内容正文:
高中选修1北师大版
【核心词汇精讲】
Unit 3 Conservation
核心词汇
【Unit3】Conservation Lesson1
固定搭配精讲
全部单元单词
die out/dai aot/V.消失;绝迹,varied/vearId/adj.各种各样的,affect/'fekt/t.影响
灭绝
形形色色的
be at risk /bi::aet rIsk/v.处境危
species/'spi:fi:z/n.物种,种
*asteroid/'estard/n.小行星险,受到威胁
*wipe /warp/vt.擦;拭
decrease/d'kri:s/n.减少:减少endangered/m'deind3ed/adj.撷
wipe out /walp aot/v.彻底毁灭
的量;vi.&t.减少
危的
unusual/n'ju:3ual/adj.异常的:blame/blem/V.责怪,指责
solar/'saol/adj.太阳光(能)的
不平常的
be to blame /bi:tu:blem/v.(对hatch /hat/i.&t.(使)孵化
mass/mes/adj.大量的
某事)负有责任
restore /rI'sto/vt.(使)恢复
固定及常见搭配
1.die out消失;绝迹,灭绝
核心搭配:
species die out物种灭绝
cause sth.to die out导致某物灭绝
prevent.from dying out防止…灭绝
精讲:
不及物动词短语,无被动语态,主语多为物种、习俗等,强调“逐渐消失直至绝迹”。
例句:
Many ancient languages have died out over time.
真题链接:
Some rare animals are in danger of if we don't take action.(dying out)
2.species/'spi:fi:z/n.物种,种
核心搭配:
endangered species濒危物种
a species of一种…
protect species diversity保护物种多样性
精讲:
单复数同形,常用搭配与“保护、濒危、种类”相关,是生态主题阅读高频词汇。
高中选修1北师大版
【核心词汇精讲】
Unit 3 Conservation
例句:
The giant panda is a species unique to China
真题链接:
We should do our best to protect endangered._.(答、:species)
3.wipe out彻底毁灭
核心搭配:
wipe out a city摧毁一座城市
wipe out all evidence销毁所有证据
be wiped out by被…彻底毁灭
精讲:
及物动词短语,宾语可为人、物或抽象事物,强调“完全消灭,不留痕迹”。
例句:
The earthquake almost wiped out the small village
真题链接:
The ancient civilization was_by a sudden flood..(答案:wiped out)
4.be to blame(对某事)负有责任
核心搭配:
be to blame for sth.对某事负有责任
who is to blame谁该受责备
精讲:
主动形式表被动含义,主语通常为人,不可用被动语态,后接介词fo引出责任对象。
例句:
The driver was to blame for the traffic accident.
真题链接:
-Who
the broken window?-Maybe Tom.
(答案:is to blame for)
5.affect/a'fekt/t.影响
核心搭配:
affect sb.'s health影响某人健康
affect the result影响结果
be deeply affected by被…深深影响
精讲:
及物动词,直接接宾语,区别于名词effect(have an effect on),强调“产生负面或正面的作用”。
例句:
Pollution affects the quality of our life.
真题链接:
The bad weather will_the outdoor activity tomorrow.(答案:affect)
6.be at risk处境危险,受到威胁
2
高中选修1北师大版
【核心词汇精讲】
Unit 3 Conservation
核心搭配:
be at risk of有…的风险
put sb./sth.at risk使…处于危险中
reduce the risk降低风险
精讲:
sk为名词,固定搭配中介词用of,后接名词或动名词,强调“面临潜在危险”。
例句:
Smoking puts your health at risk
真题链接:
Wild animals are
losing their living areas.
(答案:at risk of)
7.endangered/m'demnd3ad/adj.濒危的
核心搭配:
endangered animals濒危动物
endangered species濒危物种
protect endangered plants保护濒危植物
精讲:
由动词endanger(使濒危)加-ed构成,常用作定语修饰生物类名词,是环保主题核心词汇。
例句:
We need to take measures to save endangered species.
真题链接:
The government has set up nature reserves to protect__animals.(endangered)
8.restore /rI'st:t.(使)恢复
核心搭配:
restore peace恢复和平
restore the environment修复环境
restore sth.to its original state使某物恢复原状
精讲:
及物动词,宾语可为抽象事物(和平、秩序)或具体事物(环境、建筑),强调“回到原来状态”。
例句:
The project aims to restore the forest to its natural condition.
真题链接:
It will take years to the old temple after the fire.(答案:restore)
9.decrease/dr'kri:s/n.减少;vi.&t.减少
核心搭配:
a decrease in sth.在某方面的减少
decrease by减少了·(幅度)
decrease to减少到…(具体数值)
精讲:
3
高中选修1北师大版
【核心词汇精讲】
Unit 3 Conservation
作名词时常用搭配“a decrease in+名词”;作动词时,by接幅度,to接结果,反义词为increase。
例句:
There has been a decrease in rainfall this year.
