Day7

curtail decade depositary depress detect dialogue

diaphanous diffident diffuse diploma disaster discern

curtail

义 curtail[k ːr'te l]v.减缩；剪短；剥夺……特权

源 curt-短+tail-切，分割。形象地表示“剪短（尾巴）”这一动作，用来描述减少或截短某事物的动作或结果。

例

curtail expenses缩减开支

Curtail the meeting to an hour.缩短会议至一小时

The government plans to curtail greenhouse gas emissions.

政府计划减少温室气体排放

词根树

练

1.The boss curt dismissed the idea,leaving no room for further discussion.

2.Heavy rain forced authorities to outdoor festivities planned for the week end.

A.scar

B.curtail

C.shear

D.sharpen

3.The smartphone manufacturer maintained a dominant market for three consecutive quarters,rising to 31%。

4.After the storm,the clear blue sky presented a contrast to the previous gray clouds.

A.acute

B.keen

C.sharp

D.shrewd

答案 1.ly 2.B 3.share 4.C

decade

义 decade['deke d]n.十年，十年期

源 dec-十+-ade某种状态或集体。表示一组十个的计量单位，通常指一个周期为十年的时间段，在现代英语中特指“十年”。

例

the last decade of the nineteenth century 19世纪的最后10年

The population has doubled over the past decade.

在过去的十年里，人口增加了一倍

A decade of hard work led to his success.

十年的努力工作成就了他的成功

词根树

练

1.They celebrated their dec wedding anniversary with a grand party.

2.The has to demonstrate exceptional endurance,strength,and speed in each event.

A.decade

B.decagon

C.decagram

D.decathlete

3.The deci point is used to separate the whole number part from the fractional part in a decimal number.

答案 1.ennial 2.D 3.mal

depositary

义 depositary[d 'p z .ter ]n.受托人；受托公司；储藏所，存放处

源 de-向下+posit-放 +-ary表“人，场所，物”。表示“保管人”或“受托人”，即被指定保管或持有他人财产、文件或其他物品的人或机构。

例

Bank is a depositary of funds.银行是资金的存放处

She named me her depositary.她指定我为她的受托人

Museum is the cultural depositary.博物馆是文化的宝库

词根树

练

1.She posited her bags at the hotel reception before exploring the city.

A.ovi

B.de

C.ex

D.re

2.His book provides a detailed position of the theory behind quantum mechanics (量子力学)。

A.ex

B.re

C.ap

D.com

3.They strategically their product to appeal to young consumers.

A.posited

B.positioned

C.deposited

D.exposited

4.She checked that all equipment was in before starting the experiment.

A.position

B.positron

C.entrepot

D.posit

答案 1.B 2.A 3.B 4.A

depress

义 depress[d 'pres]v.使抑郁；使萧条；按下；减少

源 de-向下+press-挤压，逼迫。表示向下压低、压制或使情绪低落等多重含义，还常用来表示“使萧条”或“使跌价”。

例

depress the button按下按钮

Economic downturns often depress the housing market.

经济衰退常常使房地产市场低迷

She felt depressed after losing her job.失业后她感到很沮丧

The medication can sometimes depress appetite.

这种药物有时会抑制食欲

词根树

练

1.The weight of poverty and inequality continues to press many communities worldwide.

A.ex

B.de

C.im

D.op

2.She managed to press her entire presentation (演示文稿) into a ten-minute speech.

A.com

B.re

C.sup

D./

3.Her pressive knowledge of art history impressed the museum director (美术馆馆长)。

A.ex

B.de

C.im

D.op

4.Under the of deadlines,she always manages to deliver exceptional work.

A.pressure

B.keypress

C.pressmark

D.winepress

答案 1.D 2.A 3.C 4.A

detect

义 detect[d 'tekt]v.查明，察觉；测出，检测

源 de-去掉+tect-覆盖，盖子→去掉盖子，揭开覆盖。表示“揭露”、“发现”或“察觉”，主要用来描述识别出原本隐藏、未知或难以觉察的事物或情况。

例

detect threat signs检测威胁信号

She seemed to detect some anger in his voice.

