2025全國英語等級考試（PETS）二級試卷：物聯(lián)網(wǎng)硬件英語試題考試時間：______分鐘總分：______分姓名：______一、單項選擇本部分共25小題，每小題1分，滿分25分。每小題都有四個選項，請仔細閱讀每句話，并選擇最合適的答案。這些題目考察的是你對物聯(lián)網(wǎng)硬件相關英語詞匯和短語的掌握程度，非常重要哦，就像拼圖一樣，每一個單詞都是關鍵的一部分。1.WhatisthemainfunctionofamicrocontrollerinanIoTdevice?A.ToprovidepowertothedeviceB.Tocontrolandmanagethedevice’soperationsC.ToconnectthedevicetotheinternetD.Tostoredatalocally2.WhichofthefollowingisacommoncommunicationprotocolusedinIoTforsendingsmallamountsofdatafrequently?A.HTTPB.FTPC.MQTTD.SMTP3.Whatdoes"IoTgateway"typicallyreferto?A.AdevicethatonlycollectsdataB.AdevicethatonlytransmitsdataC.AdevicethatconnectsIoTdevicestotheinternetandmanagescommunicationD.Adevicethatstoresdatalocally4.InIoT,whatisthepurposeofasensor?A.ToconnectdevicestotheinternetB.ToprovidepowertothedeviceC.TodetectandmeasurephysicalquantitiesorenvironmentalconditionsD.Tocontrolthedevice’soperations5.WhichofthefollowingisanexampleofanIoTdevice?A.AtraditionalmicrowaveovenB.AsmartthermostatC.AregularwristwatchD.Astandarddesktopcomputer6.WhatistheprimaryadvantageofusingwirelesscommunicationinIoTdevices?A.ItismoreexpensivethanwiredcommunicationB.ItrequiresmorephysicalcablesandinfrastructureC.ItoffersflexibilityandeaseofdeploymentwithouttheneedforextensivewiringD.Itisslowerthanwiredcommunication7.WhichofthefollowingcomponentsisessentialforanIoTdevicetocommunicateoveranetwork?A.AmicrocontrollerB.AsensorC.Acommunicationmodule(e.g.,Wi-Fi,Bluetooth)D.Apowersupply8.Whatdoes"edgecomputing"meaninthecontextofIoT?A.ComputingthatisonlydoneonthedeviceitselfB.ComputingthatisonlydoneonthecloudC.Computingthatisdoneattheedgeofthenetwork,closertothedatasourceD.Computingthatisdonebyathird-partyserviceprovider9.WhichofthefollowingisacommonsecurityconcerninIoT?A.DataprivacyB.DevicemalfunctionC.PowerconsumptionD.Physicaldurability10.WhatistheroleofadatabaseinanIoTsystem?A.ToprovidepowertothedevicesB.Tocontrolthedevice’soperationsC.TostoreandmanagethedatacollectedbyIoTdevicesD.Toconnectthedevicestotheinternet11.WhichofthefollowingisaprotocolusedforsecurecommunicationovertheinternetinIoT?A.TCP/IPB.HTTPSC.FTPD.SNMP12.WhatisthepurposeofafirmwareupdateinanIoTdevice?A.Toincreasethedevice’spowerconsumptionB.Toimprovethedevice’sperformanceandaddnewfeaturesC.Toreplacethedevice’shardwareD.Toconnectthedevicetoanewnetwork13.Whichofthefollowingisatypeofsensorcommonlyusedinsmarthomestodetectmotion?A.TemperaturesensorB.HumiditysensorC.Motionsensor(e.g.,PIRsensor)D.Lightsensor14.WhatistheprimaryfunctionofanantennainanIoTdevice?A.TogenerateelectricityB.TodetectphysicalquantitiesC.TofacilitatewirelesscommunicationD.Tostoredata15.WhichofthefollowingisacommonissuefacedwhendeployingIoTdevicesinlarge-scaleenvironments?A.HighcostofindividualdevicesB.LimitedconnectivityoptionsC.DifficultyinmanagingandmaintainingalargenumberofdevicesD.Lackofsensorsinthedevices16.WhatistheroleofacloudplatforminanIoTsystem?A.ToprovidephysicalinfrastructureforthedevicesB.TostoreandprocessdatacollectedbyIoTdevicesC.TogeneratepowerforthedevicesD.Toconnectthedevicestotheinternet17.WhichofthefollowingisaprotocolusedforremotedevicemanagementinIoT?A.HTTPB.CoAPC.FTPD.SMTP18.WhatisthepurposeofapowermanagementcircuitinanIoTdevice?A.Toincreasethedevice’spowerconsumptionB.TooptimizepowerusageandextendbatterylifeC.Toreplacethedevice’sbatteryD.Toconnectthedevicetoapowersource19.WhichofthefollowingisatypeofcommunicationtechnologycommonlyusedinIoTforshort-range,low-powerapplications?A.EthernetB.BluetoothC.FiberopticD.DSL20.WhatistheprimaryfunctionofarouterinanIoTnetwork?A.ToprovidepowertothedevicesB.TomanageanddirectdatatrafficbetweenIoTdevicesandtheinternetC.TostoredatalocallyD.Tocontrolthedevice’soperations21.WhichofthefollowingisacommonchallengeinensuringthereliabilityofIoTdevices?A.HighcostofdevicesB.LimitedconnectivityoptionsC.EnvironmentalfactorsaffectingdeviceperformanceD.Lackofsensorsinthedevices22.WhatisthepurposeofafirewallinanIoTnetwork?A.ToprovidephysicalprotectiontothedevicesB.TopreventunauthorizedaccessandprotectdataprivacyC.TomanageanddirectdatatrafficD.Tostoredatalocally23.WhichofthefollowingisaprotocolusedforcollectingandreportingdevicemetricsinIoT?A.SNMPB.FTPC.HTTPD.SMTP24.WhatistheroleofaloadcellinanIoTdevice?A.TodetectandmeasurephysicalquantitiesorenvironmentalconditionsB.ToprovidepowertothedeviceC.ToconnectthedevicetotheinternetD.Tocontrolthedevice’soperations25.WhichofthefollowingisacommonissuefacedwhenscalingIoTdeployments?A.HighcostofindividualdevicesB.LimitedconnectivityoptionsC.DifficultyinmanagingandmaintainingalargenumberofdevicesD.Lackofsensorsinthedevices二、完形填空本部分共10小題，每小題2分，滿分20分。