《Wildlife Protection》Section A PPT

《Wildlife Protection》Section A PPT

第一部分内容：晨读晚诵

动物是人类亲密的朋友,人类是动物信赖的伙伴。人类的生存不能没有动物,而动物完全可以不需要人类!保护野生动物,就是关爱人类自己。

Many animal and plant species have become extinct and many more are in critical danger.

The dodo is a classic example of how humans caused damage to the earth’s biology.The flightless dodo was native to the Island of Mauritius in the Indian Ocean.The easily controlled bird became a source of food for sailors and was attacked by animals introduced to the island by humans such as pigs,monkeys and rats.The population of dodos rapidly decreased and the last one was killed in 1681. 

Rhinos

The rhino horn is a highly prized item for Asian medicine.This has led to the animal being hunted in its natural habitat.Once widespread in Africa and Eurasia,most rhinos now live in protected natural parks and reserves.Their numbers have rapidly decreased① in the last 50 years,and the animals remain under constant threat from poachers(偷猎者).

Whales

The International Whaling Commission is fighting to ensure② the survival of the whale species.Despite the fact that one-third of the world’s oceans have been declared whale sanctuaries (保护区),7 out of 13 whale species remain endangered.Collisions (碰撞) with ships,poisonous pollution③ and being caught in fishing nets are some major causes of whale deaths.

Tigers

The last 100 years has seen a 95% reduction in the numbers of remaining tigers to between 5,000 and 7,000 and the Bali,Javan,and Caspian tigers are already extinct.The South China tiger is precariously(危险地) close to disappearing④,with only 20 to 30 still alive.Like the rhino horn,tigers’ bones and organs are sought after for medicines.These items are traded illegally along with tiger skins.

①decrease v.减少

②ensure vt.保证

③pollution n.污染

④disappear vi.消失

The easily controlled bird became a source of food for sailors and was attacked by animals introduced to the island by humans such as pigs,monkeys and rats.

翻译:这种容易被控制的鸟成了水手的食物来源,同时受到人们带来的动物,诸如猪、猴子和老鼠的攻击。

分析:本句是一个简单句。句子的主语是The easily controlled bird,became和was attacked是并列谓语,introduced to the island...是动词-ed形式构成的短语作定语。

1.What does the passage mainly tell us?

答案:Some extinct and endangered animals.

2.What should we do to prevent these animals from extinction?

答案:Open.

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Wildlife Protection PPT，第二部分内容：课前篇自主预习

Ⅰ.知识体系图解 

语音重读:多音节词

e̍conomy,oppor̍tunity,de̍mocracy,cal̍ligraphy,curi̍osity,

ex̍perience,suf̍ficient,i̍dentify,trans̍lation,emplo̍yee

1.____________n.海报 

2.____________adj.不合法的;非法的 

3.____________vt.&vi.打猎;搜寻;追捕 

4.____________adv.立刻 

5.____________n.物种 

6.____________vt.使惊恐;使害怕;使担心 n.恐慌;警报;警报器

7.____________n.速度;(比)率　vt.划分等级 

8.____________n.灭绝 

9.____________adj.大量的;广泛的　n.大量;堆;群 

1.on earth____________

2.end up____________

3.die out____________

4.at an alarming rate____________

5.aware of____________

6.on average____________

7.make progress____________

8.concerned about____________          　　 

9.adapt to____________

10.under pressure____________

Ⅱ.释义匹配

1.habitat　A.to change something to suit different conditions or uses

2.adapt B.be the business of sb;trouble;bother

3.concernC.the force you produce when you press something

4.measureD.to find the size,length,or amount of something,using standard units such as inches,metres,etc.

5.pressureE.the natural surroundings in which an animal or a plant usually lives

答案:1.E　2.A　3.B　4.D　5.C

Ⅲ.介词填空

1.Some of the wild animals are dying out____________ an alarming rate. 

2.Children must attend school ____________the ages of 5 and 16. 

3.I’m always very aware____________how much work there is still to be done. 

4.____________average,a powerful earthquake occurs less than once every two years. 

5.When you are____________pressure,you should do some exercise to get relaxed. 

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Wildlife Protection PPT，第三部分内容：课堂篇学习理解

1.die out灭亡;逐渐消失

【课文原句】Our planet’s ...is dying out at an alarming rate.

我们星球上的……正以惊人的速度灭绝。

【词汇精讲】die out意为“灭亡;逐渐消失”,是固定短语。

Perhaps too much fighting caused the dinosaurs to die out.

或许是太多的争斗导致恐龙灭绝。

In fact,half of the 6,000—7,000 languages spoken around the world today will likely die out by the next century.

事实上,今天世界上使用的6 000到7 000种语言中,有一半很可能在下个世纪消失。

2.aware adj.知道的;发觉的;有……意识的

【课文原句】

We must make people aware of the problem...

我们必须让人们意识到这个问题……

【词汇精讲】aware是形容词,意为“知道的;发觉的;有……意识的”,常和介词of连用。

They were not aware of the historic significance of this flight.

他们没有意识到这次飞行的历史意义。

I think he has been aware of how great this club is,and how much loyal the fans are.

我觉得他已经意识到了这是一家多么伟大的俱乐部,这里的球迷是多么忠诚。

3.average n.平均数;平均水平

adj.平均的;正常的;普通的

【课文原句】How many elephants are killed on average every day?

每天平均有多少头大象被杀死?

【词汇精讲】average作名词,意为“平均数;平均水平”,作形容词,意为“平均的;正常的;普通的”。

The average time the Chinese people spend online is 17 hours per week.

中国人每周上网的平均时间为17个小时。

The average age of the boys in this class is fifteen.

班里面男孩子的平均年龄是15岁。

4.concerned adj.担心的;关切的;相关的

【课文原句】I’m concerned about the African elephants.

我非常担忧非洲大象。

【词汇精讲】句中的concerned是形容词,意为“担心的;关切的;相关的”,concern作动词时,意为“涉及;让……担忧”。

Many parents are concerned that some TV programs will have a bad influence on the development of their children.

许多家长担心一些电视节目会对孩子的成长有坏的影响。

I hope the department concerned will deal with the matter immediately.

我希望有关部门立刻处理这件事情。

What concerns me is our lack of preparation for the change.

让我担心的是我们对事态的变化缺乏准备。

Ⅰ.选词填空

average,living,measure,rate,alarm 

1.Now scientists are doing a research on the__________environment of other species. 

答案:living

2.The employment__________has continued to rise in big cities thanks to the efforts of the local governments. 

答案:rate

3.Last year the number of students who graduated with a driving license reached 200,000,an__________of 40,000 per year. 

答案:average

4.Sorry I’m late.I might have turned off the __________clock and gone back to sleep again. 

答案:alarm

5.(2019·全国卷Ⅰ)This smart keyboard precisely__________the cadence(节奏) with which one types and the pressure fingers apply to each key. 

答案:measures

Ⅱ.完成句子

1.This kind of wild animals is__________(处于……危险中) extinction. 

答案:in danger of

2.African elephants__________ __________(正在被猎杀) and their number is becoming smaller. 

答案:are being hunted

3.The government must__________ __________(采取措施) to protect these animals. 

答案:take measures

4.The police told the children__________(不要玩) on the street. 

答案:not to play

5.The population of the country is growing__________ __________(以惊人的速度). 

答案:at an alarming rate

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