Unit 5 Into the unknown二-2025-2026学年高中英语词汇真题精讲选择性必修第四册（外研版）

高中外研版 【选择性必修第四册】 词汇真题精讲 单元精讲 【Unit5】Into the unknown 核心词汇与真题精练 本单元核心词汇 expansion/k'spaen[n/n.扩大：沉船 处脱身（常用短语） 增加 archaeological /a:kia'lpd31kl/ the unknown不为人知的地方 getaway/'getawel/n.逃跑，逃ad.考古学的：考古的 set out动身踏上旅途（常用短 走 coral/'kpral/n.珊瑚 语) retreat/rI'trit/v.后退；离开；nillimetre/'mrlimi:tar)/n.毫米throw oneself into积极投入到 退避 barreleye/'barali::/n.管眼鱼 …中去（常用短语） subdue/sab'dju:/v.克制，抑制make a getaway逃跑，逃走（常think twice再三考虑（常用短 (情绪) 用短语) 语) uncharted/n'tfa:tId/adj.地图run for one's life逃命（常用短shrink from避免做，不愿做（常 上没有标明的 语) 用短语) delve /delv/,v.探索，探究 check out调查，检查（常用短look into调查（问题）（常用短 shrink/fruk/v.退缩，畏缩 语) 语) investigation/m,vestI'gel/n.test the waters试水，试探（常 调查 用短语) shipwreck/'Jiprek/n.失事的船； steer clear of避开…；从… 直击真题高效讲 真题解析 1.真题1 The company's into new markets has brought more profits this year A.expansion B.getaway C.retreat 答案：A 核心词汇：expansion/k'spaenfn/n.扩大；增加 核心知识点： 词性：名词，动词expand的名词形式。 高中外研版 【选择性必修第四册】 词汇真题精讲 搭配：expansion into..(向…的扩张)：economic expansion(经济扩张)。 2.真题2 The police are still the cause of the accident to find out who is responsible. A.shrink B.check out C.subdue 答案：B 核心词汇：check out调查，检查（常用短语） 核心知识点： 搭配：check out the cause(调查原因)：check out a book(借书)。 用法：动词短语，可直接接宾语，用于日常或正式场景。 3.真题3 Before starting the new project,we need to to see if there is enough public support. A.test the waters B.make a getaway C.run for one's life 答案：A 核心词汇：test the waters试水，试探（常用短语） 核心知识点： 含义：比喻在采取行动前先了解情况，近义词feel out the situation'”。 用法：独立使用，后可接不定式说明试探的目的。 4.真题4 It's wise to dangerous areas during the storm to avoid accidents. A.steer clear of B.throw oneself into C.think twice 答案：A 核心词汇：steer clear of避开…；从…处脱身（常用短语） 核心知识点： 搭配：steer clear of danger(避开危险)：steer clear of trouble(远离麻烦)。 用法：后接名词或动名词，强调主动规避风险。 5.真题5 The team decided to from the competition after several members got injured A.retreat B.delve C.shrink 2 高中外研版 【选择性必修第四册】 词汇真题精讲 答案：A 核心词汇：retreat/rI'tit/v.后退：离开；退避 核心知识点： 词性：动词，可作及物或不及物动词，名词形式亦为retreat。 搭配：retreat from.(从…撤退)：retreat to a safe place(退到安全地带)。 6.真题6 She tried to her excitement when she heard the good news. A.subdue B.shrink C.delve 答案：A 核心词汇：subdue/sab'dju/v.克制，抑制（情绪） 核心知识点： 词性：及物动词，后接名词作宾语，近义词”restrain”。 搭配：ubdue one's emotions(克制情绪)；subdue a desire(抑制欲望)。 7.真题7 Scientists have started to into the mystery of the deep-sea creatures like the barreleye. A.look into B.set out C.check out 答案：A 核心词汇：look into调查（问题）（常用短语） 核心知识点： 搭配：look into a mystery(调查迷团)：look into the problem(研究问题)。 用法：强调深入探究，比check out更侧重系统性调查。 8.真题8 The of the ancient ship was discovered by an archaeological team near the coral reef. A.shipwreck B.investigation C.expansion 答案：A 核心词汇：shipwreck∫prek/n.失事的船：沉船 核心知识点： 词性：可数名词，复数形式shipwrecks。 搭配：discover a shipwreck(发现沉船)：shipwreck site(沉船遗址)。 9.真题9 3 高中外研版 【选择性必修第四册】 词汇真题精讲 studies show that the coral reef has been existing for over 5,000 years. A.Archaeological B.Uncharted C.Coral 答案：A 核心词汇：archaeological/,akia'lod3kl/adj.考古学的：考古的 核心知识点： 词性：形容词，名词形式archaeology,名词指人archaeologist。. 搭配：archaeological studies(考古研究)；archaeological findings(考古发现)。 10.真题10 The reef provides a habitat for thousands of marine species in the ocean. A.coral B.millimetre C.barreleye 答案：A 核心词汇：coral/'kDrl/n.