Unit 4 Breaking boundaries一-2025-2026学年高中英语易错词汇精讲选择性必修第二册（外研版）

高中外研版选择性必修第二册 寒假专版 B版易错词汇精讲 【寒假专版】 高中·外研·选择性必修第二册Unit4 Breaking boundaries一 单元词汇总览 boundary/'baundri/n.分界线；tragic/'traed3/adj.悲惨的，不毒，给…杀菌 边界 幸的 outbreak/'aotbreik/n.爆发，突 statistic/st'tstk/n.(一项)统Ebola/i'baula/n.埃博拉病毒 然发生 计数据 combat/'kpmbaet/v.防止，抑制devotion/d'ven/n.奉献 assist/a'sIst/V.协助，帮助 relieve /ri'li:v/v.给（某人)换班vomit/'VDmIt/n.呕吐物 tackle'tak/v.处理，对付（难specialist/'spefalist/n.专家 niracle/mrkl/n.意外的幸运 题) infectious/m'fek∫3s/adj.传染性事：奇迹 iral/'varral/adj.极其重要的 的 van /vaen/n.小型货车 comrade/kpmreid/n.同志；朋clinic/'klnk/n.诊所；门诊部 twin /twin/adj.双胞胎的 友 disinfect/,dsn'fekt/v.为…消 易错词汇精讲 1.statistic/sta't虹stk/n.（一项)统计数据 ·易错点：易误用作不可数名词，忽略其为可数名词，复数形式statistics可表示“统计学”或 “统计数据（总称)”。 ·精讲：指“单个统计数据”时为可数名词，如a statistic:表示“统计学”或多个数据时用statistics。 ·例句：The statistic shows the number of students in our school has increased. ·真题链接：（外研版高中选择性必修第二册同步练习）：According to the 70%of students prefer online learning.(答案：statistics) 2.assist/3'sIst/v.协助，帮助 ·易错点：易混淆固定搭配assist sb.to do sth.与assist sb.in doing sth.,介词搭配易误用with。 ·精讲：assist后接动词时，可用不定式(todo)或介词in+动名词；接名词时用assist sb.with sth. .:(1)The nurse assisted the doctor to perform the operation.(2)He assisted me in solving the problem. ·真题链接：（外研版高中同步练习）：We are ready to assist you (complete)the project on time.(答案：to complete/in completing) 3.tackle/'tekl/v.处理，对付（难题） 高中外研版选择性必修第二册 寒假专版 ·易错点：易误加介词wth,正确用法为直接接宾语，无需介词。 ·精讲：及物动词，直接搭配tackle a problem/difficulty,相当于deal with,但更强调主动解决。 ·例句：The government is trying to tackle air pollution in big cities.. ·真题链接：（外研版高中单元测试）：It's time for us to tackle the (挑战)bravely.(答 案：challenge） 4.viral /'varral/ad.病毒性的：（信息）快速传播的 ·易错点：易误解为“极其重要的”（原输入释义有误，正确含义为“病毒的：病毒引起的：（通 过网络)快速传播的”)。 ·精讲：常见搭配viral infection（病毒感染)；viral video(网红视频)，不可用于形容“重要性”。 ·例句：The video went viral on social media overnight. ·真题链接：（外研版高中练习）：Washing hands often can prevent (病毒的)diseases. (答案：iral) 5.combat/'kpmbaet/v.防止，抑制：n.战斗 ·易错点：易混淆动词发音kam'bet/与名词发音/'kombaet/:作动词时易误加介词against。 ·精讲：作动词时直接接宾语，如combat poverty/.disease;作名词时指“战斗”，如armed combat。 ·例句：(I)We must combat corruption in society..(2)The soldiers were killed in combat. ·真题链接：（外研版高中测试）：The new policy aims to combat (失业)among young people..(答案：unemployment) 6.relieve /rI'li:v/v.缓解；减轻：给（某人）换班 ·易错点：易混淆固定搭配relieve sb.of sth.(减轻某人负担：解除某人职务)与relieve from(从 …中解脱)。 ·精讲：表示“换班”时用relieve sb.(接替某人值班)：表示“缓解痛苦”用relieve pain。 ·例句：(I)The medicine can relieve your headache.(②)He was relieved ofhis duties after the accident. ·真题链接：（外研版高中练习）：The doctor gave her an injection to relieve the (疼痛) (答案：pain） 7.infectious/m'fekfos/adj.传染性的：有感染力的 ·易错点：易与contagious混淆，两者虽都表示“传染的”，但infectious侧重通过微生物传播 (如流感)，contagious侧重接触传播（如皮肤病）。 ·精讲：常用搭配infectious disease(传染病)；infectious smile(有感染力的微笑)。 ·例句：Measles is a highly infectious disease ·真题链接：（外研版高中练习）：People with (传染性的)diseases should be isolated. (答案：infectious) 高中外研版选择性必修第二册 寒假专版 8.devotion /dr'vaun/n.奉献；忠诚 ·易错点：易误写为devotions(表示“祈祷”时用复数，其余情况多为不可数)；易混淆with devotion(充满热情地)与in devotion to(致力于)。 ·精讲：不可数名词，常用搭配devotion to sth./sb.(对…的奉献)，形容词形式为devoted。 ·例句：Her devotion to teaching won the respect of students. ·真题链接：（外研版高中测试）：We should learn from their (奉献)to the country. (答案：devotion) 9.outbreak/'aotbreik/n.爆发，突然发生 ·易错点：易误写为out break(错误拆分)，正确为合成词，需连写：常用搭配为outbreak of sth （…的爆发)。 ·精讲：指疾病、战争、暴力等的“突然爆发”，如outbreak of war/Ebola。 ·例句：The outbreak of COVID-l9 affected people all over the world. ·真题链接：（外研版高中练习）：The government took quick action to control the (爆 发)of the disease..(答案：outbreak) 10.disinfect/.dsn'fekt/v.为…消毒，给…杀菌 ·易错点：易误写为disinfact(漏写中间的e):易混淆with sterilize(灭菌，更彻底)，disinfect 侧重杀灭致病微生物。 ·精讲：及物动词，直接接宾语，如disinfect hands/surfaces。. ·例句：Nurses need to disinfect the wounds before treatment. ·真题链接：（外研版高中练习)：Remember to (消毒)the table after meals..