Unit 4 Breaking boundaries一-2025-2026学年高中英语固定搭配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】 Unit4固定搭配精讲 单元精讲 【Unit4】Breaking boundaries 固定搭配精讲 全部单元单词 boundary /'baondri/n. 分界线：tragic/tred3kadj.悲惨的，不毒，给…杀菌 边界 幸的 outbreak/'aotbreik/n.爆发，突 statistic/st'tistik/n.(一项)统Ebola/i'b3l3/h.埃博拉病毒 然发生 计数据 combat/'kombaet/y.防止，抑制devotion/d'vanh.奉献 assist/A'SIst/v.协助，帮助 relieve /r'li:vw.给（某人)换班vomit/vomit/n.呕吐物 tackle/'taekl/v.处理，对付（难specialist/'spe∫alrst/n.专家 mir acle/'mirakl/m.意外的幸运 题) infectious/m'feks/adj.传染性事；奇迹 viral/'varrel/adj.极其重要的 的 van /vae/n.小型货车 comrade/'kDmreid/n.同志；朋clinic/'klmik/n.诊所；门诊部 twin/twm/adj.双胞胎的 友 disinfect/,dsm'fekt/w.为…消 固定及常见搭配 1.assist /a'sIst/W.协助，帮助 核心搭配： assist sb.with sth.协助某人做某事 assist in doing sth.协助做某事 assist sb.to do sth.帮助某人做某事 精讲： assist为及物动词，后接宾语时需搭配介词with或in,强调“辅助性帮助”，区别于help(直接 帮助)。 例句： The nurse assisted the doctor with the operation 真题链接： We are ready to assist you (complete)the project on time..(答案：to complete) 2.tackle/'taekI/v.处理，对付（难题） 核心搭配： tackle a problem解决问题 1 高中外研版 【选择性必修第二册】 Unit4固定搭配精讲 tackle with sth.与…作斗争 tackle the issue处理议题 精讲： tackle为及物动词，直接接宾语，常用于正式语境，强调“主动应对困难”。 例句： The government is taking measures to tackle air pollution 真题链接： It's time to the root cause of the conflict.(答案：tackle) 3.relieve /rI'li:vw.给（某人）换班；缓解 核心搭配： relieve sb.of sth.解除某人的（负担、职责） relieve pain缓解疼痛 relieve stress减轻压力 精讲： relieve作“换班”时，常用搭配relieve sb.at sth.;作“缓解”时，直接接宾语。 例句： The new medicine can relieve the patient's suffering. 真题链接： The doctor gave him an injection to__his headache.(答案：relieve) 4.specialist/'spefalist/h.专家 核心搭配： a specialist in sth.…方面的专家 consult a specialist咨询专家 see a specialist看专科医生 精讲： specialist为可数名词，后接介词in表示“某领域专家”，区别于expert(泛指专家)。 例句： She is a specialist in infectious diseases 真题链接： You'd better consult a heart about your condition.(答案：specialist) 5.infectious/m'fekfos/adj.传染性的 核心搭配： infectious disease传染病 be infectious to sb.对某人有传染性 highly infectious高度传染性的 精讲： infectious强调“通过接触传播”，其名词形式是infection(感染)。 例句： 2 高中外研版 【选择性必修第二册】 Unit4固定搭配精讲 Ebola is a highly infectious virus. 真题链接： Measles is an disease that can spread easily.(答案：infectious) 6.disinfect/.dism'fekt/y.为…消毒，给…杀菌 核心搭配： disinfect the room给房间消毒 disinfect hands洗手消毒 disinfect with sth.用某物消毒 精讲： disinfect为及物动词，常用于医疗、卫生场景，名词形式是disinfection. 例句： Nurses need to disinfect the tools before surgery. 真题链接： Remember to the wound with alcohol before bandaging.(答案：disinfect) 7.devotion/d'vaun/m.奉献 核心搭配： devotion to sth.对…的奉献 devotion to duty忠于职守 show devotion to对…表现出奉献 精讲： devotion为不可数名词，后接介词to,强调“全身心投入”。 例句： His devotion to teaching won the respect of students. 真题链接： Mother Teresa was famous for her to the poor.(答案：devotion) 8.outbreak/'autbreik/n.爆发，突然发生 核心搭配： an outbreak of sth.…的爆发 prevent an outbreak防止爆发 control the outbreak控制疫情 精讲： outbreak为可数名词，常用搭配an outbreak of disease(疾病爆发)，动词多用prevent/control。 例句： The government took action to stop the outbreak of flu 真题链接： The recent .of COVID-l9 has affected many countries.(答案：outbreak) 9.combat/'kDmbaet/v.防止，抑制 3 高中外研版 【选择性必修第二册】 Unit4固定搭配精讲 核心搭配： combat against sth.与…作斗争 combat disease防治疾病 combat poverty对抗贫困 精讲： combat为及物动词，后接宾语，也可作名词（战斗），常用于正式语境。 例句： Scientists are working to combat the spread of Ebola 真题链接： We must take steps to environmental pollution.(答案：combat) l0.boundary/'baundri/n.分界线：边界 核心搭配： cross the boundary越过边界 set a boundary设定界限 the boundary between A and B A和B之间的界限 精讲： boundary为可数名词，强调“地理或抽象的界限”，区别于border(边境线)。 例句： The river forms a natural boundary between the two countries. 真题链接： The between art and science is not always clear.(答案：boundary) 11.statistic/sta'tstk/n.(一项)统计数据 核心搭配： collect statistics收集统计数据 official statistics官方统计数据 according to statistics根据统计 精讲： statistic为可数名词，复数形式statistics可表示“统计学”，作“数据”时单复数同形。 例句： The statistics show that crime rates are falling. 