内容正文:
高中必修二人教
【同步精讲】
Unit3词汇变形及词缀精讲
词汇精讲
Unit 3 The Internet
词汇变形及词缀精讲
全部单元单词
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高中必修二人教
【同步精讲】
Unit3词汇变形及词缀精讲
crash /kraef/vi.&t.碰撞:撞享;分配;n.一份:份额:股份
·end /trend/n.趋势;趋向:倾
击:崩溃:n撞车;碰撞:崩溃share sth.with sb.与某人分享
向;vi.倾向;趋向
reliable /r'larabl/ad.可靠的:某物
keep an eye on留意;密切关注
可信赖的
access/'eekses/n.通道;(使用、update/,△p'det/t.更新:向
server's3va/n.服务器:发查阅、接近或面见的)机会;权…提供最新信息:n.更新:最
球者
利:t.进入;使用:获取
新消息
source/s:sn.来源:出处;原accessible /ak'sesabl//adj.可接aware /a'wear)/adj.知道;意识
始资料
近的:可使用的:易得到的
到:察觉到
accurate/'aekjrt/adj.准确的;at your convenience在你方便be aware of意识到;察觉到
精确的
的时候
tend/tend/vi..倾向;趋于:t.
accuracy/'ekjarasi/n.准确性;ia/vae/prep.经由;通过;凭照料;照顾
精确性
借
tend to do sth.倾向于做某事;
assess /'ses/vt.评估:评价:估link /lmk/n.联系;纽带:链接;往往会做某事
计
t.&vi.连接:关联
negative/'negatrv/ad.消极的:
assess sth.评估某物
link…to.把…和…连接起负面的:否定的:n.否定词;负
reference/'refrans/n.参考;参来
数
照:引用:查阅
click /klik/t.&vi.点击:咔嗒positive/'pDzatrv/adj.积极的;
refer to指的是:描述;提到:查声:n.点击:咔嗒声
正面的:肯定的:n.正数:正面
阅
keyword/'ki.w3:d/n.关键词
因素
classify/'klaesfal/vt.分类:归biography /ba'pgr3fi/n.传记:impact/'mpaekt/n.影响:冲击:
类
传记作品
撞击:t.&vi.影响:冲击
classification/klaesrfi'keun/n.chat/∫et/vi.&n.聊天:闲谈
have an impact on对…有影
分类:归类:分级
chat room聊天室
响
sort/so:t/t.分类:整理:n.种fluent/flu:ant/adj.(尤指外语)constant/'konstant/adi.持续的:
类;类别
流利的:熟练的
不断的:恒定的:n.常数:常量
sort out分类;整理
fluently/flu:entli/adv.流利地;constantly/'kpnstantli/adv.持
file /farl/n.文件:档案;文件夹;流畅地
续地;不断地
t.把…归档:提交(文件)
advantage/ad'va:ntId3/n.优势;evolution/,iva'lum/n.进化:演
storage/'sto:rId3n.储存;储藏;有利条件
变:发展
存储量
disadvantage /,disad'va:ntid3/n.
cloud storage云存储
劣势:不利条件
share/fes(r)/vt.&i.分享;共keep up with跟上;赶上
词汇变形及词缀精讲
l.reliable /r'larabl/adj.可靠的;可信赖的
动词形式:ely(依赖;依靠)
副词形式:reliably(可靠地)
构词解析:前缀re-:表“再次、重复”;词根ly(=bind,捆绑):后缀-able:加在动词后,构成形
容词,表“可…的:能…的”。
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高中必修二人教
【同步精讲】
Unit3词汇变形及词缀精讲
You can rely on him to finish the task on time because he is a reliable person.
真题链接(人教版高中必修二同步练习):It's important to choose a(tely)source of information
when doing research.(答案:reliable)
2.accurate/'aekjarat/adj.准确的:精确的
名词形式:accuracy(准确性;精确性)
副词形式:accurately(准确地)
构词解析:前缀ac(=ad-,表“朝向”):词根cur(=care,关心):后缀-ate:构成形容词,表“具
有…性质的”;-Cy:构成名词,表“性质、状态”。
例句:The data must be accurate to ensure the experiment's success.
真题链接(人教版高中必修二教材例句):We need to check the accuracy of the information before
publishing it.
3.classify/'klaesifa/t.分类:归类
名词形式:classification(分类;归类;分级)
构词解析:前缀class(类别);后缀-ify:加在名词或形容词后,构成动词,表“使…化;使成为
…”;-ication:构成名词,表“行为、过程或结果”。
例句:We can classify these books by subject..
真题链接(人教版高中必修二同步练习):The_(classify)of animals into different groups helps
us study them better.(答案:classification)
4.accessible/k'sesabl/adj.可接近的;可使用的;易得到的
动词形式:access(进入;使用:获取)
名词形式:access(通道;机会;权利)
构词解析:前缀ac(=ad-,表“朝向”):词根cess(=go,走):后缀-ible:构成形容词,表“可
…的”。
例句:The library is accessible to all students during school hours
真题链接(人教版高中必修二教材例句):You can access the file via the shared drive at your convenience.
5.fluent/flu:ant/adj.(尤指外语)流利的:熟练的
副词形式:fluently(流利地:流畅地)
名词形式:fluency(流利度;流畅度)
构词解析:词根flu(=flow,流动):后缀-et:构成形容词,表“具有…性质的”;-ly:构成副
词;-ency:构成名词,表“性质、状态”。
例句:She speaks English fluently after years of practice.
