Unit 4 Life on Mars--2025-2026学年九年级下册英语重点词汇精讲（译林版）

初中·译林·9下 寒假专版 译林版词汇核心考点精讲 【寒假专版】 初中·译林·9下Unit4 Life on Mars 单元词汇总览 Mars/ma:zn.火星 语以…的速度 agreement/A'gri:mant/.n.同意， helmet/'helmit/n.头盔 uncomfortable /An'kAmftabl/adj. 一致 air tank/e3 tank/n.氧气罐，空使人不舒服的 distance/'distans/n.距离 气罐 oxygen/'ksId3n/n.氧气 possibility/.pDsa'brlati/n.可能 dried food/drad fu:d/n.千制食in the form of/m 8a fo:m Dv/短性 品，干粮 语以…的形式 alien/'erlian/n.外星人 power pack/'paw3 paek/n.电源tasy'tersti/adj.美味的，可口的doubt/dat/n.疑惑，疑间 包，电源组 specially/'spefali/adv.专门地，stranger/'stremd3a(r)/n.陌生人 sleeping bag/'slip叫begn.睡特意地 carry out/'kari aot/短语执行， 袋 float/flat/vi.漂浮 实行 gravity/'graeviti/n.重力，地心compare with /kam'pe3wId/短percentage /p3'sentId3/n.百分 引力 语与…相比 比，百分率 planet/'plaenit/n.行星 compare to /kam'pe的tu:/短语把 disadvantage disad'va:ntid3/n. crowded/'kraodid/ad.拥挤的，…比作 不利条件，劣势 挤满的 interplanetary/,nta'plaentri/adj.risk /isk/n.危险，风险 polluted /p3lutd/adj.受污染的 行星间的 after all/'a:fto >:l/短语毕竟，终 rapid/'raepid/adj.迅速的，快速network/'netw3k/n.网络 究 的 challenging/'"t∫elmd3/adj.富goods/gudz/n.商品，货物 increase/mki:s/t.增加，增长有挑战性的 electronic/,lek'tronik/adj.电子 all over again/:1'ov33'gen/短rapidly/'pidli/adv.迅速地，快的 语再一次，重新 速地 entertainment /enta'teinmant/n. passenger'paesmd3a(r)/n.乘客，aware /a'wea)/adj.意识到的，娱乐，娱乐表演 旅客 知道的 at the speed of/aet 0a spi:dDv/短circle/'s3kl/vi.盘旋，环行 词汇核心考点精讲 l.increase/m'kis/t.增加，增长 ·核心考点：词性：动词(t.)、名词(n) 2个核心义：增加，增长（动词）：增加量，增长额（名词） ·必记搭配与例句：·increase by(增加了)：The population increased by 10%. ●increase to(增加到)：The temperature increased to30C. 初中·译林·9下 寒假专版 ●on the increase(在增加)：Crime is on the increase. ·重点派生词：·increasing(形容词)：increasing number(越来越多的数量) ·increasingly(副词)：increasingly important(越来越重要) 2.compare /kam'pe3/V.比较 ·核心考点：词性：动词(v) 2个核心义：比较(compare with)、把…比作(compare to) ·必记搭配与例句：·compare with（与…相比)：Compare this book with that one. ●compare to(把…比作)：Teachers are often compared to candles. beyond compare(无与伦比)：Her beauty is beyond compare. ·重点派生词：●comparison（名词)：make a comparison(做比较) ●comparative(形容词)：comparative study(比较研究) 3.challenging/'t∫elmd3/adj.富有挑战性的 ·核心考点：词性：形容词(adj) 1个核心义：富有挑战性的，具有难度的 ·必记搭配与例句：·challenging task(具有挑战性的任务)：This is a challenging task ·find sth.challenging(觉得某事有挑战性)：I find English challenging. ·重点派生词：·challenge(动词/名词)：face a challenge(面对挑战)：challenge sb.(挑战某人) 4.possibility/,pDsa'bilati/n.可能性 ·核心考点：词性：名词(n) 1个核心义：可能性，可能发生的事 ·必记搭配与例句：●there is a possibility that..(有可能…)：There is a possibility that it will rain, ●the possibility of(…的可能性)：the possibility of success（成功的可能性) ·重点派生词：●possible(形容词)：It is possible to finish it. ●possibly（副词)：Possibly,,we will go tomorrow. 5.disadvantage/.dsad'va:ntId3/n.