珊瑚（海洋生物，常形成珊瑚礁生态系统） 核心知识点： 词性：不可数名词，指珊瑚整体；作可数名词时可指珊瑚虫。 搭配：coral reef(珊瑚礁)；coral ecosystem(珊瑚生态系统)。 11.真题11 The new species of fish was found in waters where few humans have ever explored. A.uncharted B.archaeological C.unknown 答案：A 核心词汇：uncharted/n't∫atd/adj.地图上没有标明的 核心知识点： 词性：形容词，反义词'charted”(已绘制地图的)。 搭配：uncharted waters(未知水域)；uncharted territory(未知领域)。 12.真题12 Researchers need to deeper into the data to find the hidden pattern. A.delve B.retreat C.shrink 答案：A 核心词汇：delve/delv/v.探索，探究 核心知识点： 4 高中外研版 【选择性必修第四册】 词汇真题精讲 词性：不及物动词，常与介词into搭配使用，近义词'dig into'”。 搭配：delve into data(深入研究数据)：delve into history(探究历史)。 13.真题13 You should before making a decision that may affect your future. A.think twice B.throw oneself into C.run for one's life 答案：A 核心词汇：think twice再三考虑，慎重考虑（常用短语） 核心知识点： 含义：强调在行动前仔细权衡，近义词'consider carefully”。 用法：独立使用，后可接介词bout引出考虑的对象。 14.真题14 Many people from taking risks,but innovation often requires courage A.shrink from B.set out C.test the waters 答案：A 核心词汇：shrink from避免做，不愿做（常用短语) 核心知识点： 搭配：shrink from risks(逃避风险)：shrink from responsibility(推卸责任)。 词性：动词短语，shrink的过去式为shrank,过去分词shrunk。 真题精准训练 实战演练 一、单项选择 1.The company plans to start its into Asian markets next year. A.expansion B.shipwreck C.retreat 2.The police are trying to the truth behind the missing funds. A.check out B.test the waters 高中外研版 【选择性必修第四册】 词汇真题精讲 C.steer clear of 3.Before investing,it's wise to to understand the market risks. A.think twice B.shrink from C.delve into 4.You must the broken glass to avoid getting hurt. A.subdue B.steer clear of C.retreat from 5.After the heavy rain,the team had to from the mountain climbing activity. A.retreat B.uncharted C.coral 二、用所给单词的适当形式填空 1.The government's economic (expand)policy has boosted local businesses. 2.She managed to (subdue)her anger and spoke calmly. 3.Researchers need to (delve)deeper into the data for accurate results. 4.The (archaeology)findings in the cave date back to 3000 BC. 5.Many people (shrink)from public speaking due to anxiety. 三、首字母填空 1.The ancient shipwreck was found in u waters off the coast. 2.It's important to t the waters before launching a new product. 3.The team'sr from the competition surprised everyone 4.Coralr are vital habitats for marine biodiversity. 5.You should s clear of rumors to avoid misunderstandings. 四、语篇填空 阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空，使短文通顺、连 贯。 6 高中外研版 【选择性必修第四册】 词汇真题精讲 Scientists recently discovered a well-preserved 1. (shipwreck)near a coral reef.To study it, they needed to 2 (delve)into historical records and conduct 3.(archaeological)re- search.The reef,located in 4. (uncharted)waters,hadnever been explored before.During the expedition,the team had to 5. (steer)clear of strong currents.They also had to 6.(sub- due)their excitement to work carefully.Finally,their efforts led to an important 7.(expand) of knowledge about ancient maritime trade. 参考答案 【单项选择 1.A2.A3.A4.B5.A Ⅱ用所给单词的适当形式填空 1.expansion 2.subdue 3.delve 4.archaeological 5.shrink I.首字母填空 1.uncharted 2.test 3.retreat 4.reef 5.steer V语篇填空 1.shipwreck 2.delve 3.archaeological 4.uncharted 5.steer 6.subdue 7.expansion 7