(共12张PPT)
Unit 3 Conservation Lesson 1 词汇
by:Emily
1. die out n. 灭绝；消失
die away 逐渐消失；逐渐减弱,侧重指已经减弱到一个状态.
die down 逐渐变弱；逐渐平息,侧重于减弱的过程.
die off 相继死去
How many times up to today has life on Earth almost
_________（灭绝）？
died out
2. species n.物种
endangered species 濒危物种
extinct species 灭绝物种
3. wipe v.擦；抹；擦掉
wipe out去除；消灭；彻底毁灭
=wipe sth. away 把某物清除掉
①Extinctions, where entire species are wiped out, are
not unusual in our Earth’s history.
②____ ____ the tears on your face, but you can't take
the pain away.擦去脸上的泪水，却带不走心中的痛楚。
Wipe away
3. unusual adj.异常的；不平常的
usual adj. 通常的
usually adv. 通常地
unusually adv. 不寻常地
as usual 像平常那样
It is unusual (for sb.) to do sth. 做某事对某人来说是不
寻常的
①This time, we stayed together, in case anything else
________(usual) happened.
②__________,Smith was the last one to arrive at the
classroom.史密斯照例是最后一个到达教室的。
usually
As usual
4. mass adj.大量的；群众的，民众的；大规模的
a mass of 许多， 一堆
in mass 整个地，全部地
massive adj. 巨大的；大而重的；结实的；非常严重的
One hour before the news conference，
________________ journalists were in the hall.
在新闻发布会开始前一小时，大厅里已经有很多记
者了。
a mass of/masses of
5. varied adj.各种各样的, 形形色色的, 不同的, 变化的
vary v. (大小、形状等)相异, 变化
varied weather 天气多样
various adj. 各种各样的
variety n. 不同种类；多样化
a variety of ＝varieties of 各种各样的
He resigned for ____________________．
他因各种理由辞职了。
a variety of reasons
6. decrease vi.& vt.减少 n．减少；减少的量
decrease n．减少，降低(可数或不可数)
decrease by/to/in... 减少了……/减少到……/
在……方面减少
increase v.&n. 增加，增长
The amount of fat people take in should ________ ．
人们应该减少脂肪摄入量。
be decreased
7. blame vt.责备；谴责；把……归咎于
blame sb.for(doing) sth. 因(做)某事责备某人
blame sth.on sb./sth. 把某事归咎于某人/某事
be to blame for(doing) sth.因(做)某事应受责备
不定式用主动形式表示被动意义。
This time, human activity will____________(blame).
be to blame
8. affect vt.影响；侵袭；使感染
affected adj.受影响的；感动的；感染的
unaffected adj.未受影响的
be affected by 被……感动/影响
effect n．影响
have an effect/ impact/ influence on 对……有影响
It is certain that people's views on happiness
___________(affect)greatly by their own life experience.
are affected
9. be at risk(of +n/doing) 处境危险, 受到威胁
risk n. 风险 v. 冒…的风险
risky adj. 有风险的，有危险的
As we humans depend on so many species for our survival, we would also be at risk of _______(die) out.
10.endangered adj.濒临灭绝的，危险的
endangered species 濒危物种
endangered habitat 濒危栖息地
dying
11. solar adj. 太阳光（能）的
solar cars 太阳能汽车
solar energy 太阳能
12. hatch v.(使)孵化
13. restore v.(使)恢复
To save the black robins, wildlife workers protected their
eggs, helped them to hatch, and restored their habitats.
Thank you!