她似乎在他的声音中听出一些怒气

The detective was able to detect the criminal's whereabouts.

侦探能够探测到罪犯的行踪

词根树

练

1.The doctor used a medical device to the early signs of heart disease in the patient's ECG (心电图)results.

A.discover

B.find

C.detect

D.ascertain

2.The police were deployed (部署)to the president during his visit to the city.

A.protect

B.shield

C.shelter

D.harbour

3.The protect clothing provided is not suitable for the job,causing discomfort and inconvenience.

4.The wedding venue (婚礼场地)was beautifully decked flowers and fairy lights,creating a romantic ambiance (氛围)。

答案 1.C 2.A 3.ive 4.with

dialogue

义 dialogue['da l ːɡ]n.对话；对白

源 dia-二者之间+logu-说，说话+e。表示两个人或多个人之间的互动交流，即“对话”或“对谈”，也常用于文学作品中表示角色间的对话。

例

Dialogue fosters better understanding.对话促进更好的理解

The dialogue in the movie was captivating.电影中的对话很吸引人

We need to have an open dialogue about our feelings.

我们需要坦诚地交流一下我们的感受

词根树

练

1.The logue of the movie provided a satisfying ending to the story.

A.dia

B.apo

C.mono

D.epi

2.I'm browsing through the online product logue to find a suitable gift.

A.col

B.apo

C.trave

D.cata

3.His refusal to give an logy deepened the rift (裂痕) between them.

A.neo

B.apo

C.eu

D.ana

4. logy helps us understand human behavior and emotions.

A.Genea

B.Geo

C.Psycho

D.Physio

答案 1.D 2.D 3.B 4.C

diaphanous

义 diaphanous[da 'æf n s]adj.透明的；精致的

源 dia-穿过+phan-显示+-ous……的→对面能显示出来的。表示“透明的”、“薄纱般的”，常用来描述那种可以透过材质看见另一侧的特性。

例

diaphanous tulle透明的纱网

Her veil was made of diaphanous silk.她的面纱是由透明丝质材料制成的

词根树

练

1.The always agrees with the boss,no matter how absurd the idea may be.

A.phantom

B.phantasy

C.phantasm

D.sycophant

2.The northern lights (北极光)are a beautiful natural phen that many peo ple travel to see.

3.Do you trying the new Italian restaurant downtown?

A.fantasy

B.fanciful

C.fantasia

D.fancy

4.She phasized the importance of safety by reminding everyone to wear their seatbelts.

答案 1.D 2.omenon 3.D 4.em

diffident

义 diffident['d f d nt]adj.羞怯的；缺乏自信的；谦虚谨慎的

源 dif-不，否定 +fid-相信，信任。表示“缺乏自信的”或“过分谦逊的”，通常用来描述一个人对自己的能力或价值持怀疑态度的性格特点。

例

The diffident student rarely volunteers answers.

那个羞涩的学生很少主动回答问题

She is often diffident in new social situations.

她在新社交场合中常常羞涩胆怯

词根树

练

1.His lack of in the project led him to withdraw his investment.

A.faith

B.fidelity

C.fiduciary

D.fideism

2.The documents are confid and should only be accessed by authorized personnel (授权的人员)。

A.ant

B.ent

C.ential

D.ing

3.Her was revealed when she was caught selling company secrets.

A.perfidy

B.diffidence

C.affidavit

D.affiant

4.Despite the warnings,he chose to fy the rules and take the risk.