請根據(jù)上下文，選擇最合適的單詞填入空格中。這些題目考察的是你對物聯(lián)網(wǎng)硬件相關英語詞匯和短語的掌握程度，非常重要哦，就像拼圖一樣，每一個單詞都是關鍵的一部分。Lastyear,ourcompanydecidedtoinvestinIoTtechnologytoimproveourmanufacturingprocesses.Weinstalledaseriesofsensorsonourmachinerytomonitorvariousparameterssuchastemperature,pressure,andvibration.Thesesensorscollecteddatainreal-timeandsentittoourIoTgateway,whichthentransmittedthedatatothecloudforanalysis.Byusingthisdata,wewereabletoidentifyinefficienciesandoptimizeouroperations.Theresultwasasignificantreductionindowntimeandanincreaseinproductivity.ThisexperiencedemonstratedthepowerofIoTintransformingtraditionalindustriesanddrivinginnovation.26._______ourcompanydecidedtoinvestinIoTtechnologytoimproveourmanufacturingprocesses.A.LastyearB.ThisyearC.EarlierthismonthD.Lastweek27.Weinstalledaseriesofsensorsonourmachinerytomonitorvariousparameterssuchas_______.A.temperature,pressure,andvibrationB.height,weight,andspeedC.length,width,andthicknessD.volume,density,andmass28.Thesesensorscollecteddatainreal-timeandsentittoourIoT_______.A.gatewayB.serverC.databaseD.network29.TheIoTgatewaythentransmittedthedatatothecloudfor_______.A.storageB.processingC.analysisD.transmission30.Byusingthisdata,wewereabletoidentify_______andoptimizeouroperations.A.inefficienciesB.efficienciesC.improvementsD.changes31.Theresultwasasignificantreductionin_______andanincreaseinproductivity.A.downtimeB.operationC.efficiencyD.productivity32.ThisexperiencedemonstratedthepowerofIoTin_______traditionalindustriesanddrivinginnovation.A.transformingB.developingC.modernizingD.improving33.Thesensorswereabletocollectdatainreal-timebecausetheywere_______.A.high-qualityB.high-precisionC.high-speedD.high-efficiency34.TheIoTgatewayplayedacrucialrolein_______thedatafromthesensorstothecloud.A.collectingB.processingC.transmittingD.managing35.Thecloudplatformwasusedfor_______thedataandgeneratinginsights.A.storingB.processingC.analyzingD.transmitting三、閱讀理解本部分共5小題，每小題2分，滿分10分。請仔細閱讀下面的短文，然后根據(jù)短文內(nèi)容回答問題。這些題目考察的是你對物聯(lián)網(wǎng)硬件相關英語文章的理解能力，非常重要哦，就像解謎一樣，每一句話都藏著線索。