不利条件，劣势 ·核心考点：词性：名词(n) 1个核心义：不利条件，劣势 ·必记搭配与例句：●have a disadvantage(有劣势)：He has a disadvantage in height, ●disadvantage of(…的缺点)：the disadvantage of living alone(独居的缺点) ·重点派生词：●advantage(反义词)：have an advantage(有优势) ·disadvantaged(形容词)：disadvantaged groups(弱势群体) 初中·译林·9下 寒假专版 6.electronic/M,lek'tonk/adj.电子的 ·核心考点：词性：形容词(adj) 1个核心义：电子的，电子设备的 ·必记搭配与例句：●electronic products(电子产品)：We use many electronic products. ●electronic device(电子设备)：This is an electronic device. ·重点派生词：·electric(形容词)：electric light(电灯) ·electricity(名词)：generate electricity(发电) 7.entertainment/,ent?'temmant/n.娱乐，娱乐表演 ·核心考点：词性：名词（n.) 1个核心义：娱乐，娱乐活动 ·必记搭配与例句：●forms of entertainment(娱乐形式)：Movies are a form of entertainment,. ●provide entertainment(提供娱乐)：The park provides entertainment for children. ·重点派生词：●entertain(动词)：entertain guests(招待客人) ●entertaining(形容词)：an entertaining story(有趣的故事) 8.aware/A'wea(r)/adj.意识到的，知道的 ·核心考点：词性：形容词(adj) 1个核心义：意识到的，知道的 ·必记搭配与例句：·be aware of(意识到)：I am aware of the problem ●be aware that..（意识到…)：She is aware that time is limited ·重点派生词：●awareness(名词)：environmental awareness(环保意识) ●unaware(反义词)：He was unaware of the danger.. 9.percentage /p3'sntd3/n.百分比，百分率 ·核心考点：词性：名词(n) 1个核心义：百分比，百分率 ·必记搭配与例句：·a high percentage of(高比例的)：A high percentage of students like music. ●percentage of.(…的百分比)：What's the percentage of boys in your class? ·易混辨析：·percent(百分之一)：50 percent(50%);percentage(百分比，整体概念)：The percentage is high l0.rapidly/rapidli/adv.迅速地，快速地 ·核心考点：词性：副词(adv.) 1个核心义：迅速地，快速地 初中·译林·9下 寒假专版 ·必记搭配与例句：●grow rapidly(快速增长)：The city is growing rapidly. ·change rapidly(迅速变化)：Technology changes rapidly. ·重点派生词：·rapid(形容词)：rapid development(快速发展) ·rapidity(名词)：the rapidity of the process(过程的迅速) 11.risk /risk/n.危险，风险 ·核心考点：词性：名词(n)、动词(v.) 2个核心义：危险，风险（名词）：冒…的风险（动词) ·必记搭配与例句：●take a risk(冒险)：He took a risk to save the child. ●risk doing sth.(冒险做某事)：Don't risk climbing that tree.. ·必记短语：·at risk(处于危险中)：Smokers are at risk of illness.. 12.agreement/月'gri:mant/n.同意，一致 ·核心考点：词性：名词(n) 2个核心义：同意，一致（意见）：协议（文件） ·必记搭配与例句：●reach an agreement(达成协议)：They reached an agreement finally. ●in agreement with(同意…)：I am in agreement with you, ·重点派生词：·agree(动词)：agree to do sth.(同意做某事) ●disagreement(反义词)：have a disagreement(有分歧) 13.distance/distans/n.距离 ·核心考点：词性：名词(n) 1个核心义：距离，间距 ·必记搭配与例句：●a long distance(长距离)：It's a long distance from here to Beijing. ●in the distance(在远处)：I saw a ship in the distance. ·重点派生词：●distant(形容词)：distant relatives(远亲) ●distance learning(远程教育)：Now many people choose distance learning,. 14.polluted /p3'lutd/adj.受污染的 ·核心考点：词性：形容词(adj) 1个核心义：受污染的 ·必记搭配与例句：●polluted air(受污染的空气)：We should protect ourselves from polluted air. ●polluted water(受污染的水)：Polluted water is harmful to health ·重点派生词：●pollute(动词)：pollute the environment(污染环境) ●pollution（名词)：air pollution(空气污染) 初中·译林·9下 寒假专版 15.uncomfortable/n'kAmftabl/adj.