内容正文:
Unit 3 The world online
词汇精讲精练
核心词汇概览:
webcam i pot emoji comic take off;frontier billion obviously access
extent at one's fingertips click button recipe military affair bring up
majority goods commerce deliver
词汇精讲
序号
单词/短语
词汇讲解
access
释义:n.机会,权利:入径,通道;t.到达,进入,使用
/'aekses/
词汇变形:accessible(adj)可进入的,可使用的;accessibility(m)
可接近性
搭配:have/gain access to有机会/权利使用…;access the Internet
上网:access information获取信息
易混辨析:access强调“进入的权利或途径”;approach侧重“接
近的方法或路径”
例句:Everyone should have equal access to education.
每个人都应该享有平等的教育机会。
You can access the file by clicking the link.
你可以通过点击链接访问文件。
2
extent
释义:n.程度,限度;范围
/ik'stent/
词汇变形:extend(v.)延伸;extension()扩展;extensive(adj)广
泛的
搭配:to a certain/large extent在某种程度上/很大程度上;to some
extent在某种程度上:the extent of..的范围/程度;to the extent
that..达到…的程度
易混辨析:extent常指抽象程度;range指具体变化范围;degree指
等级、程度
例句:To a certain extent,.your suggestion is practical..
在某种程度上,你的建议是可行的。
The extent of the damage is still unknown.
损害的程度尚不清楚。
frontier
释义:n.国界,边界;尖端,边缘
/'frantia(r)/
词汇变形:frontiersman(n)边疆居民;frontier(adj.)边疆的
搭配:the frontier ofscience科学前沿;on the frontier在边境上:
frontier technology尖端技术
辨析:frontier常指“边疆”或“前沿领域”;boundary指分界线:
border指国境线
例句:They explored the frontiers of space.
他们探索了太空的前沿。
The town lies on the frontier between France and Spain.
小镇位于法国和西班牙的边界。
military
释义:adj.军事的,军队的
/'mrletri/
词汇变形:militarize(v,)军事化;militia(n)民兵
搭配:military training军事训练;military force军事力量;military
service兵役
辨析:military侧重“军队的、军事的”;martial侧重“好战的、尚
武的”
例句:He decided to join the military after graduation.
他决定毕业后参军。
The government took military action to restore order.
政府采取军事行动恢复秩序。
affair
释义:n.公共事务,政治事务:事件,事情
la'fea(r)/
词汇变形:affairs(pl)事务;affair无其他变形
搭配:foreign affairs外交事务;current affairs时事;private affair
私事;affairs of state国事
辨析:affair常用复数表示“事务”;event指“重大事件”;matter
指“事情、问题”
例句:The minister is responsible for foreign affairs.
部长负责外交事务。
It's a private affair,not for public discussion.
这是私事,不供公开讨论:
6
majority
释义:n.大部分,大多数;多数票
/ma'd3Drati/
词汇变形:major(adj)主要的;minority(n)少数
搭配:the majority of大多数…:in the majority占多数:the
majority vote多数票
辨析:majority后接可数名词复数,谓语动词用单复数均可(视整体
或个体):most更口语化
例句:The majority of students support the new policy.
大多数学生支持新政策。
The party won by a majority of30 seats
该党以30个席位的多数获胜。
commerce
释义:n.商务,商业,贸易
/'kpm3:s/
词汇变形:commercial(adj)商业的;commercialize(v.)使商业化;
e-commerce(n.)电子商务
搭配:chamber of commerce商会;international commerce国际贸
易;commerce and trade商贸
辨析:commerce指大规模商业贸易;business泛指生意、买卖;
trade侧重交易行为
例句:The city has become a center of commerce.
这个城市已成为商业中心。
E-commerce has changed the way we shop
电子商务改变了我们购物的方式。
deliver
释义:t.递送,传送;发表,宣布;交出
/dI'lrva(r)/
词汇变形:delivery(m)递送;deliverer(n.)投递者
搭配:deliver a speech发表演讲;deliver goods送货;deliver a
baby接生;deliver on a promise履行承诺
辨析:deliver强调“送达”;send强调“发出”;transport侧重
“运输”
例句:The postman delivers the mail every morning
邮递员每天早上送信。
She delivered an inspiring speech at the ceremony.
她在典礼上发表了鼓舞人心的演讲。
C
obviously
释义:adv.显然,明显地
/'pbviasli/
词汇变形:obvious(adj)明显的;obviousness(n)明显
搭配:obviously enough显而易见;more obviously更明显地
辨析:obviously语气较强,强调“一目了然”;apparently侧重
“表面看来”;evidently强调“有证据表明”
例句:Obviously,he didn't understand the question.
