Unit1BewareandtakecareReadingFightingthehiddenenemy—awarwemustwinAnenemyappearedwithoutwarning,attackingitsunsuspectingvictimswithefficiency.Thissilentandinvisibleenemymovedswiftlythroughcommunitiesandsecretlycrossedborders.TheworldsoonlearntthattheenemywefacedwasCovid-19.Covid-19iscausedbyanewstrainofcoronavirus.Onceenteringthebody,thevirusmultipliesinsidethecellquicklyandinfectsneighbouringcells.Commonsymptomscanincludefever,tiredness,adrycough,aheadache,lossoftasteorsmell.However,insomecases,theviruscausesthebody’sownimmunesystemtooverreact,resultinginthebodykillingitsownhealthycells.Consequently,thediseasecanbecomeworse,causingdamagetothebody’sorgansandtissues.Covid-19isahighlyinfectiousdiseasethatcanbetransmittedeasilyandswiftlyfrompersontoperson.Thistypicallyhappenswhenpeopletakeinrespiratorydropletsandparticlesfromaninfectedperson.TheycanalsocatchCovid-19bytouchingasurfaceoranobjectcontaminatedwiththevirus,andthentouchingtheirownmouth,noseoreyes.Researchshowsthattherearecertainsettingsthatallowthevirustospreadmoreeasily.Forinstance,itfavourscool,dryconditionsandcrowdedindoorspaceswithpoorventilation.Whatmakesthisdiseaseevenmoredangerousisthatinfectedpeoplewhoshownosymptomsmaybecomeunknowingcarriersandspreadersofthevirus.Inearly2020,thethreatposedbyCovid-19cametobefullyrecognizedonaglobalscale.Itspreadrapidlyacrosstheworld,affectingmillionsofpeople.Moredangerously,newandevenmoreinfectiousvariantsofthevirus,suchastheDeltaandOmicronvariants,graduallybegantoevolveinvariouspartsoftheworld,presentinganincreasedthreattothehealthoftheworld’spopulation.Tobeatthissilentenemy,theworldpulledtogether.Governmentsjoinedforceswithleadingpharmaceuticalandbiotechnologycompaniessothatvaccinescouldbeproduced,distributedandadministeredinrecordtime.Doctorsandnursessteppedforwardtojointhefightandwentwherevertheywereneeded,riskingtheirownlivestotirelesslyserveandcareforpatients.Communityworkersandvolunteersworkedroundtheclocktodeliverfoodandmedicinestoresidents.Ordinarypeoplefromallwalksoflifeunitedinhelpingthoseaffectedbythepandemic.Simpleactsofkindnessandgenerositywereeverywhere.InthedarkestdayswhenCovid-19wasdoingitsworst,thehumanspiritshoneatitsbrightest.WhilethefightagainstCovid-19isaglobaleffort,therearepreventivemeasuresthateveryonecantaketohelpcontrolthespreadofthedisease.Firstly,personalhygieneiskey.Cleanyourhandswithsoapandwaterthoroughly.Useanalcohol-basedhandsanitizerifsoapandwaterarenotavailable,andavoidtouchingyourmouth,noseandeyeswithunwashedhands.Athomeoratwork,cleananddisinfectfrequentlytouchedsurfacesandobjects.Secondly,wheninpublicplaces,remembertowearafacemask,practisesocialdistancingandavoidlargecrowds.Thirdly,receiveaCovid-19vaccinetohelpyourbodybuildupimmunityagainstthevirus.Finally,seekmedicalattentionifyoushowanyofthesymptomsorhavereasontobelievethatyouhavebeenexposedtothevirus.Bystayingalertandfollowinggovernmentadviceandregulations,wenotonlyprotectourselves,butalsohelpprotectourfellowcitizens.OurfightagainstCovid-19hasshownusthatwearenowlivinginahumancommunitywithasharedfuture.Onlybyworkingtogether,whileacceptingourindividualresponsibilities,canwesolvebothnationalandglobalproblems.Weneedtosupporteachothersothatwecanmarchconfidently,arminarm,intoabetterandmoresecurefuture.ExtendedreadingSaynotodrugsGoodmorning,everyone.Asapoliceofficerwhohasspentmanyyearsworkinginthefrontlineofthefightagainstdrugs,Ihavewitnessed,alltoooften,thedestructiveimpactthatdrugscanhaveonindividuals,familiesandthewidercommunity.Ihaveseenhowdrugscandestroypeople’sphysicalandmentalwell-beingandruinyounglivesbeforetheyevenbegin.Ihaveseenhowfamiliesaretornapartafterafamilymemberhasbecomeaddictedtodrugs.Ihavealsoseenhowtirelesslytheforcesoflawandorderworktogetherinfightingagainstdrugs.Iwillnotexaggeratethescaleoftheproblem,asthefactsspeakforthemselves.Accordingtothe2021WorldDrugReport,itisestimatedthataround275millionpeopleuseddrugsworldwideandover36millionpeoplesufferedfromdrugusedisordersinthelastyear.Theseshockingfiguresindicatethatdrugabuseisaveryseriousglobalproblem.Therefore,itiseveryone’sresponsibilitytosaynotodrugs.Drugabusehurtsanindividualdruguserbothphysicallyandmentally.Themostserioushealthconditionsassociatedwithdrugabuseincludeheartproblems,respiratoryproblems,kidneyfailure,liverdamageandaweakenedimmunesystem,increasingtheriskofillnessandinfection.Moreover,drugsinterferewithaperson’sabilitytomakesensibledecisions.Consequently,peopleundertheinfluenceofdrugsarenolongerincontroloftheirownmindandlikelytoputthemselvesorothersingreatdanger.Theyalsosufferfrommemorylossandmooddisorderslikedepressionoranxiety.Apartfromitsharmtoindividuals,drugabusealsodestroysfamiliesandimpactssocietyasawhole.Druguserssometimeslieandstealtofueltheirhabit,whileignoringtheresponsibilitiestheyhavetotheirfamilies.Thiscanleadtonotonlyfinancialhardshipbutalsothebreakdownofoncestrongfamilyrelationshipsandthelossofstabilitywithinthefamily.Theimpactdrugabusehasonsocietyisalsoenormous.Undertheinfluenceofdrugs,drugusersmayexhibitviolentbehaviourandsometimesevencommitcriminalacts,threateningpublicsafety.Theyarewillingtodoanythingtogettheirhandsondrugs.Also,becausedrugusersneedaregularsupplyofdrugs,thecriminalunderworldquicklydevelops,eatingawayatthefabricofsociety.Knowingtheseriousdamagethatcanbecausedthroughtheuseofdrugs,youmaybeaskingyourself:whywouldanybodybefoolishenoughtostarttakingdrugs?Thereisnosimpleanswertothisquestion,buttherearewell-identifiedriskfactorsfordrugabuse.Somepeopleexperimentwithdrugssimplyoutofcuriosity,someregarddruguseasanescapefromthestressesofeverydaylife,andothersstarttousedrugsjustbecausepeoplearoundthemaredrugusers.Fortunately,therearethingsyoucandotoprotectyourselffromdruguse.Firstofall,drugeducationisofvitalimportance.Youshouldlearnmoreaboutdrugs,especiallynewdesignerdrugs,whichareincrediblydangerous.Themoreyouknowabouttheterribleconsequencesoftakingdrugs,themorelikelyyouaretostayawayfromthem.Secondly,youneedtochoosewhereyougoandwhoyouspendtimewithverycarefully.Makesureyousurroundyourselfwithfriendswhoyoucanreallycountonandturntoforsupport.Lastbutnotleast,shouldyouevercomeunderpressuretousedrugs,youmustimmediatelyseekassistancefromanadultwhoyoulookupto,suchasafamilymember,ateacheroradoctor.Inconclusion,Ihopemymessageisclear—saynotoanykindofdrug.Themosteffectivewaytoavoidalltheproblemscausedbytheuseofdrugsisnottousetheminthefirstplace.Unit1sowtheseedsofsth成為…的肇端；播下…的種子(2)*coronavirus/k??r??n?va?r?s/n.冠狀病毒(2)*multiply/?m?lt?pla?/vi.&vt.成倍增加，迅速增加；乘，乘以；（使）繁殖增殖(2)infect/?n?fekt/vt.傳染，使感染；傳染，使感染（計算機(jī)病毒）；使感染（某種感情），影響(2)*symptom/?s?mpt?m/n.癥狀；征候，征兆(2)*sore/s??(r)/adj.（發(fā)炎）疼痛的，酸痛的；氣惱，憤慨(2)*throat/θr??t/n.咽喉，喉嚨，頸前部(2)transmit/tr?nz?m?t/vt.傳播，傳染；傳（熱、聲等），透（光等）；傳送，輸送vi.傳送，輸送(2)*respiratory/r??sp?r?tri;?resp?r?tri/adj.呼吸的(2)*contaminate/k?n?t?m?ne?t/vt.污染，弄臟；玷污，毒害(2)*inadequate/?n??d?kw?t/adj.不充分的，不足的，不夠的；不勝任的，缺乏信心的(2)*ventilation/?vent??le??n/n.通風(fēng)(2)*approximately/??pr?ks?m?tli/adv.大概，大約，約莫(3)underlying/??nd??la???/adj.潛在的，隱含的，根本的；表面下的，下層的(3)variant/?ve?ri?nt/n.變種，變體，變形(3)pulltogether齊心協(xié)力，通力合作(3)joinforceswith同…聯(lián)合，與…合作(3)*pharmaceutical/?fɑ?m??su?t?kl;?fɑ?m??sju?t?kl/adj.制藥的，配藥的，賣藥的n.藥物(3)biotech/?ba???tek/n.生物技術(shù)(3)inrecordtime以最快的速度(3)doone’sworst進(jìn)行最大破壞，使盡最壞的招數(shù)(3)precaution/pr??k???n/n.預(yù)防措施，預(yù)防，防備(3)*hygiene/?ha?d?i?n/n.衛(wèi)生(3)*soap/s??p/n.肥皂(3)*sanitizer/s?n?ta?z?(r)/n.殺菌洗手液，消毒殺菌劑(3)*mask/mɑ?sk/n.口罩，面罩，面具；假面具；面膜；偽裝，掩飾vt.掩飾，掩藏(3)socialdistancing社交距離(3)*vaccinate/?v?ks?ne?t/vt.給…接種疫苗(3)*quarantine/?kw?r?nti?n/n.（為防傳染的）檢疫，隔離期(3)*pandemic/p?n?dem?k/n.（全國或全國性）流行病，大流行病adj.大范圍流行的(3)putsthaside忽視，不理睬，忘記；儲存，保留(3)lining/?la?n??/n.襯層，內(nèi)襯，襯里；（身體器官內(nèi)壁的）膜(5)everycloudhasasilverlining黑暗中總有一線光明(5)*liver/?l?v?(r)/n.肝(6)*irritate/??r?te?t/vt.刺激；使煩惱(6)medication/?med??ke??n/n.藥，藥物(6)*fatal/?fe?tl/adj.致命的；災(zāi)難性的，毀滅性的，導(dǎo)致失敗的(6)*dose/d??s/n.（藥的）一劑，一服；一份，一次，一點(7)*prescribe/pr??skra?b/vt.讓…采用（療法），給…開（藥），開（處方）；規(guī)定，命令，指示(7)*excessive/?k?ses?v/adj.過分的，過度的(7)*cybercrime/?sa?b?kra?m/n.