内容正文:
期末词汇复习
必修3·北师大版·Unit8:GreenLivingLesson3
一、
重点单词详解
1:therefore
一、
核心考点
词性:副词(adv,)
核心义:adv.因此;由此
二、
构词法(词汇变形)
由there(那里)+fore(前面)构成,字面义”在那前面”,引申为因此”。
三、必记搭配与例句
连接句子:置于句首时,后接逗号;句中常用分号隔开前句,后接therefore。
例:He missed the train,therefore,he was late
逻辑关系:表示因果关系,强调结果的必然性,语气强于$0。
四、重点辨析
therefore vs.however:
前者表因果(”因此),后者表转折(”然而)。
五、作文高级句型
The project requires extensive research;therefore,we need to allocate more time to data col-
lection.
2:percentage
一、
核心考点
词性:名词(n.)
核心义:n.百分比,百分率
二、构词法(词性转换)
词根:percent(n.百分之…)
percentage=percent+-age(名词后缀,表”状态/程度)
三、必记搭配与例句
修饰词:alarge/small percentage of(大部分/小部分…),后接可数或不可数名词,谓
语动词单复数由名词决定。
A large percentage of students support the plan
固定表达:increase/decrease by a percentage(增长下降了…百分比)。
四、重点辨析
percentage vs.percent:
前者为名词,不直接接数字:后者为名词副词,需接具体数字
(如30 percent)。
3:indicate
、
核心考点
词性:动词(t.)
核心义:t表明;显示:指示
二、构词法(词性转换)
词根:indic-(point out,指示)
形容词:indicative /m'drkatrv/(adj.暗示的:指示的)
名词:indication/Ind'kern/(n.迹象;指示)
三、必记搭配与例句
接从句:indicate that..(表明…)
例:The data indicates that sales are rising.
接名词:indicate a problem//trend(显示问题/趋势)
四、重点辨析
indicate vs.suggest:前者强调”客观显示”,后者侧重主观建议/暗示。
4:disappear
一、核心考点
词性:动词(vi.)
核心义:vi.消失,不见
构词法(词汇变形)
否定前缀dis-+appear(i.出现)
名词:disappearance./,ds3 pIarans/(n.消失)
反义词:appear(i.出现)
三、必记搭配与例句
不及物动词:无被动语态,主语为人物。
例:The sun disappeared behind clouds
固定短语:disappear from sight(从视线中消失)
四、拓展用法
近义短语:go missing(失踪),fade away(逐渐消失)
5:majority
、
核心考点
词性:名词(n.)
核心义:n.大多数;多数派
二、构词法(词性转换)
词根:major-(=greater,较大的)
形容词:major/'merd3a/(adj.主要的;多数的)
反义词:minority(n.少数)
三、必记搭配与例句
固定搭配:he majority of+名词(谓语动词单复数由名词决定)。
The majority of people agree with the proposal.
介词搭配:in the majority(占多数)
四、注意事项
单独使用时视为单数:The majority is in favor.
6:attitude
二、
核心考点
词性:名词(n.)
核心义:n.看法;态度
二、构词法(常见搭配)
介词搭配:attitude to/towards..(对…的态度)
例:Her attitude towards work is positive.
形容词修饰:positive/negative/optimistic attitude(积极/消极/乐观态度)
三、拓展用法
固定句型:have a/an.attitude towards(对…持有…态度)
7:disposable
一、核心考点
词性:形容词(adj.)
核心义:adj.一次性的;用完即丢弃的
二、构词法(词性转换)
动词:dispose/dr'spauz/(t.处理;安排)
名词:disposal/dI'spauzl/(n.处理;丢弃)
三、必记搭配与例句
修饰名词:disposable chopsticks/plastic bags(一次性筷子/塑料袋)
固定短语:disposable income(可支配收入)
8:track
一、
核心考点
词性:动词(t.)、名词(n.)
核心义:vt.跟踪;追踪;n.轨道;踪迹
二、构词法(词汇变形)
动名词:tracking/rek/(n.跟踪)
反义词:lose track of(失去…的踪迹)
三、必记搭配与例句
动词短语:ack down(追踪到;查获)
例:The police tracked down the suspect.
名词短语:on track(在正轨上)
9:destination
一、
核心考点
词性:名词(n.)
核心义:n.目的地;终点
二、构词法(词性转换)
动词:destine/'destm/(t.注定;指定)
形容词:destined/'destrnd/.(ad.注定的;前往的)
三、必记搭配与例句
介词搭配:reach one's destination(到达目的地)
固定表达:final destination(最终目的地)
10:cut back on
一、
核心考点
词性:动词短语
核心义:削减,缩减
二、必记搭配与例句
接名词:cut back on expenses/waste(削减开支/浪费)
例:We need to cut back on plastic use.
同义短语:reduce,decrease,scale down
三、注意事项
on不可省略,后接名词或动名词(如cut back on smoking)。
二、词汇巩固练习
(一)单项选择(10题)
1.The experiment failed;_,we need to redesign the procedure
A)therefore
B)however
C)otherwise
D)besides
2.A large of students in our class prefer online learning.
A)percent
B)percentage
C)number
D)amount
3.The latest survey_that most people are satisfied with the new policy
A)suggests
B)indicates
C)proposes
D)advises
4.Many ancient customs have_over time due to social changes
A)disappeared
B)appeared
C)vanished
D)emerged
5.Theof the committee members voted in favor of the proposal
A)majority
B)minority
C)maximum
D)minimum
6.Her positivetowards challenges helped her achieve great success.
A)altitude
B)attitude
C)latitude
D)gratitude
7.We should avoid usingplastic products to protect the environment.
A)reusable
B)disposable
C)recyclable
D)permanent
8.The police used drones to_the suspect's movements.
A)track
B)trace
C)chase
D)hunt
9.After a long journey,we finally reached our_at midnight
A)destiny
B)destination
C)direction
D)departure
10.To save money,the company decided to_unnecessary expenses.
A)cut down
B)cut off
C)cut back on
D)cut out
(二)根据提示补全句子(6题)
1.The data shows a clear_(indicate)of economic growth.(提示:名词形式)
2.The sudden_(disappear)of the painting shocked everyone.(提示:名词形式)
3.She has a_(major)interest in environmental protection.(提示:形容词形式)
4.His words were(indicate)of his true feelings.(提示:形容词形式)
5.We need to make a_(decide)before the meeting ends.(提示:名词形式,词根decide)
6.The company announced the_(dispose)of its old equipment.(提示:名词形式)
(三)首字母填空(10题)
1.He didn't study hard;t he failed the exam
2.The p of female students in this department has increased to 60%.
3.The red lightithat we should stop driving immediately
4.Many species have d from the earth because of habitat loss.
5.The m-of people interviewed support the new law.
6.A positive a towards life can help reduce stress.
7.Using d chopsticks is a common practice in many restaurants.
8.The app can t your location and send it to your friends.
9.We need to book a hotel near our final d in advance.
10.It's necessary to c back on sugar intake for better health.
(四)答案与解析
1.单项选择答案:ABBAABBABC
2.补全句子答案:
indication disappearance major indicative decision disposal
3.首字母填空答案:
therefore percentage indicates disappeared majority attitude disposable track destination cut
英语词汇复习手册·必修3·Unit8:Green Living Lesson3