Unit 2 Science Fiction一-2025-2026学年高中英语词义辨析及同义替换精讲选择性必修第三册（冀教版）

高中选修3冀教版 【Unit2】 Science Fiction一词义辨析及同义替换精讲 选修专版 【Unit2】Science Fiction 词义辨析及同义替换精讲 本单元核心词汇 一、全部单元单词 orbit/'obt/n.轨道v.绕轨道运 intense/m'tens/adj.强烈的：激通性；连接（度） 行 烈的 browse /brauz/v.浏览：翻阅 satellite/'setalart/n.卫星：人造 submar'ine/.sAbma'ri'n/n.潜艇nonitor/'npnita()/v.检查：监 卫星 crisis/kraisis/n.（复数crises)视n.监视器；显示器 chest/tfest/n.胸部；胸腔 危机；危难时期 install/m'sto:/v.安装；设置 device/d'vaIs/n.设备：装置 plausible/plb:zbl/adj.可信的adjust/A'd3Ast/v.调整；调节；适 suit/sut/n.套装v.适合 cliffhanger/'klifha]a()/n.悬念应 threat/ret/n.威胁：恐吓 connectivity /ka,nek'tivati/n. 词义辨析及同义替换 1.device/d'vas/n.设备；装置 词义辨析： device:泛指各种”设备、装置”，尤指电子或机械器具，如手机、电脑等。 equipment:集合名词，指”设备、器材'的总称，无复数形式，如laboratory equipment。 同义替换： equipment,apparatus 例句： This new device can monitor heart rate in real time. 真题链接：（冀教版高中选修3同步练习） We need to buy some new _for the science lab. A.device B.equipment C.tool(答案：B) 2.sit/ut/n.套装V.适合 词义辨析： suit作动词：侧重”（颜色、款式、条件等）适合某人/某事”，如The color suits you。 fit:侧重”大小、尺寸合身”，如The shoes fit me well。 高中选修3冀教版 【Unit2】 Science Fiction一词义辨析及同义替换精讲 同义替换： fit,be suitable for 例句： This job suits her because she is good at communication 真题链接：（冀教版高中选修3单元测试） The dress her perfectly,so she decided to buy it A.suits B.fits C.matches(答案：B) 3.threat/ret/n.威胁：恐吓 词义辨析： threat:指”威胁、恐吓”，可指具体的危险或抽象的隐患，如environmental threat。 danger:泛指'危险”，强调可能造成伤害的状态，如in danger。 同义替换： menace,risk 例句： Pollution poses a serious threat to marine life 真题链接：（冀教版高中选修3阅读填空） The company is facing the of bankruptcy due to poor management. (答案：threat) 4.intense/m'tens/adj.强烈的：激烈的 词义辨析： intense:侧重”程度强烈的、紧张的'，如intense heat/.argument。 intensive: 侧重”集中的、深入的”，如intensive training/care。 同义替换： strong,fierce 例句： The intense competition made him feel stressed. 真题链接：（冀教版高中选修3语法填空） After an workout,she felt very tired. (答案：intense) 5. monitor/'mpnita()/v.检查：监视n.监视器：显示器 词义辨析： monitor作动词：侧重”持续观察、监控'，如monitor the patient's condition。 watch:侧重'注视、留意”，如watch TV/watch for changes。 同义替换： observe,track 例句： Sensors are used to monitor air quality in the city. 高中选修3冀教版 【Unit2】 Science Fiction一词义辨析及同义替换精讲 真题链接： (冀教版高中选修3完形填空) Doctors the patient's heart rate 24 hours a day. (答案：monitor) 6.install./m'st:/v.安装；设置 词义辨析： install:指”安装（设备、软件等)”，如install a new system/install software。 fix:侧重'修理、固定”，如fix the machine/.fix the picture on the wall。 同义替换： set up,mount 例句： He helped me install the new printer yesterday. 真题链接：（冀教版高中选修3单选题）》 You need to the app before you can use it. A.install B.repair C.build (答案：A) 7.adjust/a'd3Ast/v.调整；调节；适应 词义辨析： adjust:侧重'调整以适应新情况”，如adjust the temperature/adjust to life abroad。 adapt:侧重'改变自身以适应'，如adapt to new environment/adapt a novel。 同义替换： regulate,adapt 例句： It took her a month to adjust to the new job 真题链接：（冀教版高中选修3阅读理解） Animals can their behavior to survive in different climates. (答案：adjust) 8.browse /brauz/V.浏览；翻阅 词义辨析： browse:指'随意浏览（书籍、网页等）”，如browse the Internet/browse books。 scan:侧重”快速扫视、扫描'，如scan the newspaper for news。. 同义替换： skim,look through 例句： She likes to browse in bookstores on weekends. 真题链接：（冀教版高中选修3七选五） When you online,be careful not to share personal information (答案：browse) 9.crisis/'kraisis/n.(复数crises)危机：危难时期 3 高中选修3冀教版 【Unit2】 Science Fiction一词义辨析及同义替换精讲 词义辨析： crisis:指”危机、危急关头”，如economic crisis/health crisis。 emergency: 侧重”突发事件、紧急情况”，如medical emergency。 同义替换： disaster,emergency 例句： The country is facing a serious economic crisis 真题链接：（冀教版高中选修3语法填空） The government took action to deal with the environmental (答案：crisis) l0.plausible/'plb:zbl/adj.可信的 词义辨析： plausible:指'看似合理的、可信的”，但可能并非完全真实，如a plausible explanation。 believable:侧重'可相信的”，强调符合事实或逻辑，如a believable story。 同义替换： credible,reasonable 例句： His excuse sounded plausible,but we knew he was lying. 