内容正文:
Unit 5 Save the Planet
词汇精讲精练
核心词汇概览:
planet demand romantic protest poison declare desert insect
existence climate fuel ocean carbon chain reaction attempt
ecosystem flood alarm external advance financial perspective
chapter petrol gas smog solar charge drought
词汇精讲
序号
单词/短语
词汇讲解
demand
释义:n要求;v.需要
/dI'ma:nd/
词汇变形:demanding(adj.)要求高的;苛求的
搭配:demand to do sth.要求做某事;demand that sb.(should)do
要求某人做(虚拟语气);in demand受欢迎的;急需的:
meet/satisfy one's demands满足某人的要求
辨析:demand语气强,常指理直气壮的要求;request较客气;
require指客观需要或规定
例句:The teacher demanded that all students(should)hand in their
homework on time.
老师要求所有学生按时交作业。
protest
释义:v.反对:抗议;n.抗议
/pra'test/
词汇变形:protester(m)抗议者;protestation(,)声明;抗议
搭配:protest against/at/about sth.抗议某事;protest one's innocence
申明自己无罪;without protest毫无异议地
注意:动词重音在第二音节(pr3test),名词重音在第一音节
('prautest)
例句:Many citizens protested against the new tax policy.
许多市民抗议新税收政策。
3
poison
释义:n.毒药:毒素:v毒化;使恶化
/'poizn/
词汇变形:poisonous(adj)有毒的;恶毒的;poisoning(m)中毒
搭配:poison one''s mind毒害某人的思想;poison the atmosphere
破坏气氛;poison gas毒气
例句:The waste from factories has poisoned the river.
工厂的废弃物污染了河流。
declare
释义:v公布;宣布:声明
/dr'klea(r)/
词汇变形:declaration(n)宣布;声明;declared(adj)公开宣布的
搭配:declare war on/.against向…宣战;declare sb.(tobe)+
n./adj.宣布某人为;declare one's support表明支持
辨析:declare侧重正式、公开;announce侧重通知;state侧重陈述
事实
例句:The government declared a state of emergency after the flood.
洪水过后,政府宣布进入紧急状态。
desert
释义:n.沙漠;荒漠;v.抛弃;遗弃
/'dezat/
词汇变形:deserted(adj)荒废的;无人居住的;desertion(n,)遗
弃:开小差
搭配:desertsb./sth.抛弃某人/某物;desertone's post擅离职守
易混:dessert/d'z3:t/甜点(注意拼写)
例句:He deserted his family and went abroad.
他抛弃家人去了国外。
existence
释义:n.存在:实有
/ig'zIstans/
词汇变形:exist(v,)存在;existing(adj)现有的;existent(adj,存
在的
搭配:come into existence产生;形成;in existence现存的;exist
on sth.靠…生存
例句:No one knows exactly when the universe came into existence..
没有人确切知道宇宙何时开始存在。
=-一22-=--2----=2--42-2-2=-2-=----===--
climate
释义:n.气候:风气
/'klamat/
词汇变形:climatic(adj)气候的:气候上的(注意不同于climactic
高潮的)
搭配:climate change气候变化;a climate of opinion舆论氛围;
political climate政治气候
例句:The climate of the region is becoming drier and drier:.
这个地区的气候变得越来越干燥。
8
fuel
释义:n.燃料:v.提供燃料:刺激;加剧
/'fju:al/
词汇变形:fueled(adj.)加燃料的:fel-efficient节能的
搭配:add fuel to the fire/flames火上浇油;fuel one's imagination
激发想象力;fossil fuel化石燃料
例句:The rising prices fueled people's anger.
上涨的价格加剧了人们的愤怒。
9
chain
释义:n.一系列;链子;v.用链条拴住;束缚
fem/
词汇变形:chained(adj,)被链条拴住的
搭配:achain of一连串的;in chains被囚禁;chain reaction连锁
反应;chain store连锁店
例句:The accident caused a chain ofevents that led to the disaster.