Smarthomesarebecomingincreasinglypopularthesedays,thankstotheadvancementsinIoTtechnology.Thesehomesareequippedwithvarioussmartdevicesthatcanbecontrolledremotelyviaasmartphoneortablet.Oneofthemostcommonsmartdevicesinahomeisthesmartthermostat.Itcanlearnyourscheduleandadjustthetemperatureaccordingly,ensuringthatyourhomeisalwaysattheperfecttemperaturewhenyouarrive.Anotherpopulardeviceisthesmartlightingsystem,whichallowsyoutocontrolthelightsinyourhomefromanywhere.Youcanturnthelightsonoroff,changethebrightness,orevensetschedulesfordifferenttimesoftheday.Securityisalsoamajorconcerninsmarthomes,andsmartdoorbellsandcamerascanprovidepeaceofmindbyallowingyoutoseeandcommunicatewithpeopleatyourdoor,evenwhenyou'renothome.Additionally,smartapplianceslikerefrigeratorsandovenscanbemonitoredandcontrolledremotely,makingiteasiertomanageyourdailytasks.Theintegrationofthesedevicesintoasingleecosystemallowsforaseamlessandconvenientexperience,makingsmarthomesarealityformanypeople.36.Whatisthemainpurposeofasmartthermostatinasmarthome?A.ToprovidesecurityforthehomeB.TocontrolthelightingsystemC.TolearnyourscheduleandadjustthetemperatureaccordinglyD.Tomonitorandcontrolsmartappliances37.Howcanyoucontrolthesmartlightingsysteminyourhome?A.OnlythroughatraditionalswitchB.ViaasmartphoneortabletC.OnlywhenyouareathomeD.Onlyduringtheday38.Whatisamajorbenefitofusingsmartdoorbellsandcamerasinasmarthome?A.TheyprovidesecuritybyallowingyoutoseeandcommunicatewithpeopleatyourdoorB.TheycanautomaticallyturnonthelightswhensomeoneisatthedoorC.TheyaremoreexpensivethantraditionaldoorbellsandcamerasD.Theycanonlybeusedwhenyouarehome39.Whatcanyoudowithsmartapplianceslikerefrigeratorsandovens?A.TheycannotbemonitoredorcontrolledremotelyB.TheycanonlybemonitoredwhenyouarehomeC.TheycanbemonitoredandcontrolledremotelyD.Theyaremorepowerfulthantraditionalappliances40.Whatisthesignificanceofintegratingsmartdevicesintoasingleecosystem?A.ItmakesthedevicesmoreexpensiveB.ItprovidesaseamlessandconvenientexperienceC.ItrequiresmorewiringandinfrastructureD.Itmakesthedeviceslessreliable四、翻譯本部分共5小題，每小題2分，滿分10分。請將下面的中文句子翻譯成英語。這些題目考察的是你對物聯(lián)網(wǎng)硬件相關英語詞匯和短語的運用能力，非常重要哦，就像翻譯一樣，每一個字都要準確傳達意思。41.物聯(lián)網(wǎng)設備通常使用無線通信協(xié)議進行數(shù)據(jù)傳輸。_______42.傳感器在物聯(lián)網(wǎng)系統(tǒng)中起著至關重要的作用，用于檢測和測量各種物理量。_______43.