真题链接(人教版高中必修二同步练习):To improve your English
(fluent),you should practice
speaking every day..(答案:fluency)
6.negative/'negstrv/adj.消极的;负面的;否定的;n.否定词;负数
反义词:positive(积极的;正面的;肯定的)
构词解析:前缀neg-(表“否定、相反”):后缀-ative:构成形容词或名词,表“具有…性质的:
与…有关的”。
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高中必修二人教
【同步精讲】
Unit3词汇变形及词缀精讲
例句:Don't have a negative attitude towards new challenges.
真题链接(人教版高中必修二教材例句):The Internet has both positive and negative impacts on
teenagers.
7.constant/'kpnstant/.adj.持续的;不断的:恒定的:n.常数;常量
副词形式:constantly(持续地;不断地)
构词解析:前缀con-(表“共同、一起”):词根stant(=stand,站立):后缀-ant:构成形容词或名
词,表“处于…状态的:…的人/物”:y:构成副词。
例句:The company faces constant changes in the market.
真题链接(人教版高中必修二同步练习):Technology is
(constant)improving,so we need to
keep learning.(答案:constantly)
8.evolution/i:ve'lu:n/n.进化;演变;发展
动词形式:evolve(进化;演变;发展)
构词解析:前缀e(=ex-,表“出、向外”):词根volv(可oll,滚动);后缀-tion:构成名词,表
“动作、过程或结果”。
例句:The theory of evolution was proposed by Charles Darwin.
真题链接(人教版高中必修二教材例句):Smartphones have evolved rapidly over the past decade..
9.disadvantage/,dsad'va:ntId3/n.劣势;不利条件
反义词:advantage(优势;有利条件)
构词解析:前缀dis(表“否定、相反”);advantage(优势);后缀-age:构成名词,表“状态、性
质”。
One disadvantage of online shopping is that you can't try products in person.
真题链接(人教版高中必修二同步练习):Compared with traditional stores,.online shops have both
advantages and_(advantage).(答案:disadvantages)
l0.assessment/A'sesmant/n.评估;评价
动词形式:assess(评估;评价:估计)
构词解析:前缀as-(=ad,表“朝向”):词根sess(=sit,坐);后缀-ment:构成名词,表“动作、
过程或结果”。
例句:The teacher will make an assessment of our group project next week,
真题链接(人教版高中必修二同步练习):It's difficult to(assessment)the impact of the new
policy in a short time.(答案:assess)
l1.refer /r'f3:(r)/vi.&t.查阅:参考:提到
名词形式:reference(参考:参照:引用)
构词解析:前缀re(表“再次、回”):词根fer(=cary,携带):后缀-ence:构成名词,表“动作、
过程或结果”。
例句:If you don't know the word,you can refer to a dictionary..
真题链接(人教版高中必修二教材例句):For further information,.please see the references at the end
of the book.
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高中必修二人教
【同步精讲】
Unit3词汇变形及词缀精讲
l2.update/,△p'det/vt.更新:向…提供最新信息;n.更新;最新消息
名词形式:update(更新;最新消息)
构词解析:前缀up-(表“向上、完全”):词根date(日期):无特殊后缀,动词和名词同形。
例句:Remember to update your software to fix security issues.
真题链接(人教版高中必修二同步练习):We need the latest
(update)on the project's progress.
(答案:update)
综合训练
一、根据句意及汉语提示完成单词
l.The new library is_(可使用的)to all citizens for free.
2.We need to check the_(准确性)of the data before analysis.
3.The()of mobile payment has changed people's lifestyles.
4.Her_(流利度)in French impressed all the interviewers.
5.You can get()to the lab through the back door.
二、用所给单词的适当形式填空
1.This report provides a_(rely)analysis of market trends.
2.The company is trying to make its products more-(access)to low-income groups.
3.It's difficult to_(assessment)the damage caused by the storm quickly.
4.She speaks three languages_(fluent),including Spanish and German.
5.The(classify)of plants based on their flowers is a common method in botany.
三、完成句子(每空一词)
1.科学家们正在研究物种的一(进化过程)
Scientists are studying the-of species.
2.这个APP允许用户一(获取)最新的新闻资讯
This APP allows users to_the latest news and information.
3.为了提高一(英语流利度),他每天坚持和外教对话。
To improve his English_,he practices conversations with foreign teachers daily
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高中必修二人教
【同步精讲】
Unit3词汇变形及词缀精讲
4.这家博物馆对残疾人是一(可进入的),设有无障碍通道
The museum is-to disabled people with wheelchair access.
四、语篇填空
阅读下面短文,在空白处填入一个适当的单词或用括号内单词的正确形式填空,使短文通顺、连
贯。
In modern society,information_(access)is crucial for learning.Students need_(rely)sources to
study effectively.For example,a biology student may_(classify)organisms by their characteris-
tics,requiring high_(accurate)in data collection.Language learners often aim for_(fluent)in
speaking,which comes from constant practice.However,-(negative)attitudes can hinder progress.
Thus,maintaining a positive mindset and_(constant)updating knowledge are keys to success.
参考答案
I.根据句意及汉语提示完成单词
6.accessible 7.accuracy 8.evolution 9.fluency
10.access
Ⅱ.用所给单词的适当形式填空
6.reliable 7.accessible 8.assess 9.fluently 10.classification
I.完成句子
5.evolution 6.access 7.fluency 8.accessible
V.语篇填空
1.access 2.reliable 3.classify 4.accuracy 5.fluency 6.negative 7.constantly
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