真题链接：（冀教版高中选修3阅读理解） The scientist presented a theory that was accepted by most experts. (答案：plausible) l1.connectivity /k3,nek'trvati/n.连通性；连接（度） 词义辨析： connectivity:抽象名词，指'连接能力、连通性'，如network connectivity. connection:可数名词，指”具体的连接、关系”，如a direct connection。 同义替换： linkage,connection 例句： Good connectivity is essential for online learning. 真题链接：（冀教版高中选修3词汇运用） The new router improved the of our home network (答案：connectivity) 12.adjust/A'd3Ast/v.调整；调节；适应 词义辨析： adjust to:”适应”，如adjust to the time difference。 adapt to:”适应”，与adjust to可互换，但adapt更强调改变自身，如adapt(oneself)to。 同义替换： acclimate to,get used to 4 高中选修3冀教版 【Unit2】 Science Fiction一词义辨析及同义替换精讲 例句： It took her a while to adjust to living alone. 真题链接：（冀教版高中选修3完形填空） Foreign students often need time to to the new culture. (答案：adjust) 综合演练 综合练习 一、 单项选择 1.The new smartwatch is a useful for tracking health data A.device B.equipment C.tool 2.This jacket you well in both color and style. A.suits B.fits C.matches 3.The factory's poor safety measures pose a serious to workers'lives. A.threat B.danger C.risk 4.The team underwent training to prepare for the national competition. A.intense B.intensive C.strong 5.Nursesneed to patients'vital signs closely after surgery. A.monitor B.watch C.observe 6.You must the software before accessing the online platform. A.install B.fix C.build 7.It takes time to to the fast pace of city life. 高中选修3冀教版 【Unit2】 Science Fiction一词义辨析及同义替换精讲 A.adjust B.adapt C.acclimate 8.She spends hours through fashion websites every weekend. A.browsing B.scanning C.skimming 9.The sudden earthquake was an that required immediate rescue efforts. A.crisis B.emergency C.disaster 10.His explanation seemed but further investigation proved it false. A.plausible B.believable C.credible 二、根据句意及首字母提示填空 1.The new 5G network greatly improved the c of our campus Wi-Fi. 2.The government is taking action to address the environmental c_. 3.After the i storm,many houses were left without power. 4.The teacher asked a student to m the experiment results 5.A p theory must be supported by scientific evidence. 三、用所给单词的适当形式填空 1.The company is facing a(crisis)due to declining sales 2.She found it hard to (adiustment)to the new time zone. 3.The (connect)between the two cities was restored after the storm. 4.The (intense)of the sun made outdoor activities impossible. 5.He gave a (plausibility)excuse for being late. 四、完成句子（每空一词） 6 高中选修3冀教版 【Unit2】 Science Fiction一词义辨析及同义替换精讲 1.这款新设备能实时监测你的心率。 This new can your heart rate in real time 2.她花了三个月才适应国外的生活。 It took her three months to life abroad. 3.污染对海洋生物构成了严重威胁。 Pollution a serious to marine life 4.医生建议他安装一个空气质量监测器。 Doctors advised him to an air quality 五、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。 Modern technology has changed daily life in many ways.For example,smart home (de- vice/equipment)allow people to control lights and temperature remotely.However,poor network (connectivity/connection)can disrupt these functions.To solve this,engineers have devel- oped routers with stronger signals,ensuring stable(connectivity/connection)even in large homes. In healthcare,sensors (monitor/watch)patients'conditions 24/7,sending alerts to doctors during emergencies.This (intense/intensive)monitoring has saved many lives.Meanwhile, scientists are researching ways to(adjust/adapt)medical devices for use in remote areas,where access to hospitals is limited. 参考答案 I单项选择 1.A2.A3.A4B5.A6.A7.A8.A9.B10.A Ⅱ.根据句意及首字母提示填空 1.connectivity 2.crisis 3.intense 4.monitor 5.plausible I用所给单词的适当形式填空 1.crisis 2.adjust 3.connection 4.intensity 5.plausible V.完成句子 1.device;monitor 2.adjust to 3.poses;threat 4.install;monitor 7 高中选修3冀教版 【Unit2】 Science Fiction一词义辨析及同义替换精讲 V语篇填空 1.devices 2.connectivity 3.connectivity 4.monitor 5.intensive 6.adapt P