Unit 4 Space Exploration-Reading Actively-2025-2026学年高中英语重点词汇精讲选择性必修第四册（重庆大学版）

高中选择性必修第四册重庆大学版 寒假专版 C版词汇核心考点精讲 【寒假专版】 高中·重庆大学版·选择性必修第四册Unit4 Space Exploration-Reading Acively 单元词汇总览 launch /lo:nt/v.h.发射：发起；顺利地；流畅地 potential /pa'ten/adj.m.潜在 推出；发射 regularity/regju'larsti/n.规律的；可能的：潜力；潜能 orbit /'o:bit/n.N.轨道；绕…性：规则性；经常性 worthwhile/w3:θ'waI/adj.值得 运行 preparation/.prepa'reifn/n.准做的：值得的 smoothly/'smu:li/adv.平稳地；备：预备：准备工作 词汇核心考点精讲 1.launch /lo:nt/v.n.发射：发起；推出；发射 ·核心考点：词性：动词(v.)/名词(n.) 3个核心义：发射（火箭、卫星等）、发起（活动、计划等）、推出（产品、新书等） ·必记搭配与例句：●launch a satellite(发射卫星)：They will launch a satellite next month, ●launch a campaign(发起运动)：The organization launched a campaign to protect the environment, ●launch a new product(推出新产品)：The company plans to launch a new product in the market.. ·重点派生词：●launcher（名词)：rocket launcher（火箭发射器) 2.orbit/'obt/n.N.轨道：绕…运行 ·核心考点：词性：名词(n)/动词(v) 3个核心义：轨道（天体运行路径）、绕…运行（天体运动）、影响范围（抽象概念） ·必记搭配与例句：·in orbit（在轨道上)：The satellite is now in orbit around the Earth. ●orbit the Earth(绕地球运行)：The moon orbits the Earth ●come into orbit(进入轨道)：The spaceship came into orbit successfully. ·重点派生词：●orbital(形容词)：orbital mechanics(轨道力学) 3.smoothly/'smu:li/adv.平稳地；顺利地；流畅地 ·核心考点：词性：副词(adv.) 3个核心义：平稳地（运动、过程）、顺利地（事情进展）、流畅地（语言、动作） ·必记搭配与例句：·run smoothly(平稳运行)：The machine runs smoothly.. ●go smoothly(进展顺利)：Everything went smoothly during the project.. 高中选择性必修第四册重庆大学版 寒假专版 ●speak smoothly(说话流畅)：She speaks English smoothly. ·重点派生词：●smooth(形容词)：a smooth surface(光滑的表面) ●smooth(动词)：smooth the way（铺平道路) 4.regularity/regju'larati/n.规律性；规则性；经常性 ·核心考点：词性：名词(n) 3个核心义：规律性（行为、现象）、规则性（形式、结构）、经常性（发生频率） ·必记搭配与例句：●with regularity(有规律地)：He exercises with regularity. ●the regularity of tides(潮汐的规律性)：We studied the regularity of tides in geography class ●regularity of visits(来访的经常性)：Her regularity of visits made us very happy. ·重点派生词：●regular(形容词)：regular exercise(定期锻炼) ●regularly(副词)：meet regularly(定期见面) 5.preparation/,prep3'reIn/n.准备；预备；准备工作 ·核心考点：词性：名词(n) 3个核心义：准备（动作、过程）、预备（前期工作）、准备工作（具体事务） ·必记搭配与例句：●make preparations for(为…做准备)：We are making preparations for the exam ●in preparation for(为…作准备)：she is studying hard in preparation for the competition. ●preparation work(准备工作)：The preparation work has been finished ·重点派生词：·prepare(动词)：prepare for the exar(为考试做准备) ·prepared(形容词)：be prepared for(为…做好准备) 6.potential /p3ten/adj.m.潜在的；可能的：潜力：潜能 ·核心考点：词性：形容词(adj.)/名词(n.) 3个核心义：潜在的（能力、危险等）、可能的（结果、影响等）、潜力（内在能力） ·必记搭配与例句：·potential danger(潜在危险)：We should be aware of the potential danger.. ●potential customer(潜在客户)：The company is trying to attract potential customers ●develop one's potential(发挥某人的潜力)：Everyone should try to develop their potential. ·重点派生词：·potentially(副词)：potentially harmful(有潜在危害的) 7.worthwhile/,w3:0'waI/adj.值得做的；值得的；有价值的 ·核心考点：词性：形容词(adj) 3个核心义：值得做的（事情）、值得的（付出时间/精力）、有价值的（活动、经历） ·必记搭配与例句：●a worthwhile job(值得做的工作)：Teaching is a worthwhile job ●be worthwhile to do sth.(值得做某事)：It is worthwhile to learn a foreign language ●worthwhile effort(值得的努力)：His worthwhile effort finally paid off. 高中选择性必修第四册重庆大学版 寒假专版 重点派生词：无常见重点派生词，需注意与worth的辨析：woth后接名词/动名词，如worth doing sth.;worthwhile常用于It is worthwhile to do sth.doing sth.结构。 词汇核心考点综合训练 1.一、单项选择 1.The company plans to _a new smartphone next month. 。A.launch 。B.obit ●C.smooth ·D.prepare 2.The satellite is now moving-around the Earth. ·A.regularly ●B.smoothly ●C.potentially ●D.worthwhile 3.We must do enoughbefore the important meeting. ●A.preparation ●B.regularity ●C.orbit ●D.launcher 4.The moon_ the Earth every 28 days. ●A.launches ●B.orbits ●C.smooths 高中选择性必修第四册重庆大学版 寒假专版 ●D.prepares 5.His-of exercise helps him stay healthy. 。A.preparation ●B.potential 。C.regularity ·D.orbit 6.It is_to spend time learning a second language. 。A.smooth ●B.regular ●C.potential ●D.worthwhile 7.The machine runs-after being repaired. 。A.smoothly ●B.regularly ·C.potentially ·D.preparedly 8.They are making_for the coming festival. ●A.preparations ●B.regularities ●C.orbits ·D.launches 9.The_oftides is a natural phenomenon. 。A.launch ●B.orbit 高中选择性必修第四册重庆大学版 寒假专版 ·C.regularity ●D.potential 10.She has great_in music and should be trained. ·A.preparation 。B.potential ●C.regularity ●D.smoothness 2.二、根据提示补全句子 1.The team made full(prepare)for the competition. 2.He visits his grandparents with_(regular). 3.The rocket(launch)successfully yesterday. 4.This road needs to be_(smooth)before the rainy season. 5.We should develop our(potentially)abilities. 6.The satellite has been in_(orbit)for three months. 7.Her speech was delivered_(smooth)without any pauses. 8.(prepare)for the exam is very important for students. 3.三、首字母填空 1.The company will L a new product line next year. 2.The Earth's o_around the sun takes about 365 days. 3.With careful p_,the event went very well. 4.Doing exercise ris good for your health. 5.This job requires a lot of patience and p 4.参考答案 ·一、单项选择 1.A2.B3.A4.B5.C6D7.A8.A9.C10.B ·二、根据提示补全句子 1.preparations 2.regularity 3.launched 4.smoothed 5.potential 6.orbit 7.smoothly 8.Preparation 高中选择性必修第四册重庆大学版 寒假专版 ·三、首字母填空 1.launch 2.orbit 3.preparation 4.regularly 5.potential