答案 1.A 2.C 3.A 4.de

diffuse

义 diffuse[d 'fjuːz]adj.分散的，弥漫的；难理解的，冗长的v.扩散，弥漫；传播，散布

源 dif-分开，散开+fus-流。表示“分散”、“扩散”或“散布”，可以指物质、光、声音、信息等的广泛传播或均匀分布，也可以指文章或谈话冗长且漫无边际。

例

Her laughter helped to diffuse the awkward moment.她的笑声化解了尴尬时刻

The light diffused softly through the curtains.光线柔和地透过窗帘散射开来

The company's message was deliberately diffuse.

公司发出的信息故意含糊其辞

Information technology has diffused into every aspect of life.

信息技术已经渗透到生活的各个方面

词根树

练

1.The leader's inspiring speech fused the team with new energy.

A.con

B.re

C.in

D./

2.This season brings a fusion of fresh fruits to the market.

A.dif

B.cirum

C.trans

D.pro

3.She was so in her praise of the movie that I had to see it myself.

A.fusible

B.confusable

C.refusal

D.effusive

4.It was fut trying to persuade him;his mind was already made up.

答案 1.C 2.D 3.D 4.ile

diploma

义 diploma[d 'pl m ]n.毕业证书，学位证书；公文，文书

源 di-二+pl-折叠+-oma名词后缀。字面意是“可以对折的物品”，最初指古时候折叠起来的官方文件，现指由学校、大学或其他权威机构颁发的证书、文凭等。

例

diploma and certificate文凭和证书

His diploma qualified him for the job position.

他的文凭使他有资格担任这个职位

He has a diploma in accounting and is now working as an accountant.

他拥有会计学位，现在是一名会计师

词根树

练

1.She has talents,including singing,dancing,and painting.

A.triple

B.multiple

C.simple

D.pliable

2.His nodding head plied his agreement to our plan.

A.ap

B.re

C.im

D./

3.The professor plicates complex theories in a clear and concise manner.

A.re

B.ex

C.im

D.du

4.Child labor is a form of that deprives children of their childhood.

A.application

B.supplication

C.complication

D.exploitation

答案 1.B 2.C 3.B 4.D

disaster

义 disaster [d 'zæst r] n.灾难，灾害；祸患；彻底的失败

源 dis-不，使相反 + -aster星星。即星位不正，在古代占星术中预示着灾难降临，现泛指任何重大、灾难性的不幸或损失。

例

natural disaster自然灾难，自然灾害

The hurricane caused widespread disaster and devastation.

飓风造成了广泛的灾难和破坏

Disaster relief efforts are ongoing in the affected area.

灾害救援工作在受灾区域仍在持续进行

词根树

练

1.The astro completed three spacewalks during his mission to repair the telescope.

A.loger

B.naut

C.avigation

D.nomy

2.Their quick response saved countless lives during the flood .

A.aster

B.asterisk

C.asteroid

D.disaster

3.The chef's stell cooking skills have made his restaurant a top dining destination.

A.ar

B.ate

C.ular

D.ulate

答案 1.B 2.D 3.A

discern

义 discern[d 's ːrn]v.辨别；看出；察觉出

源 dis-分开，分离 +cern-搞清，区别。表示能够清楚地看到、识别出或理解事物之间的差异，常用来描述在细微之处做出区分或判断的能力。

例

He couldn't discern any difference between them.他无法分辨他们之间的差异

The expert can discern quality by taste alone.这位专家仅凭口感就能辨别品质

The detective discerned a clue in the suspect's words.

侦探从嫌疑人的言语中察觉到了线索

词根树

练

1.The doctor completed his exam and is now board-certified (通过资格验证的)。

A.certainty

B.certitude

C.navicert

D.certification

2.The government is particularly cerned aboutthe rising unemployment rate.

A.con

B.se

C.dis

3.The hotel provided the entrance for VIP guests to ensure their privacy.

A.discrete

B.discreet

C.excretory

D.decretive

4.Sweat is a natural that helps regulate body temperature.

A.secernment

B.discretion

C.excretion

D.secretion

答案 1.D 2.A 3.B 4.D