真题链接:
The number of students in this school has_200.(答案:decreased by)
10.mass /maes/adj.大量的
核心搭配:
mass destruction大规模毁灭
mass production大规模生产
a mass of大量的…(后接可数或不可数名词)
精讲:
作形容词时无比较级,强调“数量庞大、范围广泛”,常修饰名词构成固定短语。
例句:
The factory introduced mass production to reduce costs.
真题链接:
A_of people gathered in the square to celebrate the festival.(mass)
11.blame /bleim/~.责怪,指责
核心搭配:
blame sb.for sth.因某事责怪某人
blame sth.onb.把某事归咎于某人
take the blame承担责任
精讲:
及物动词,常用双宾语结构,blame on强调“归咎于”,是书面语高频搭配。
例句:
Don't blame your failure on bad luck.
真题链接:
He me for not telling him the truth.(答案:blamed)
12.hatch /haetf/vi..&t.(使)孵化
核心搭配:
hatch eggs孵蛋
hatch a plan策划一个计划
hatch out孵化出来
精讲:
作及物动词时宾语可为蛋或计划:作不及物动词时常用hatch out,强调“幼雏破壳”。
例句:
The hen is hatching eggs in the nest
真题链接:
The little birds_after three weeks.(答案:hatched out)
4
高中选修1北师大版
【核心词汇精讲】
Unit 3 Conservation
13.solar/'seula/adj.太阳光(能)的
核心搭配:
solar energy太阳能
solar power太阳能电力
solar system太阳系
精讲:
仅作定语,无比较级,构成的复合名词多与能源、天文相关,是科技类阅读核心词汇。
例句:
Solar energy is a clean and renewable resource
真题链接:
We can usepower to heat water in our homes.(答案:solar)
14.varied/'vearid/adj.各种各样的,形形色色的
核心搭配:
varied experiences丰富的经历
a varied diet多样化的饮食
be varied in在…方面多样化
精讲:
由动词vary(变化)加-ed构成,强调“种类多、形式不同”,区别于various(强调数量多)。
例句:
She has had a varied career as a teacher and writer.
真题链接:
The museum has a_collection of ancient coins.(答案:varied)
综合训练
综合训练
一、
单项选择
1.Many ancient customs have_over the past century due to social changes
A.died out
B.wiped out
C.taken out
D.put out
5
高中选修1北师大版
【核心词汇精讲】Unit3 Conservation
2.Human activities are for the decrease in endangered species.
A.to blame
B.to be blamed
C.blaming
D.blamed
3.The factory's waste water has seriously_the river's ecosystem.
A.affected
B.effected
C.influenced
D.impressed
4.It will take decades to the damaged rainforest to its original state.
A.restore
B.recover
C.return
D.renew
5.Aof tourists visited the nature reserve to see the pandas.
A.mass
B.amount
C.number
6
高中选修1北师大版
【核心词汇精讲】Unit3 Conservation
D.plenty
6.The number of wild tigers has by 50%in the last 20 years.
A.decreased
B.increased
C.reduced
D.raised
二、根据句意及汉语提示完成单词
1.We must take action to prevent rare()from dying out.
2.The government has set up a special fund to protect_(撷危的)animals.
3.The oil spill_(彻底毁灭)all marine life in the bay..
4.Solar panels convert_(太阳能)into electricity:
5.Her_(各种各样的)experiences abroad helped her adapt quickly..
三、首字母填空
1.If we don't protect them,these rare birds will soon do
2.The sof polar bears is now considered endangered.
3.Climate change puts many coastal cities at rof flooding.
4.The villagers worked hard to rthe old temple after the storm.
5.A mcampaign was launched to save the endangered species.
四、用所给单词的适当形式填空
1.The new policy aims to reduce the risk of species(die)out.
2.Pollution has a direct(affect)on people's health.
3.They are trying to restore the forest to its_(nature)state.
高中选修1北师大版
【核心词汇精讲】Unit3 Conser vation
4.(endanger)species need immediate protection from humans.
5.The team_(hatch)a plan to clean up the polluted lake last month.
参考答案
I.单项选择
1.A2.A3.A4.A5.A6.A
Ⅱ.根据句意及汉语提示完成单词
1.species 2.endangered 3.wiped out 4.solar energy
5.varied
I首字母填空
1.die out 2.species 3risk 4.restore 5.mass
V.用所给单词的适当形式填空
1.dying 2.effect 3.natural 4.Endangered
5.hatched
P