与新型冠状病毒有关的英语作文篇1
Thenovelcoronavirusmobilephoneisreallyserious.Thefirstthingtodoistoturnonthemobilephoneandseetheepidemicsituationeverymorning.Afterreading,turnoffthecellphoneandliedownandgotosleep.
Thatsaid,everyoneisathomenow,andthereisnothingtodowithoutsayingit.Becausemanypeoplehaveonlineclasses,theschoolisterrible.Nowthewintervacationhasbeenextended.ManypeoplesayontheInternet,istheschoolsocheaptoearn?Worryaboutmakingupforthesummervacation.
Novelcoronavirus,novelcoronavirus,iswritteninsecond.ThefactisthatIfoundmylastone,andscoredwell,soIcamebacktomixup.Hahahahaha,hahaha,andwereturntothetheme.Accordingtothestepsofnormalspeech,afterachat,weaskthequestion:whatisanewcoronavirus?
Infact,Idon'twanttosaymorehere,justtoclarifyafewmistakesforyou.
Thefirstisthenovelcoronavirus,whichisnowsuspectedofbeingbats,notthatthebatisconfirmed,althoughmostofthepiecesaretalkingaboutbats,andevenbatisnotyetdetermined.
Second,allkindsofconspiracytheoriesarenotimpossible.Theyarejustridiculous,OK?Ifwedon'ttalkaboutotherthings,wewilltalkabouttheproblemofbiologicalandchemicalweaponsattacking.Ifwedon'ttalkaboutwhetherourtechnologycanbeachieved,let'stalkaboutit.What'stheadvantageofusingbiologicalandchemicalweaponstoattackus?Improveyoureconomy?Well,theeconomyhasimproved,butitalsolacksacountrythatprovidesdevelopmentforitself.Thiskindofthingthatharmsothersanddoesnotbenefitoneselfalsobenefitsfromtheideaofthosepeoplewhodon'tknowwhoitis.
Therearetwomisunderstandings,oneistorefuterumors,theotherisnotofficiallydetermined,butthesetwoareobviouslycontradictory.Eatingbatsistotallydifferentfrombiologicalweapons.Eatingbatsisanaturaldisaster.It'sdeath.Willtherebesomanythingsifyoudon'teatthem?Chemicalandbiologicalweaponsareman-madedisasters.Youcan'tavoidthem.It'snotthatnaturalandman-madedisasterscan'tcoexist,butit'sobviouslynotfeasibleinthismatter.
Let'stalkabouthowtoprotectourselvesinthefaceofthisepidemic.
First,wearamask.Ordinarymasksarenotgood.WeneedmedicalsurgicalmasksandN95masks.Butifthereisnosuchmask,itisbettertouseordinarymasks.
Second,washyourhandsfrequently.Inmylastarticle,Iusedanexaggeratedwaytosay"washyourhandsaftereatingamouthfulofrice".Thensomeonecameoutandattackedme,soI'msorryI'mwrong,butIdaretodoitnexttime,becauseit'sanexaggeratedwaytoemphasizetheimportanceofhandwashing.Tobehonest,washyourhandsbeforeandaftereating,andwhenyoucomebackfromtheoutside,washyourhandsanyway.
Third,disinfection.Evenifyoudon'thavealcoholreservesathome,it'sbestifyouhavealcoholreserves.Whenyoucomebackfromtheoutside,youmustbedisinfected,nomatterifyouarenotinaseriousepidemic,especiallyyourshoes.Weallknowthequalityofourownpeople.Ifanyinfectedpersonspitsintheincubationperiodandyousteponitunfortunately,it'satragicstory.
Fourth,don'ttakemedicineindiscriminately.BeforeShuanghuanglianoralliquidcrazyrobbery,Idon'tknowhowtheythink.Whattheysayisinhibition.Onlywhenyougetitcanyousuppressit.Moreover,thereisnoclinicalexperiment.Secondly,ifyouarereallyunlucky,thestatewillhelpyoucureitfreeofcharge.Whydoyouspendthisunjustmoney?Andtobehonest,there'sanoldsayinginChinacalled"threepoisonsofmedicine".It'sreallydamaging.
Well,intheend,IhopeeveryoneisOK,andthenIhopealltherebelscancomebacksafely.
Thisistheendofmyspeech.Thankyou.
与新型冠状病毒有关的英语作文篇2
OnenovelcoronavirusnamedBlackSwancamefacetoface,justlikethelegendaryPandorabox,openeda2020doorwithadarkhand.Theepidemicisrampant,thecityisclosedeverywhere,thestreetsarecoldandeveryonecan'tgoout.
