内容正文:
期末词汇复习
选择性必修第四册·重庆大学版·Unit4 Space Exploration-Readi
ngAcively
一、重点单词详解
1:launch
一、核心考点
词性:动词/名词(v.m.)
核心义:v.发射:发起;推出:n.发射:(新产品的)上市
二、必记搭配与例句
launch a satellite/.missile(发射卫星/导弹)
launch a campaign/program(发起运动/项目)
launch a new product(推出新产品)
launch into sth.(开始做某事;投身于)
the launch of a spaceship(宇宙飞船的发射)
a product launch(产品发布会)
三、重点用法
主动/被动语态:表示”发射m'推出”时常用被动语态(如The satellite was launched in
2023.)
语境差异:作”发起”时,宾语多为抽象名词(campaign,movement,.investigation等)
2:orbit
一、
核心考点
词性:名词动词(n..)
核心义:n.轨道;v.绕…运行
二、必记搭配与例句
in orbit(在轨道上)
the earth's orbit around the sun(地球绕太阳运行的轨道)
orbit around(绕.…运行)
The moon orbits the earth.(月球绕地球运行。)
三、
重点用法
科学术语:astronomical orbit(天文轨道);low-earth orbit(近地轨道)
比喻用法:be trapped in an orbit of poverty(陷入贫困的循环)
3:smoothly
一、核心考点
词性:副词(adv.)
核心义:adv.平稳地;顺利地;流畅地
、
必记搭配与例句
n smoothly(运行平稳)
go smoothly(进展顺利)
speak smoothly(说话流畅)
proceed smoothly(顺利进行)
smoothly done(干得漂亮)
三、重点用法
反义表达:roughly/'rAfi/(粗糙地;粗略地)
对比:smooth(adj.)a smooth surface(光滑的表面):smoothly(adv.)The car ran smoothly.
(汽车平稳行驶。)
4:regularity
一、核心考点
词性:名词(n.)
核心义:n.规律性;规则性;经常性
二、必记搭配与例句
with1 egularity(有规律地)
the regularity of the tides(潮汐的规律性)
maintain regularity(保持规律性)
observe regularity in.(在…方面遵守规律)
三、重点用法
反义词:irregularity1,regju'laerati/(不规则;异常现象)
语境运用:Regularity in exercise is important for health.(规律锻炼对健康至关重要。)
5:preparation
一、
核心考点
词性:名词(n.)
核心义:n.准备;预备:准备工作
二、必记搭配与例句
make preparations for(为…做准备)
in preparation(在准备中)
preparation for the exam(考试准备)
prepare for sth.(为某事做准备)
prepare to do sth.(准备做某事)
prepare sb.for sth.(使某人准备好某事)
三、重点用法
可数/不可数差异:表示准备工作”时常用复数(preparations):泛指”准备时不可数
固定句型:be in preparation for(为…做准备)
6:potential
一、核心考点
词性:形容词/名词(adj.m.)
核心义:adj.潜在的;可能的;n.潜力;潜能
二、必记搭配与例句
potential danger(潜在危险)
potential customers(潜在客户)
develop one's potential(开发某人的潜力)
have great potential(有巨大潜力)
the potential to do sth.(做某事的可能性)
三、重点用法
固定搭配:potential for sth.(…的可能性/潜力)
对比:potential(adj.)vs.possible(adj.):potential强调”潜在未发挥的”,possible强
调”可能发生的
7:worthwhile
一、核心考点
词性:形容词(adj.)
核心义:adj.值得做的;值得的
二、必记搭配与例句
It is worthwhile to do sth.(做某事是值得的)
It is worthwhile doing sth.(做某事是值得的)
a worthwhile project(值得做的项目)
a worthwhile effort(值得付出的努力)
三、重点用法
对比:worthwhile vs..worth vs.worthy
worthwhile::作表语或定语(It is worthwhile./a worthwhile task)
woth:只作表语,后接名词/动名词(The book is worth reading.)
worthy:作表语(be worthy of sth./be worthy to be done)
二、词汇巩固练习
(一)单项选择(10题)
1.The company plans to_a new smartphone model next month.
A)launch
B)orbit
C)prepare
D)potential
2.The satellite has successfully entered its__around the Earth.
A)smoothly
B)regularity
C)orbit
D)preparation
3.With careful planning,the project went from start to finish.
A)smooth
B)smoothly
C)rough
D)roughly
4.Maintaining in daily exercise is key to staying healthy.
A)regular
B)regularly
C)regularity
D)irregularity
5.All for the exam should be completed by Friday.
A)prepare
B)prepared
C)preparation
D)preparations
6.The new technology has greatto improve people's lives.
A)potential
B)potentially
C)potent
D)potency
7.It is to spend time learning a second language.
A)worth
B)worthy
C)worthwhile
D)worthless
8.The rocket was_into space at dawn yesterday.
A)launch
B)launched
C)launching
D)launcher
9.The moon the Earth every 27.3 days.
A)orbits
B)orbital
C)orbiting
D)orbit
10.Her speech was delivered-and everyone could follow easily
A)smooth
B)smoothly
C)rough
D)roughly
(二)根据提示补全句子(10题)
1.The team made thorough(prepare)for the competition
2.This new machine runs much more(smooth)than the old one.
3.The(regular)of his daily routine helps him stay productive.
4.She has the (potential)to become a great musician.
5.After years of training,he can speak English-(smooth)
6.The_(launch)of the new spaceship was broadcast live.
7.We need to(preparation)for the upcoming meeting.
8.The_(orbit)module separated from the rocket successfully.
9.It is(worthwhile)to invest in renewable energy.
10.The company is researching new ways to_(launcher)satellites more efficiently.
(三)首字母填空(10题)
1.The company's new product1was attended by many journalists.
2.The satellite is now in a stable o_around Mars.
3.The conference proceeded swithout any technical problems
4.R in sleep patterns is important for mental health
5.All p for the trip should be finished by next Monday.
6.This area has great pfor economic development
7.It is wto take the time to learn basic first aid skills
8.The rocket 1 site was closed to the public during the test
9.The Earth's o_around the sun takes about 365 days.
10.The machine runs seven in extreme weather conditions.
(四)答案与解析
1.单项选择答案:A C B C D AC B A B
2.补全句子答案:preparations
smoothly regularity
potential smoothly launch
prepare orbital worthwhile launch
3.首字母填空答案:launch orbit smoothly Regularity
preparations potential
worthwhile launch orbit smoothly
英语词汇复习手册·选择性必修第四册·Unit4 Space Exploration-Reading Acively