云平臺為物聯(lián)網(wǎng)設備提供了數(shù)據(jù)存儲和分析的能力。_______44.邊緣計算允許在數(shù)據(jù)源附近進行數(shù)據(jù)處理，從而減少延遲。_______45.物聯(lián)網(wǎng)的安全性是一個重要的考慮因素，需要采取各種安全措施來保護設備和數(shù)據(jù)。_______五、寫作本部分共1小題，滿分10分。請根據(jù)下面的提示寫一篇短文。這些題目考察的是你對物聯(lián)網(wǎng)硬件相關英語寫作能力，非常重要哦，就像寫作一樣，每一個句子都要表達清楚意思。ImagineyouareaconsultantworkingforacompanythatwantstoimplementIoTtechnologyintheirmanufacturingprocess.Writeashortessay(about100words)outliningthekeystepstheyshouldtaketosuccessfullyimplementIoTintheiroperations.Includeatleastthreekeystepsinyouressay.本次試卷答案如下一、單項選擇1.B.Tocontrolandmanagethedevice’soperations解析：微控制器在物聯(lián)網(wǎng)設備中的主要功能是控制和管理設備的操作。它就像設備的“大腦”，負責接收傳感器數(shù)據(jù)，執(zhí)行預設程序，并控制執(zhí)行器。選項A提供電源，但不是主要功能；選項C連接互聯(lián)網(wǎng)，是物聯(lián)網(wǎng)的一部分，但不是微控制器的核心任務；選項D存儲數(shù)據(jù)，是功能之一，但不是最主要的目的。2.C.MQTT解析：MQTT（MessageQueuingTelemetryTransport）是一種輕量級的發(fā)布/訂閱消息傳輸協(xié)議，常用于物聯(lián)網(wǎng)場景，適合發(fā)送小量數(shù)據(jù)且頻繁的場景。HTTP（超文本傳輸協(xié)議）用于網(wǎng)頁傳輸，不適合頻繁小數(shù)據(jù)傳輸；FTP（文件傳輸協(xié)議）用于文件傳輸，不適合實時數(shù)據(jù)；SMTP（簡單郵件傳輸協(xié)議）用于郵件發(fā)送，與物聯(lián)網(wǎng)無關。3.C.AdevicethatconnectsIoTdevicestotheinternetandmanagescommunication解析：物聯(lián)網(wǎng)網(wǎng)關是連接物聯(lián)網(wǎng)設備到互聯(lián)網(wǎng)并管理通信的設備。它就像“交通警察”，負責協(xié)調(diào)不同設備之間的數(shù)據(jù)傳輸。選項A只收集數(shù)據(jù)，缺少傳輸功能；選項B只傳輸數(shù)據(jù)，缺少收集功能；選項D只存儲數(shù)據(jù)，沒有網(wǎng)絡連接和管理功能。4.C.Todetectandmeasurephysicalquantitiesorenvironmentalconditions解析：傳感器的目的是檢測和測量物理量或環(huán)境條件。它就像“五官”，幫助設備感知周圍環(huán)境。選項A連接互聯(lián)網(wǎng)，是物聯(lián)網(wǎng)的一部分，但不是傳感器的功能；選項B提供電源，不是傳感器的功能；選項D控制設備操作，是微控制器的功能。5.B.Asmartthermostat解析：智能恒溫器是物聯(lián)網(wǎng)設備的一個例子。它可以通過網(wǎng)絡遠程控制，學習用戶習慣，優(yōu)化能源使用。選項A傳統(tǒng)微波爐沒有網(wǎng)絡連接；選項C普通手表沒有物聯(lián)網(wǎng)功能；選項D標準臺式計算機不是物聯(lián)網(wǎng)設備。6.C.Itoffersflexibilityandeaseofdeploymentwithouttheneedforextensivewiring解析：無線通信在物聯(lián)網(wǎng)設備中的主要優(yōu)勢是靈活性和易于部署，無需大量布線。它就像“無繩電話”，方便移動和安裝。選項A更貴，不是優(yōu)勢；選項B需要更多線纜，與無線相反；選項D更慢，無線通信通常更快。7.C.Acommunicationmodule(e.g.,Wi-Fi,Bluetooth)解析：通信模塊（如Wi-Fi、藍牙）是物聯(lián)網(wǎng)設備通信的必要組件。它就像設備的“通信工具”，負責發(fā)送和接收數(shù)據(jù)。選項A微控制器控制設備；選項B傳感器檢測環(huán)境；選項D電源提供能量。8.C.Computingthatisdoneattheedgeofthenetwork,closertothedatasource解析：邊緣計算是指在網(wǎng)絡邊緣、靠近數(shù)據(jù)源進行數(shù)據(jù)處理。它就像“本地醫(yī)生”，在數(shù)據(jù)產(chǎn)生的地方快速處理，減少延遲。