事故引发了一系列事件,最终导致了灾难。
10
reaction
释义:n.反应;回应
/ri'aek [n/
词汇变形:react(v.)反应:reactive(adj)反应的:反动的;reactor
()反应堆
搭配:reaction to sth.对…的反应;chain reaction连锁反应;in
reaction to作为对…的回应
辨析:response常指口头/书面回答;reaction更指行为或情感上的
反应
例句:What was his reaction to the news?
他对这个消息的反应是什么?
11
attempt
释义:n.&v企图:尝试
/a'tempt/
词汇变形:attempted(adj)未遂的(如attempted murder)
搭配:attempt to do sth.尝试做某事;make an attempt to do/at doing
sth.试图做某事;in an attempt to为了…
例句:She made an attempt to solve the problem,but failed.
她尝试解决问题,但失败了。
12
perspective
释义:n.态度;观点:透视法
/pa'spektrv/
词汇变形:perspectival(adj)透视的;观点的
搭配:from one's perspective从某人的角度;in perspective正确地
(看待);out of perspective不成比例
辨析:viewpoint/outlook也可表示观点,但perspective?强调看问题的
角度
例句:Try to see the issue from a different perspective.
尝试从不同的角度看问题。
二、专项训练
(一)单句填空(在空白处填入1个适当的单词或括号内单词的正确形式,共12小题)
1.The workers demanded that their salaries
(raise)immediately
2.The students protested
the decision to cancel the school trip
3.The
(poison)chemicals in the river have killed thousands of fish
4.The president
(declare)a national holiday to celebrate the victory
5.The old house stood in the middle of the
(desert)street,completely empty.
6.Many new species have come into
(exist)since the last ice age.
7.The
(climate)conditions in this area are suitable for growing rice.
8.The constant criticism only added fuel
the fire of his anger.
9.A
(chain)reaction was triggered by the explosion in the factory.
10.Her
(react)to the news was surprisingly calm.
11.He made several attempts
(pass)the driving test before finally succeeding.
12.We should view the problem from a global
(perspective).
(二)单句表达(根据汉语提示,用本单元核心词汇/短语完成句子,共8小题)
1.老师要求所有学生按时完成作业。
The teacher demanded
all students
their homework on time
2.居民们强烈反对在公园附近建造垃圾场。
The residents strongly protested
of a dump near the park
3.滥用社交媒体会毒害青少年的思想。
Overusing social media can
young people's
4政府宣布下周将为受灾地区举行募捐活动。
The government
that a charity event
held next week for the
disaster-stricken areas.
5这个村庄在战争期间被遗弃了,如今已变成一片废墟。
The village
during the war and now has become ruins
6这种独特的文化现象产生于20世纪初期。
This unique cultural phenomenon
in the early 20th century.
7.他试图激化矛盾的行为只会火上浇油。
His attempt to
the conflict only
the fire.
8从长远的角度来看,这个项目将带来巨大的收益。
along-term
this project will bring huge benefits
(三)短文填空
Last summer,a terrible drought hit the region.The 1
(climate)change had been
worsening for years,and this time the lack of rain caused a 2
(chain)of disasters.
Crops died,rivers dried up,and people had to 3
_(demand)the government for help
Many farmers 4
(protest)against the slow response.In an 5(attempt)to
save the situation,the government declared a state of emergency.They 6_
(declare)
that special funds would be used to build new water systems.However,some critics argued
that the real problem was the 7(exist)of outdated agricultural methods.They
believed that 8(fuel)the economy with short-term solutions only added 9
to the fire.From a different 10
(perspective),scientists pointed out that the drought
was a natural 11
(react)to global warming.The only long-term solution was to
change the way people lived.Otherwise,the land would turn into a 12
(desert)and
be completely deserted.
三、参考答案
(一)单句填空
1.(should)be raised;2.against;3.poisonous;4.declared;5.deserted;6.existence;
7.climatic;8.to;9.chain;10.reaction;11.to pass;12.perspective
(二)单句表达
1.that;should;complete;2.against,the;construction;3.poison;minds;4.declared;would,
be;5.was;deserted;6.came;into;existence;7.worsen;added;fuel,to;8.From,
perspective
(三)短文填空
1.climatic;2.chain;3.demand;4.protested;5.attempt;6.declared;7.existence;
8.fueling;9.fuel;10.perspective;11.reaction;12.desert