显然,他没有理解这个问题。
The answer is obviously wrong.
答案明显是错的。
10
recipe
释义:n.食谱:方法,秘诀
/'resapi/
词汇变形:recipe复数recipes;无其他变形
搭配:arecipe for.的食谱/秘诀;recipe book食谱书;follow a
recipe按照食谱做
辨析:recipe常指烹饪配方或成功秘诀:prescription指医生开的处
方:formula指化学公式或固定方法
例句:Can you share your recipe for this cake?
你能分享这个蛋糕的食谱吗?
Hard work is a recipe for success.
努力工作是成功的秘诀。
11
at one's fingertips
释义:掌握,熟悉,了如指掌
搭配:have/keep sth.at one's fingertips对…了如指掌
辨析:athand在手边,即将到来;in hand在掌控中;at one's
fingertips强调“随时可调用”
例句:With the Internet,.all the information you need is at your
fingertips.
有了互联网,你需要的所有信息都触手可及。
He has all the facts at his fingertips.
他对所有事实了如指掌。
12
take off
释义:突然大受欢迎,迅速流行
词汇变形:take off的其他含义:起飞;脱下;休假
搭配:take off quickly迅速流行;take off in popularity人气飙升
辨析:take off作为“流行”时,主语通常是产品、风格等;catch
o也有“流行”之意,更口语化
例句:The new smartphone took offimmediately among young
people.
这款新智能手机在年轻人中立即流行起来。
Her career as a singer took off after that performance
她的歌手生涯在那场演出后腾飞了。
二、专项训练
(一)单句填空(共12小题)
1.With the rapid development of technology,everyone can gain easy
(access)to
the Internet.
2.To a certain
(extent),his success is due to his hard work,not just luck.
3.The scientists are working hard to push forward the
(frontier)ofmedicine
4.The government decided to take
(military)action to protect the border.
5.The minister is responsible for foreign
(affair)in the country
6.The
(major)of the students agreed to the plan,while only a few were against it.
7.The city has become an important center of
(commerce)in the region
8.The mailman
(deliver)the package to my house yesterday afternoon.
9.
(obvious),the little boy didn't know what had happened.
10.Could you tell me the
(recipe)for making this delicious soup?
11.As a professional journalist,he has all the latest news
his fingertips
12.The new fashion style started to
(take off)among teenagers last
month.
(二)单句表达(共8小题)
1.每个公民都应该有获得教育的机会。
Every citizen should
education
2.在某种程度上,这个决定是明智的。
certain
the decision is wise.
3探索科学前沿需要极大的勇气。
Exploring the
requires great courage
4他正在考虑参军,接受军事训练。
He is considering joining
to receive
training.
5这位外交官负责处理国际事务。
The diplomat is responsible for
6大多数学生更喜欢线上课程吗?
students prefer online courses?
7这家公司专门从事国际贸易。
This company specializes in
8你能在今天下午之前把货送到吗?
Can you
the
by this afternoon?
(三)短文填空
The rise ofe-commerce has changed our lives in many ways.With just a few clicks,we can
1
(access)a wide range of goods from all over the world.To a large 2
(extent),
this convenience has made shopping more efficient.However,it also brings challenges.For
example,the 3
(frontier)of online business is expanding rapidly,but issues such as
data security and delivery delays remain.The 4(major)of consumers still worry about
the quality ofgoods bought online.In many countries,governments are taking 5
(military)-style measures to protect national 6(commerce)interests.Obviously,
7
(obvious),such actions can affect international trade.As for sellers,they must have
the market trends 8 their fingertips.Asuccessful 9(recipe)for online sales
often includes fast 10(deliver)and good customer service.Some products 11
(take off)quickly if they meet the needs of young buyers.In the end,the whole
12
(affair)of online commerce requires continuous innovation and adaptation.
三、参考答案
(一)单句填空
1.access;2.extent;3.frontiers;4.military;5.affairs;6.majority;7.commerce;
8.delivered;9.Obviously;10.recipe;11.at;12.take off
(二)单句表达
1have access to;2.To a;extent;3.frontiers of science;4.the military;military;
5.international affairs;6.Is the majority of;7international commerce;8.deliver;goods
(三)短文填空
1.access;2.extent;3.frontier;4.majority;5.military;6.commerce;7.obviously;8.at;
9.recipe;10.delivery;11.take off;12.affair