高中英语 Unit 4 Wildlife Protection Section Ⅳ Learning

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word 1 / 15 Unit 4 Wildlife Protection Section Ⅳ Learning about Language

amp;Using Language

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ANIMAL EXTINCTION①

Many animals have

disappeared during the long

history of the earth. The most

famous of these animals are

dinosaurs②. They lived on the

earth tens of millions of years

ago, long before humans came

into beingand their future

seemed secure at that time③.

There were many different kinds

of dinosaur and a number of④

them used to live in China. The

eggs of twenty­five species have

been found in Xixia County,

Nanyang, Henan Province. Not

long ago a rare new species of

bird­like dinosaur was

discovered in Chaoyang County,

Liaoning Province. When

scientists inspected⑤ the

bones, they were surprised to

find⑥that these dinosaurs could

not only run like the

others but

also climb trees⑦. They learned

this from the

way the bones were ①extinction/Ik'stIŋkʃn/n.灭绝;消亡

extinct adj.不再存在的;已灭绝的;绝种的

②dinosaur/'daInəsɔː/n.恐龙

③e into being形成;产生(相当于e into

existence)

long before远远早于……,long用在before前表示两个动作发生的时间相隔久远。

④a number of“许多的;假设干的〞,后接可数名词的复数形式,谓语动词用复数形式。

the number of“……的数量〞,后接可数名词复数形式,谓语动词用单数形式。

⑤inspect/In'spekt/vt.检查;视察

⑥be surprised to do sth.吃惊地做某事(to

do sth.是surprised的原因)

⑦that引导宾语从句,从句中含有并列连词not only ... but also连接的并列谓语,即run与climb。

⑧the bones ...是省略that的定语从句,修饰the way。

⑨die out灭亡;逐渐消失

⑩unexpected/ˌʌnIk'spektId/adj.没料到的;意外的

⑪incident/'InsIdənt/n.事件;事变,指小插曲;事件;冲突

accident指意外事故

⑫dust/dʌst/n.灰尘;尘土;尘埃 word

2 / 15 joined together⑧.

Dinosaurs died out⑨

suddenly about 65 million years

ago. Some scientists think it

came after an unexpected⑩incident⑪ when a huge rock from

space hit the earth and put too

much dust⑫ into the air. Others

think the earth got too hot for

the dinosaurs to live on⑬ any

more. Nobody knows for sure⑭why

and how dinosaurs disappeared

from the earth in such a short

time⑮. dusty adj.多灰尘的

⑬live on继续存在

too hot for the dinosaurs to live on为“too+adj.+for sb./sth. to do sth.〞结构,意为“对……来说,太……而不能……〞。

⑭for sure无疑地;确定地(=for certain),在句中作状语。

⑮why and how共同引导宾语从句,作knows的宾语。

动物灭绝

[第1~2段译文]

从地球有史以来的这段漫长时期,许多动物都消失了。这些动物中最有名的是恐龙。千百万年前,恐龙就在地球上生活,比人类的出现要早得多,当时它们的前景好像也很安全。当时有许多不同种类的恐龙,其中有很多种类曾经生活在中国。25个种类的恐龙蛋是在某某省某某西峡县发现的。不久前,在某某省的某某县新发现了一种罕见的、形状像鸟一样的恐龙。科学家们观察它们的骨头时,惊奇地发现这些恐龙不仅跟其他恐龙一样可以跑,而且还可以爬树。科学家们是根据恐龙骨骼的连接方式得知这些的。

恐龙大约在6 500万年前突然灭绝了。有些科学家认为恐龙灭绝是发生在一次意外事故之后,当时宇宙间一块巨石击中地球,因而在空气中扬起太多的尘土。另外一些科学家那么认为,地球变得太热,因此恐龙无法在地球上生活了。没有人确切地知道恐龙是由于什么原因,又是怎样在这么短的时间里从地球上消失的。

We know many other wild plants,

animals, insects and birds have died

out more recently. According to⑯ a UN

report, some⑰ 844 animals and plants

have disappeared in the last 500 years⑯according to按照;根据……所说,介词短语,后常跟名词或动名词作宾语。

⑰some adv.大约,常用于数字前,相当于about。 word

3 / 15 ⑱. The dodo is one of them. It lived

on the Island of Mauritius and was a

very friendly animal. Please listen to

a story of the dodo

and how it

disappeared from the earth.

⑱in the last 500 years在过去的500年里,用作时间状语,相当于“over/during the past 500 years〞,常与现在完成时连用。

[第3段译文]

我们知道,近来许多其他的野生动植物、昆虫和鸟类也灭绝了。根据一份联合国的报告,在过去的500年里,大约有844种动植物已经消失。渡渡鸟就是其中的一种。它生活在毛里求斯岛上,是一种非常友好的动物。请听一个关于渡渡鸟的故事,看看它是如何从地球上消失的。

Step 1True (T) or False (F).

1.Most animals have died out during the long history of the earth.__F__

2.Dinosaurs are the most famous of the animals that have disappeared.__T__

3.There used to be many different kinds of dinosaurs on the earth.__T__

4.A rare species of bird­like dinosaur could both run and climb trees.__T__

5.Now people know the reason why dinosaurs suddenly disappeared.__F__

Step 2Read the text and choose the best answers.

1.According to the passage, what can we know about the dinosaurs?

A.Dinosaurs were once the kindest animals on the earth.

B.They lived on the earth together with humans.

C.They died out for some unknown reasons.

D.It was the temperature that caused them to die out.

2.The bird­like dinosaurs were discovered in ________.

A.Xixia County, Nanyang, Henan Province

B.Chaoyang County, Liaoning Province

C.Xixia County, Nanyang, Liaoning Province

D.Chaoyang County, Henan Province

3.How did scientists know that the bird­like dinosaurs could run as well as

climb trees?

A.By studying their eggs. B.By studying their teeth.