使人不舒服的 ·核心考点：词性：形容词(adj) 1个核心义：使人不舒服的，不自在的 ·必记搭配与例句：●feel uncomfortable（感到不舒服)：She felt uncomfortable in the tight shoes.. ●uncomfortable situation（尴尬的局面)：He was in an uncomfortable situation. ·重点派生词：●comfortable(反义词)：a comfortable chair(舒适的椅子) ·comfortably(副词)：sit comfortably(舒服地坐着) 词汇核心考点综合训练 1.一、单项选择 1.The population of the city has increased20%in the past five years. ·A.by ●B.to 。C.on ●D.with 2.Teachers are often compared-candles,giving light to others. ●A.with 。B.to 。C.for 。D.as 3.This math problem is really.I need to spend more time on it. ·A.challenge 。B.challenging ·C.challenged ·D.challenges 4.There is a that we will have a picnic this weekend if the weather is good. 初中·译林·9下 寒假专版 ·A.possible ·B.possibly ●C.possibility ·D.impossibility 5.One of the of living in the city is the high cost of housing. ●A.disadvantages ●B.advantages 。C.disadvantage 。D.advantage 6.We use manyproducts in our daily life,such as computers and phones. ●A.electricity 。B.electric ·C.electronic ·D.electrically 7.Reading books is a popular form of-for many people. ●A.entertain ●B.entertainment ●C.entertaining ●D.entertained 8.You should be_of the danger when swimming in deep water. ●A.aware ●B.awareness ●C.unaware 初中·译林·9下 寒假专版 ●D.awaring 9.A high of students in our class like learning English. ·A.percent ·B.percentage ●C.percent of ●D.percentages 10.Technology is changing-,so we need to keep learning new things. ·A.rapid ●B.rapidity ·C.rapidly ·D.more rapid 2.二、根据提示补全句子 1.The number of students in our school is_(increase)every year..(提示：increase的现在分词) 2.It's一(possible)to finish the work in such a short time.(提示：possible的反义词) 3.He has many一(advantage)in the competition,.so he is likely to win.(提示：advantage的复数形 式) 4.We should protect the environment from一_(pollute).(提示：pollute的名词形式) 5.The story is very_(entertain),so all the children love it.(提示：entertain的形容词形式) 6.She speaks English_(comfortable)because she practices every day.(提示：comfortable的副词形 式) 7.The_(compare))between the two books shows they have different styles.(提示：compare的名词 形式) 8.We need to improve our_(aware)of saving water.(提示：aware的名词形式) 3.三、首字母填空 1.The temperature will i to 35C tomorrow,so we need to stay cool. 2.My parents often tell me not to take rwhen crossing the street. 3.The distance from my home to school is about two k,so I usually walk. 初中·译林·9下 寒假专版 4.We reached an aafter a long discussion about the project. 5.Edevices like smartphones make our life more convenient. 4.参考答案 ·一、单项选择 1.A2.B3B4.C5.A6.C7.B8.A9.B10.C ·二、根据提示补全句子 1.increasing 2.impossible 3.advantages 4.pollution 5.entertaining 6.comfortably 7.comparison 8.awareness ·三、首字母填空 1.increase 2.risk 3.kilometers 4.agreement 5.Electronic