educate efface elevate empirical enchant ensure
entertain enunciate epidemic epitome equate equivalent
educate
义
educate['ed
uke
t]v.教育;教导,培养
源 e-出+duc-引导+-ate做,造成,使……。教育的本质是把学生内在的天资、能力引导出来,启发出来。
例
She's determined to educate herself in law.她决心自学法律知识
The program aims to educate the public about environmental issues.
该计划旨在教育公众关注环境问题
He was educated at Harvard University.他在哈佛大学接受教育
词根树
练
1.The farm
duces a variety of fruits and vegetables,including apples,oranges,and carrots.
A.e
B.pro
C.se
D.in
2.The government introduced tax
ions to stimulate economic growth.
A.educt
B.introduct
C.reduct
D.induct
3.Her inspiring speech
duced many students to volunteer for the project.
A.in
B.tra
C.trans
D.de
4.Engineers are studying the feasibility of building a new
duct to supply water to the drought-stricken area.
A.via
B.venti
C.aque
D.ovi
答案 1.B 2.C 3.A 4.C
efface
义
efface[
'fe
s]v.擦掉;抹去;使不受人注意
源 ef-出,出来 +fac-脸 +e。表示从面部或外观上“除去”或“消除”某种东西,通常用于描述消除或去除痕迹、污渍或表情等情境。
例
self-effacing谦让的;不出风头的
The memories of the past were gradually effaced by time.
过去的记忆逐渐被时间抹去
The graffiti on the wall was quickly effaced by the cleaners.
墙上的涂鸦被清洁工迅速擦除
词根树
练
1.Understanding the different
of a person's personality is key to effective communication.
A.facings
B.facers
C.facets
D.facades
2.His anger initially remained hidden but eventually
faced when provoked.
A.sur
B.de
C.out
D.ef
3.A
understanding of a topic is insufficient for academic research (学术研究)。
A.facial
B.facetious
C.surfactant
D.superficial
4.He decided to face
his mistakes and apologize sincerely.
A.with
B.up to
C.on to
D.to
答案 1.C 2.A 3.D 4.B(face up to勇敢地面对、正视; face with面临,遇到; face on to正对着,直对着; face to面对、朝向建筑等)
elevate
义
elevate['el
ve
t]v.提拔,提升;提高;举起
源 e-出+lev-提高,举起+-ate使……。表示“抬高”、“举起”或“提升”,常用来指物理上的抬升,也可以指精神、地位、情绪等方面的提升。
例
It's time to elevate our standards and expectations.
是时候提高我们的标准和期望了
The promotion elevates her to a senior management position.
这次晋升使她升到了高级管理职位
The book is elevating,inspiring,and thought-provoking.
这本书令人振奋、鼓舞人心、发人深省
词根树
练
1.The company has a very low employee turnover rate (离职率),indicating a high
of job satisfaction.
A.level
B.levy
C.lever
D.leaven
2.A warm bath can help
leviate muscle tension and promote relaxation.
3.The study's findings are highly relev
to improving public health policies.
4.There are no facilities for miles and people have to
themselves somewhere.
A.levitate
B.alleviate
C.elevate
D.relieve
答案 1.A 2.al 3.ant 4.D
empirical
义
empirical[
m'p
r
k(
)l]adj.经验主义的,以经验为依据的
源 empir-经验+-ical……的。表示“基于经验的”或“经验主义的”,常用来描述依赖于实践经验、实证观察或实验验证的方法、理论或证据。
例
empirical data实证数据,经验数据
The empirical evidence supports the new scientific theory.
实证证据支持了这个新的科学理论
词根树
练
1.The decision to cut funding for education could
peril the country's longterm prosperity.
2.The
vaccine is currently being tested on animals.
A.experiential
B.experimental
C.empirical
D.piratical
3.She sought advice from a financial
before making the investment.
A.experience
B.experiment
C.empiric
D.expert
答案 1.im 2.B 3.D
enchant
义
enchant[
n't
ænt]v.使陶醉,使入迷;对……施魔法
源 en-进入……之中,使……+chant-= cant-吟唱。原指“吟唱咒语”或“施咒语”,现常用来描述通过魅力、才华或其他手段使人感到极度喜爱、着迷或受到影响的状态。
例
I am enchanted by the beautiful sunset.我被美丽的日落所迷住
The old castle has an enchanting atmosphere.这座古堡有着迷人的氛围
The wizard enchanted the enemy army with his powerful spell.
