牛津译林版（2019）必修第三册Unit 1 Nature in the balance Integrated skills 语言点课件(共17张PPT)

(共17张PPT)
Unit 1
Integrated skills
When you think of a fearsome hunter,images of lions and sharks may spring to mind.
当你想到可怕的猎人时，狮子和鲨鱼的形象可能会浮现在脑海中。
think of 想到
spring to mind浮现脑海
Integrated skills
Recent research by environmental scientists,however,shows that in fact,humans are the most fearsome hunters who have the greatest impact on animal populations.
然而，环境科学家最近的研究表明，事实上，人类是最可怕的猎人，对动物种群的影响最大。
recently：最近
in fact:事实上
Integrated skills
Human activities have brought many animals close to extinction.
人类活动使许多动物濒临灭绝。
In the last 500 years,over 300 species of animals have gone extinct.
在过去的500年里，超过300种动物灭绝了。
over超过
Integrated skills
Some activities,such as hunting and fishing,directly harm animals,while other activities,such as development in towns and cities,impact indirectly on animal populations.
一些活动，如狩猎和捕鱼，直接伤害动物，而其他活动，如城镇和城市的发展，间接影响动物种群。
such as 例如+n
Integrated skills
Hunting and fishing have directly influenced the world’s animal populations.
狩猎和捕鱼直接影响了世界上的动物数量。
have an influence on
对...有影响
Integrated skills
Some people hunt animals for food:whale meat is eaten in some parts of the world.
有些人捕猎动物作为食物:在世界上的一些地方，人们吃鲸鱼肉。
whale meat：鲸鱼肉
in some parts of the world
在世界上的一些地方
Integrated skills
Some people hunt animals for fashion:animal skin is used to make coats and bags.
有些人猎杀动物是为了时尚:动物皮被用来制作外套和包。
be uesed to :
被用来做某事
hunt for
Integrated skills
Still others hunt animals just for fun:deer are tracked and shot by people who enjoy the excitement of the sport.
还有一些人打猎只是为了好玩:喜欢这项运动刺激的人跟踪和射杀鹿。
still:还；依旧
just for fun:
仅仅是为了娱乐
Integrated skills
Human activities that have indirect effects on animals can be just as harmful.
对动物产生间接影响的人类活动也同样有害。
human activities:人类活动
have indirect effect on ：对...有间接影响
be harmful to ...
对...有害
Integrated skills
When we build farms or factories,we destory animal habitats and leave many animals with nowhere to live,or no food to eat.
当我们建造农场或工厂时，我们破坏了动物的栖息地，使许多动物无处居住，或者没有食物吃。
animal habitats”动物的栖息地
destroy：毁坏
Integrated skills
We can also put animals in danger without ever entering their habitats.
我们也可以不进入动物的栖息地就把它们置于危险之中。
put..in danger：把...置于危险之中
enter：进入
aslo：也
Integrated skills
Air,water,noise and light pollution can all have a deep and damaging influence quite far from their source.
空气、水、噪音和光污染都能对远离源头的地方产生深远的破坏性影响。
light pollution:光污染
far from:远离
source：源头
Integrated skills
Partly due to pollution caused by ship traffic and other human activities,the dolphin population has dropped greatly.
部分由于船舶交通和其他人类活动造成的污染，海豚的数量大幅下降。
due to 由于
drop：下降
population：人口
Integrated skills
As the human population continues to grow,so does the effect we have on animals.
随着人口的持续增长，我们对动物的影响也在不断增加。
continue to do sth :继续做某事
so+倒装，表示某人情况也是如此
as：随着...
Integrated skills
Questions：
What are the three main reasons why people hunt animals
How do human activities indirectly have an effect on animals
人们捕猎动物的三个主要原因是什么
人类活动如何间接地对动物产生影响
main reasons：主要原因
Integrated skills
Thank you!