Sowhatisanovelcoronavirus?It'ssopowerful.Howdoesitenterthehumanbodytomakepeoplesick?Ihavecollectedrelevantscientificknowledge,combinedwithbiology,tomakeanintroduction.
Anovelcoronavirus,andinfluenzaviruseswehaveoftenheard,areallviruses.Bylearningbiology,weknowthathumancellscangrowanddivideintotwocells.Virusisakindofnoncellularparasiticmacromolecule.Ithasnocellthatcandivideitself.Itisequivalenttothe"parasite"ofcell.Itusestherawmaterialsintheinfectedcelltogeneratenewvirus.Itdoesnotaccordwiththecharacteristicsthatthelivingbodycanreproduceitself,butbecauseitcontainsDNA,ithastheabilityofmutationandevolution.
Althoughitisimpossibletodeterminetheoriginofthevirus,itisbelievedthatwhenlifeexists,thevirusalsoexists.ThenameoftheviruswasgivenbyDutchmicrobiologistbjelinkin1899.However,peoplehadnoideaabouttheshapeofthevirusatthattime.Itwasnotuntiltheinventionoftheelectronmicroscopein1931thatresearchersfirstgotpicturesofthevirus'smorphology.Afterthat,virusdiscoveryenteredthegoldenage,sofarmorethan5000typesofvirushavebeenidentified.
Virusesrangeinsizefrom20to300nanometers(1nanometreis0.000001mm)andtheirshapesvarywidely.Butthebasicstructureisthesame,whichiscomposedofDNAgeneandproteinshell.
Itseemsthatvirusesarereallylike"parasites".Aftersomanyyears,theystilldependonus.Butaftersolong,theyhavenotbeenabletodefeatus,whichmeansthatwecanalwaysdefeatthem.
Tothisday,wearestillinthetrendofspeciesevolution,inthebattleafterbattle,theevolutionofcellstomakethemselvesstronger.Cellshavebeenfightingagainstvirusesforbillionsofyears,andthewinneriseachofus.
与新型冠状病毒有关的英语作文篇3
Nowadays,thenovelcoronavirusisaroundus,whichmakesitimpossibleforustogoout.Doyouknowthattherearemanyvirusesaroundus?Someviruseshaveadvantagesanddisadvantages.
Nexttous,therearehundredsofmillionsofvirusesinasquaremeter,andthereare10millionvirusparticlesinadropofwater.Howsmallisthevirus?Onaverage,30000virusesareequivalenttoonebacterium,while50000bacteriaareequivalenttoonehumanlivercell.Scientistssayabout800millionvirusesfallfromtheskyeverysquaremetereveryday.Thesevirusesmayentertheatmospherewithwavesorsandstorms,andthenfalltotheground.
Virusitselfisakindofnoncellularlifeform.Thevirusalsoneedsthehost.Whenenteringthehost,theviruswillstarttocopyitsowngenesandformnewvirusparticles.Thesenewvirusparticleswillbereleasedcontinuouslyandinfectotherhealthycellsinthehostbody.
Buttoacertainextent,thishaspromotedtheevolutionoforganisms.Duringtheprocessofvirusenteringfromoneorganismtoanother,itmaytaketheDNAofonehost,andtheseDNAmaybeaccidentallyinfectedbythevirusinthebody.Asaresult,theDNAoftheinfectedpersonwillappearacertaindegreeofvariation.Butwhenmostmammalsarepregnant,themother'sbodywillproduceplacenta,whichisusedtoprotecttheembryo.BecausetheDNAoftheembryoisdifferentfromthatofthemother,themothermayhaverejectionreaction.Thesynthesisofplacentarequiresanendogenousretrovirus.
Afewyearsago,animalsinfectedwiththevirusdevelopedplacentaforthefirsttime,andthispartofanimalsgraduallyevolvedintomammalstoday.Sothevirusisnotnecessarilytheenemyofhumanbeings.Thevirusneedsthehost,notthesurvivalofhumanbeings.Sotherearemanyvirusesthatarenotfatal,butwhentheyenterthehumanbody,becausetheimmunesysteminthehumanbodycannotadapttothearrivalofthevirusforthetimebeing,theyformavarietyofdiseases.
Virusisanessentialorganismontheearth,eveninthecenter.Wedon'twanttohearaboutthevirusandbelieveinrumors.Everyoneiswellprotectedanddisinfected.Ibelievewecantakeoffourmasksandgooutsoon.