選項A設備本身計算，是邊緣計算的特例；選項B云計算是另一種模式；選項D網(wǎng)絡邊緣計算更準確。9.A.Dataprivacy解析：物聯(lián)網(wǎng)的一個常見安全問題是數(shù)據(jù)隱私。由于設備收集大量數(shù)據(jù)，可能被濫用或泄露。選項B設備故障是硬件問題；選項C功耗是設計問題；選項D物理耐用性是制造問題。10.C.TostoreandmanagethedatacollectedbyIoTdevices解析：數(shù)據(jù)庫在物聯(lián)網(wǎng)系統(tǒng)中的作用是存儲和管理物聯(lián)網(wǎng)設備收集的數(shù)據(jù)。它就像“數(shù)據(jù)倉庫”，保存所有信息。選項A提供電源；選項B控制設備操作；選項D連接互聯(lián)網(wǎng)。11.B.HTTPS解析：HTTPS（超文本傳輸安全協(xié)議）是用于互聯(lián)網(wǎng)安全通信的協(xié)議。它就像“加密信件”，保護數(shù)據(jù)不被竊聽。選項ATCP/IP是網(wǎng)絡基礎協(xié)議；選項CFTP用于文件傳輸；選項DSNMP用于網(wǎng)絡管理。12.B.Toimprovethedevice’sperformanceandaddnewfeatures解析：固件更新在物聯(lián)網(wǎng)設備中的作用是提高設備性能和添加新功能。它就像“軟件升級”，讓設備更強大。選項A增加功耗；選項C更換硬件；選項D連接新網(wǎng)絡。13.C.Motionsensor(e.g.,PIRsensor)解析：運動傳感器（如PIR傳感器）是智能家居中檢測運動的常見傳感器。它就像“眼睛”，發(fā)現(xiàn)有人活動。選項A溫度傳感器檢測冷熱；選項B濕度傳感器檢測干濕；選項D光傳感器檢測光線。14.C.Tofacilitatewirelesscommunication解析：天線在物聯(lián)網(wǎng)設備中的主要作用是促進無線通信。它就像“天線”，接收和發(fā)送信號。選項A產(chǎn)生電力；選項B檢測物理量；選項D存儲數(shù)據(jù)。15.C.Difficultyinmanagingandmaintainingalargenumberofdevices解析：在大型環(huán)境中部署物聯(lián)網(wǎng)設備時面臨的常見問題是管理維護大量設備。它就像“管理大型團隊”，需要更多精力。選項A單個設備成本高；選項B連接選項有限；選項D傳感器缺乏是設計問題。16.B.TostoreandprocessdatacollectedbyIoTdevices解析：云平臺在物聯(lián)網(wǎng)系統(tǒng)中的作用是存儲和處理物聯(lián)網(wǎng)設備收集的數(shù)據(jù)。它就像“數(shù)據(jù)中心”，處理所有信息。選項A提供物理基礎設施；選項C產(chǎn)生電力；選項D連接互聯(lián)網(wǎng)。17.B.CoAP解析：CoAP（ConstrainedApplicationProtocol）是一種用于遠程設備管理的物聯(lián)網(wǎng)協(xié)議。它就像“簡潔的通信語言”，適合資源受限設備。選項AHTTP用于網(wǎng)頁；選項CFTP用于文件傳輸；選項DSMTP用于郵件。18.B.Tooptimizepowerusageandextendbatterylife解析：電源管理電路在物聯(lián)網(wǎng)設備中的作用是優(yōu)化功耗并延長電池壽命。它就像“節(jié)能專家”，幫助設備省電。選項A增加功耗；選項C更換電池；選項D連接電源。19.B.Bluetooth解析：藍牙是一種常用于物聯(lián)網(wǎng)的短距離、低功耗通信技術。它就像“近距離對講機”，適合小范圍連接。選項A以太網(wǎng)用于有線網(wǎng)絡；選項C光纖用于高速傳輸；選項DDSL用于數(shù)字用戶線路。20.B.TomanageanddirectdatatrafficbetweenIoTdevicesandtheinternet解析：路由器在物聯(lián)網(wǎng)網(wǎng)絡中的作用是管理和定向物聯(lián)網(wǎng)設備與互聯(lián)網(wǎng)之間的數(shù)據(jù)流量。它就像“交通指揮官”，確保數(shù)據(jù)正確傳輸。選項A提供電源；選項C存儲數(shù)據(jù)；選項D控制設備操作。21.C.Environmentalfactorsaffectingdeviceperformance解析：確保物聯(lián)網(wǎng)設備可靠性的常見挑戰(zhàn)是環(huán)境因素影響設備性能。它就像“天氣影響心情”，環(huán)境變化影響設備。選項A設備成本高；選項B連接選項有限；選項D物理耐用性。22.B.Topreventunauthorizedaccessandprotectdataprivacy解析：防火墻在物聯(lián)網(wǎng)網(wǎng)絡中的作用是防止未經(jīng)授權的訪問并保護數(shù)據(jù)隱私。它就像“門衛(wèi)”，阻止壞人進入。選項A提供物理保護；選項C管理數(shù)據(jù)流量；選項D存儲數(shù)據(jù)。