巫师用强大的咒语对敌军施了魔法
词根树
练
1.In the fairy tale,the prince was
into a frog by an evil witch (女巫)。
A.attracted
B.enchanted
C.fascinated
D.tempted
2.The tribal members
ancient songs around the bonfire,invoking ancestral spirits.
A.enchant
B.chant
C.incant
D.recant
3.The company offered a cash
to employees who met their sales targets.
A.charm
B.cant
C.accent
D.incentive
4.The university is celebrating its cent
with a series of cultural events.
A.enary
B.imeter
C.igrade
D.ury
答案 1.B 2.B 3.D 4.A
ensure
义
ensure[
n'
r]v.确保;担保;保证
源 en-使……+sur-肯定,确定 +-e。表示“确保”、“保证”或“使确定无疑”,常用来描述采取措施以保证某件事情的发生或实现。
例
ensure against / from使安全,保护……免受
Ensure that I will be there on time.担保我会准时到那儿
The security measures are in place to ensure everyone's safety.
安全措施已经到位,以确保每个人的安全
词根树
练
1.It's important to
sure your car to protect yourself financially in case of an accident.
A.en
B.in
C.as
D.reas
2.He sought
from his friends that they would support him during his difficult time.
A.assurance
B.insurance
C.reinsurance
D.reassurance
3.It's
surd to expect someone to complete such a complex task in only a few hours.
4.To ensure quality,they always
their ingredients from trusted suppliers.
A.surge
B.resurge
C.source
D.upsurge
答案 1.B 2.A 3.ab 4.C
entertain
义
entertain[.ent
r'te
n]v.招待,款待;给……以娱乐;怀有(想法、感觉等)
源 enter-在内,在中间,相互+tain-握,持。最初的含义是“留住客人或款待客人”,后来扩展用来描述举办活动、表演或提供节目以使宾客愉快或打发时间的行为。
例
He entertained his kids by telling them stories.他通过讲故事来哄孩子开心
We will entertain clients at a fancy restaurant tonight.
我们今晚将在一家高档餐厅宴请客户
词根树
练
1.He maintains that it's important to
tain a healthy work-life balance for overall well-being.
A.at
B.ob
C.main
D.de
2.Customer is
key for sustainable business growth in the long run.
A.detention
B.abstention
C.retention
D.sustenance
3.There were 20 votes in favour,6 votes against and 2
tentions.
4.The company has implemented (实施) several initiatives to
tain its competitive advantage.
A.con
B.enter
C.sus
D.per
5.A reusable
is a great way to reduce single-use plastic waste.
A.detainer
B.container
C.entertainer
D.maintainer
答案 1.C 2.C 3.abs 4.C 5.B
enunciate
义
enunciate [
'n
ns
e
t] vt.发音; 阐明; 宣布 vi.阐明; 清晰地发音
源 en-使……+nunci-讲,说 +-ate做,造成,使……。表示“清晰地说出”或“明确地宣布”,常用来强调清晰、准确地发音或表达观点。
例
The teacher enunciated each word clearly for the students.
老师为学生清晰地发出每个单词
She enunciated the complex theory in a way that everyone understood.
她以一种大家都能理解的方式阐明了那个复杂的理论
词根树
练
1.After a series of scandals,the company's CEO
nounced his role and resigned from his position.
A.an
B.de
C.re
D.pro
2.In her speech,she delivered a powerful
of gender inequality in society.
A.annunciation
B.denunciation
C.enunciation
D.renunciation
3.During the pronunciation workshop,students practiced
nunciating difficult words.
A.re
B.de
C.e
D.an
答案 1.C 2.B 3.C
epidemic
义
epidemic[.ep
'dem
k]adj.盛行的,泛滥的n.流行病,传染病;盛行
源 epi-在……周围+dem-人民,人们 +-ic表……的或某种病→在人民中间流传的。表示“流行病的”或“大范围传播的”,特指一种短时间内在一定区域或人口中迅速传播的疾病现象。
例
The new vaccine proved effective in preventing the epidemic.