真题链接： According to the latest house prices have increased by5%.(答案：statistics) 12.pay attention to注意；关注 核心搭配： pay attention to sth.注意某事 pay attention to doing sth.注意做某事 pay more attention to更加注意. 精讲： 4 高中外研版 【选择性必修第二册】 Unit4固定搭配精讲 短语中to是介词，后接名词、代词或动名词，不能接动词原形。 例句： Doctors must pay attention to disinfecting tools before use. 真题链接： Please pay attention to (wear)protective clothing in the clinic..(答案：wearing) 13.connect/k3'nekt/w.连接；联系 核心搭配： connect A with B把A和B联系起来 connect to连接到… 精讲： connect with强调“建立关联”，connect to强调“物理上的连接”。 例句： The report connects smoking with lung cancer. 真题链接： Scientists are trying to the outbreak with animal trade.(答案：connect) 14.take action采取行动 核心搭配： take immediate action立即采取行动 take action to do sth.采取行动做某事 take effective action采取有效行动 精讲： action为不可数名词，take action是固定短语，强调“付诸实践”。 例句： The government must take action to tackle the virus outbreak. 真题链接： It's time for us to to protect endangered species.(答案：take action) 综合训练 综合训练 一、 单项选择 1.The nurse will assist the doctor the operation this afternoon. ·A.with 5 高中外研版 【选择性必修第二册】 Unit4固定搭配精讲 ·B.in ·C.to ·D.for 2.The government plans to take measures to the problem of air pollution. ·A.assist ·B.tackle ·C.relieve ·D.combat 3.This medicine can effectively your toothache ·A.relieve ·B.disinfect ·C.connect ·D.outbreak 4.You'd better consult a in heart disease about your condition. ·A.expert ·B.specialist ·C.scientist ·D.doctor 5.Measles is a highly disease that spreads easily. 6 高中外研版 【选择性必修第二册】 Unit4固定搭配精讲 ·A.infected ·B.infectious ·C.infection ·D.infecting 6.Before using the tools,please make sure to them with alcohol. ·A.disinfect ·B.relieve ·C.combat ·D.assist 7.Her devotion teaching has won the respect of all students. ·A.in ·B.to ·C.for ·D.with 8.The recent」 of flu has caused many schools to close temporarily. ·A.outbreak ·B.boundary ·C.statistic ·D.devotion 7 高中外研版 【选择性必修第二册】 Unit4固定搭配精讲 9.We must take immediate action to the spread of the virus. ·A.connect ·B.tackle ·C.combat ·D.assist 10.The river forms a natural between the two villages. ·A.boundary ·B.specialist ·C.outbreak ·D.statistic 二、根据句意及汉语提示完成单词 1.The volunteers are ready to (协助)the elderly with their daily needs.. 2.The government is trying to (处理)the root cause of the traffic problem. 3.This new drug can()the patient's pain quickly. 4.You should consult a()in infectious diseases for your condition. 5.COVID-19 is a highly (传染性的)disease, 6.Remember to (消毒)the wound before applying the bandage. 7.His (奉献)to the job inspired all his colleagues. 8.The local hospital is working hard to control the()of the virus. 9.We need to (poverty in rural areas with practical measures. 10.The (分界线)between art and science is sometimes unclear. 8 高中外研版 【选择性必修第二册】 Unit4固定搭配精讲 三、首字母填空 1.It's important to c the outbreak with the illegal wildlife trade. 2.You must p_ a to the safety instructions in the lab. 3.The doctor advised her to see a s about her eye problem. 4.The new policy aims to t the issue of food waste 5.This disease is h infectious,so we must take precautions. 四、用所给单词的适当形式填空 1.We should assist the students (complete)their research projects on time.(提示：assist sb.to do sth.) 2.Please pay attention to (disinfect)your hands before entering the ward. 3.She is a specialist (work)in the field of environmental science.(提示：a specialist in..) 4.The government took action (prevent)the outbreak of the disease.(提示：take action to do sth.) 5.According to the official (statistic),the number of patients has decreased. 参考答案 I单项选择 1.A2B 3.A4.B5.B6.A7.B8.A9.C10.A L.根据句意及汉语提示完成单词 1.assist 2.tackle 3.relieve 4.specialist 5.infectious 6.disinfect 7.devotion 8.outbreak 9.combat 10.boundary I首字母填空 1.connect 2.pay attention 3.specialist 4.tackle 5.highly V.用所给单词的适当形式填空 1.to complete 2.disinfecting 3.in 4.to prevent 5.statistics 9