23.A.SNMP解析：SNMP（簡單網(wǎng)絡管理協(xié)議）是一種用于收集和報告設備指標的物聯(lián)網(wǎng)協(xié)議。它就像“設備報告員”，定期匯報設備狀態(tài)。選項BFTP用于文件傳輸；選項CHTTP用于網(wǎng)頁；選項DSMTP用于郵件。24.A.Todetectandmeasurephysicalquantitiesorenvironmentalconditions解析：稱重傳感器在物聯(lián)網(wǎng)設備中的作用是檢測和測量物理量或環(huán)境條件。它就像“體重秤”，測量重量。選項B提供電源；選項C連接互聯(lián)網(wǎng)；選項D控制設備操作。25.C.Difficultyinmanagingandmaintainingalargenumberofdevices解析：擴展物聯(lián)網(wǎng)部署時面臨的常見問題是管理維護大量設備。它就像“管理大型團隊”，需要更多精力。選項A單個設備成本高；選項B連接選項有限；選項D傳感器缺乏是設計問題。二、完形填空26.A.Lastyear解析：根據(jù)上下文，去年公司決定投資物聯(lián)網(wǎng)技術。時間狀語從句“Lastyear”最合適。選項B今年；選項C這個月早些時候；選項D上周。27.A.temperature,pressure,andvibration解析：根據(jù)上下文，傳感器監(jiān)測各種參數(shù)，如溫度、壓力和振動。選項B高度、重量和速度；選項C長度、寬度和厚度；選項D體積、密度和質(zhì)量。28.A.gateway解析：根據(jù)上下文，傳感器將數(shù)據(jù)發(fā)送到物聯(lián)網(wǎng)網(wǎng)關。選項B服務器；選項C數(shù)據(jù)庫；選項D網(wǎng)絡。29.C.analysis解析：根據(jù)上下文，網(wǎng)關將數(shù)據(jù)傳輸?shù)皆七M行“分析”。選項A存儲；選項B處理；選項D傳輸。30.A.inefficiencies解析：根據(jù)上下文，利用數(shù)據(jù)識別“低效”并優(yōu)化操作。選項B效率；選項C改進；選項D變化。31.A.downtime解析：根據(jù)上下文，結果是“停機時間”顯著減少。選項B操作；選項C效率；選項D生產(chǎn)力。32.A.transforming解析：根據(jù)上下文，物聯(lián)網(wǎng)技術將傳統(tǒng)產(chǎn)業(yè)“轉型”。選項B發(fā)展；選項C現(xiàn)代化；選項D改進。33.C.high-speed解析：根據(jù)上下文，傳感器能夠實時收集數(shù)據(jù)，因為它們“高速”。選項A高質(zhì)量；選項B高精度；選項D高效。34.C.transmitting解析：根據(jù)上下文，網(wǎng)關在將傳感器數(shù)據(jù)傳輸?shù)皆浦衅痍P鍵作用。選項A收集；選項B處理；選項D管理。35.C.analyzing解析：根據(jù)上下文，云平臺用于“分析”數(shù)據(jù)并生成見解。選項A存儲；選項B處理；選項D傳輸。三、閱讀理解36.C.Tolearnyourscheduleandadjustthetemperatureaccordingly解析：根據(jù)文章，智能恒溫器可以學習用戶日程并相應調(diào)整溫度。選項A提供安全；選項B控制照明；選項D監(jiān)控智能設備。37.B.Viaasmartphoneortablet解析：根據(jù)文章，可以通過智能手機或平板電腦控制智能照明系統(tǒng)。選項A只有傳統(tǒng)開關；選項C只有在家時；選項D只有白天。38.A.Theyprovidesecuritybyallowingyoutoseeandcommunicatewithpeopleatyourdoor解析：根據(jù)文章，智能門鈴和攝像頭的主要好處是提供安全，讓你能在門口看到并與訪客交流。選項B自動打開燈；選項C比傳統(tǒng)貴；選項D只有在家時可用。39.C.Theycanbemonitoredandcontrolledremotely解析：根據(jù)文章，智能冰箱和烤箱可以遠程監(jiān)控和控制。選項A不能遠程監(jiān)控或控制；選項B只有在家時監(jiān)控；選項D比傳統(tǒng)強大。40.B.Itprovidesaseamlessandconvenientexperience解析：根據(jù)文章，將智能設備集成到單一生態(tài)系統(tǒng)的重要性是提供無縫便捷的體驗。選項A使設備更貴；選項C需要更多線纜；選項D使設備不可靠。四、翻譯41.IoTdevicestypicallyusewirelesscommunicationprotocolsfordatatransmission.解析：物聯(lián)網(wǎng)設備通常使用無線通信協(xié)議進行數(shù)據(jù)傳輸。句子結構簡單，直接翻譯即可。42.SensorsplayacrucialroleinIoTsystems,usedtode