新疫苗被证明在预防疫情方面有效
Social distancing is crucial during an epidemic outbreak.
在疫情爆发期间,保持社交距离至关重要
词根树
练
1.The
data collected by the survey will help policymakers make informed decisions.
A.demotic
B.epidemic
C.demographic
D.endemic
2.Researchers developed an vaccine to combat the threat of an influenza pan
.
3.The software developer gave a live
of the new application.
A.sample
B.example
C.specimen
D.demo
4.The demagogue's
exploited the population's anger for personal gain.
A.demagog
B.demagogy
C.demiurge
D.epidemiology
答案 1.C 2.demic 3.D 4.B
epitome
义
epitome[
'p
t
mi]n.摘要,概要;典型,缩影
源 epi-在……上,在……之面+ tom-切割+e→在(书或演讲等)之后切割或提炼出的部分。表示“精粹”、“典型”或“摘要”,常用来指某事物的精髓所在,或者是对该事物的高度概括或典型代表。
例
The city's architecture represents an epitome of ancient culture.
这座城市建筑是古代文化的典型代表
Her life story is an epitome of courage and perseverance.
她的生平故事是勇气和毅力的缩影
词根树
练
1.This novel perfectly captures the essence of love;it's the
of romance literature.
A.tome
B.epitome
C.atom
D.atomics
2.His disrespectful behavior in court led to a charge of
.
A.contemplation
B.contemn
C.contempt
D.temple
3.The detective will
tail the suspect's alibi (不在场证明或辩解)during the interrogation (审问,盘问)。
A.re
B.de
C.en
D./
4.The checkout clerk made a mistake in her
, causing an accounting error.
A.tail
B.tailor
C.tonsure
D.tally
答案 1.B 2.C 3.B 4.D
equate
义
equate[
'kwe
t]v.等同;使相等;同等看待
源 equ-平等;相等 +-ate使……。表示“使相等”、“比较相等”或“视作等同”,用来描述将两个或多个事物视为具有相同价值、性质或数量的过程。
例
equate with把……等同;使相等;同等相待
He equates happiness with having good health.
他认为幸福等同于身体健康
They equate the two ideas without realizing their differences.
他们把这两个观点等同起来,没有意识到它们的区别
词根树
练
1.He admired his grandfather's
nature and calm approach to life.
A.equal
B.equable
C.equant
D.equitable
2.The company's
value has increased by 20%since the start of the year.
A.equality
B.equity
C.iniquity
D.equanimity
3.The economy started to
as supply and demand came into alignment (一致)。
A.equate
B.adequate
C.equivocate
D.equilibrate
4.Even the cheapest house costs the equi
of 15 years 'salary for a blue-collar worker (蓝领工人)。
答案 1.B 2.B 3.D 4.valent
equivalent
义
equivalent[
'kw
v
l
nt]adj.等价的,相等的n.等价物,相等物
源 equi-平等;相等 +val-价值 +-ent表“具有……性质的,关于……的”,或“……物”。表示“相等的”、“等价的”或“相当的”,常用来表示两种或多种事物在价值、效力、意义或大小等方面相当或可以互相替代。
例
cash equivalent现金等价物
5 apples are equivalent to 3 pears.
5个苹果相当于3个梨
This task requires skills equivalent to those of a senior manager.
这项任务需要与高级经理相当的技能
One cup equals 8 fluid ounces,its metric equivalent is 250ml.
一杯等于8液体盎司,其公制等值为250毫升
词根树
练
1.Economic instability can
the value of real estate in a particular region.
A.value
B.valuate
C.evaluate
D.devaluate
2.Your passport must be
for at least six months to enter the country.
A.valid
B.valent
C.ambivalent
D.equivalent
3.It is important to remain calm and focused,allowing reason to
vail over emotion.
A.pre
B.a
C.counter
4.He surprised his girlfriend with a handmade valent
card and a piece ofjew elry.
答案 1.D 2.A 3.A 4.ine