(答案： disinfect) 11.twin /twm/adj.双胞胎的：成对的n.双胞胎之一 ·易错点：作形容词时易误用作名词，如误写“the twin brothers”为“the twins brothers”。 ·精讲：作形容词修饰名词时用twin,如twin sisters:作名词时复数为twins,指“双胞胎”。 ·例句：(I)She has a twin brother.(2)The twins are in the same class. ·真题链接：（外研版高中练习）：The (双胞胎)look exactly the same.(答案：twins) 12.clinic/klnk/n.诊所；门诊部 ·易错点：易误写为clinique(法语拼写，英语中正确为clinic):易与hospital(医院)混淆，clinic 规模更小，侧重门诊治疗。 ·精讲：常用搭配health clinic(健康诊所)；go to the clinic(去诊所)。 ·例句：You can get a flu shot at the community clinic. 高中外研版选择性必修第二册 寒假专版 ·真题链接：（外研版高中练习）：HIe went to the (诊所)to see a doctor yesterday.(答 案：clinic) 易错词汇综合训练 1.一、单项选择 1.According to the the number of COVID-19 cases has decreased recently. ·A.statistic ·B.statistics ●C.statistical ●D.statists 2.The volunteers are ready to assist the doctors the patients. ·A.with treat ●B.to treating ●C.in treating ●D.for treat 3.The local government is taking measures to tackle in rural areas. 。A.with poverty 。B.poverty ●C.against poverty ●D.poor 4.The word"viral"in"viral video"most probably means ●A.very important .B.spreading quickly online 。C.dangerous 高中外研版选择性必修第二册 寒假专版 ·D.nedical 5.We must combat to protect the environment. ●A.against pollution ●B.pollution ●C.with pollution ●D.pollute 6.The medicine can relieve her in the knee. 。A.painful ●B.pain ●C.pains ·D.painfully 7.Measles is a highly disease that can spread through the air. ●A.infectious ●B.contagious ●C.infection ·D.infect 8.Her to the job earned her the respect of all colleagues. ●A.devotions ●B.devote ●C.devotion 。D.devoting 9.The sudden of the disease caused panic in the city. 。A.out break ●B.outbreak 高中外研版选择性必修第二册 寒假专版 ·C.break out ·D.breaking out 10.Remember to the table with disinfectant before meals. ·A.disinfect ·B.sterilize 。C.infection ●D.sterile 2.二、根据句意及汉语提示完成单词 1.The (of the pandemic led to many changes in our daily life 2.She showed great (奉献)to helping the homeless.. 3.The doctor advised him to go to the (诊所)for a regular check-up 4.Washing hands frequently is an effective way to prevent (病毒性的)infections.. 5.The twins have (双胞胎的)personalities-both are outgoing and kind. 6.The new policy aims to (处理)the problem of food waste. 7.We need more (统计数据)to support our research conclusion. 8.The nurse will (协助)the surgeon during the operation 3.三、首字母填空 1.The video went v on TikTok within hours,getting millions of views. 2.The government has launched a campaign to c_ unemployment among young people. 3.His d to teaching has inspired many students to pursue careers in education 4.The hospital has a special clinic for treating i diseases 5.The team worked day and night to t the technical problems in the project. 6.According to the s 80%of students prefer learning English through movies. 7.Pleaser the pressure by taking a short break every hour. 8.The twins are so similar that even their parents sometimes mix them up-they are t_ in appearance and hobbies. 4.四、用所给单词的适当形式填空 高中外研版选择性必修第二册 寒假专版 1.The scientist spent years collecting (statistic)on climate change. 2.She assisted the old man (cross)the street safely. 3.The company is taking action to combat (pollute)from its factories. 4.His (devote)to the community service was recognized with an award. 5.The medicine is used to relieve (painful)caused by arthritis. 6.The (twin)decided to study abroad together after graduation 7.The team needs more data to tackle the problem (effective). 8.The (outbreak)of the virus was quickly controlled by strict measures. 5.参考答案 ·一、单项选择 1B2.C3B4B5.B6B7.A8.C9B10.A ·二、根据句意及汉语提示完成单词 1.outbreak 2.devotion 3.clinic 4.viral 5.twin 6.tackle 7.statistics 8.assist ·三、首字母填空 1.viral 2.combat 3.devotion 4.infectious 5.tackle 6.statistics 7.relieve 8.twin ·四、用所给单词的适当形式填空 1.statistics 2.to cross/in crossing 3.pollution 4.devotion 5.pain 6.twins 7.effectively 8.outbreak