

5．As we all know，water exists(exist)in three forms：solid，liquid and gas.

6．As far as I'm concerned(concern)，the best season for me is spring.

7．There has been an alarming(alarm) increase in crime(犯罪) in the past few years.

8．The picture on the card reminded me of an event happening in my childhood when I was six.

9．We hope the government will take effective measures to reduce(reduce) pollution.

10．Drunk driving not only affects our daily life，but may also threaten(threat)people's lives.

Ⅱ.短语填空

on the earth；die out；be aware of；on average；make progress；concerned about；adapt to；under pressure；make out；watch over

1．He wanted to be the fastest man on the earth．

2．Nowadays people are more concerned about the environment where they live.

3．Tom is several years junior to Alice，but he can adapt to his new surroundings much easier.

4．We could hardly make out anything in the thick fog.

5．Many species will soon die out if we don't take action.

6．I think it important for everyone to be aware of all the positive and negative effects of coffee.

7．The common cold is a good example：women，on average，get fewer colds than men.

8．Chinese is not easy to learn but with right methods you can make progress quickly.

9．They watched over these endangered animals day and night.

10．Under pressure，many governments have taken effective measures to protect wild animals.

Ⅲ.课文语法填空

Tibetan antelopes are very graceful animals，1.which live on the plains of Tibet，Xinjiang，and Qinghai.They are in danger because many of them are being 2.illegally(illegal) hunted for their valuable fur.Their population 3.dropped(drop) by more than 50 percent between 4.the 1980s and 1990s.In order to save this species from 5.dying(die) out，the Chinese government placed it under 6.national(nation) protection and some effective 7.measures(measure) have been carried out.As a result，the antelope population has recovered and in June 2015，the Tibetan antelope 8.was removed(remove) from the endangered species list.However，the government will continue the 9.protection(protect) programmes because the threats to the Tibetan antelope have not yet disappeared.In fact，only when we learn to exist 10.in harmony with nature can we stop being a threat to wildlife and to our planet.