关于LED的作文 - 描写LED的作文
> 列表LED灯的秘密 - 说明文400字
2021-12-20从前有个叫爱迪生的发明家,他发明了可以在夜晚发光的电灯泡,它和一瓶墨水差不多大。可是,电灯泡没亮几十天就熄灭了,或者直接炸裂。可想而知,在50多年前,在夜晚获取亮光是多难啊。可是,在40年前,科学家发明出了LED和日光灯等......
LED灯作文500字
2023-05-18我们今天做了LED灯。首先我们拿一个电路板。我一看,呀!这么复杂的电路板?然后我们拿出了LED灯,王老师让我们把四个角去掉,拿出了很多线,我仔细一看,有红的、黄的、橙的、棕的……我们先把红、棕、橙三种颜色挨在......
LED灯
2023-04-10我们今天做了LED灯。首先我们拿一个电路板。我一看,呀!这么复杂的电路板?然后我们拿出了LED灯,王老师让我们把四个角去掉,拿出了很多线,我仔细一看,有红的、黄的、橙的、棕的……我们先把红、棕、橙三种颜色挨在......
Relaxed weekend - 轻松的周末英语作文70字
2020-06-28Relaxedweekend_轻松的周末英语作文70字Ihadagoodtimelastweekend.OnSundaymorning,Istayedathomeanddidmyhomework.Thehomeworkwasn’tdifficult.Afterthat,Iplayedvolleyballwithmyfriends.Itwastired,butvery......
Relaxed weekend - 英语作文轻松的周末60字
2020-06-28Relaxedweekend_英语作文轻松的周末60字Ihadagoodtimelastweekend.OnSundaymorning,Istayedathomeanddidmyhomework.Thehomeworkwasn’tdifficult.Afterthat,Iplayedvolleyballwithmyfriends.Itwastired,butvery......
初三英语演讲稿:Ladies and gentlemen
2020-06-30初三英语演讲稿:LadiesandgentlemenLadiesandgentlemen,Goodmorning.WearestudentsinGrande9andalmost15yearsoldnow.Insomecountries,15-year-oldcitizensareregardedasadults.ThatiswhyIjustnamedyouladiesandgentle......
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Whyweneedtolearnknowledge?_我们为什么要学习英语议论文150字Studyisourstudent'smanystudentswillask,whywemustlearnknowledge.Isknowledgesoimportanttous?Ifwedon'tneedtopasstheexam,shouldwestillneed......
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初三英语作文:Shouldthemiddleschoolstudentsdohousework?Yesterday,therewasadiscusioninourclass.Wetalkedaboutwhetherweshoulddohouseworkornot.IagreedwithwithSharon.Shesaid,Themiddleschoolstudentsshoulddoso......
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DjokovicFulfilledCareerGrandSlamNovakDjokovicisoneofthetoptennisplayersintheworld.Hehaswonmanygrandslams,whichisthegreatesthonorforaplayer,butthereisonlyonegrandslamhehadn’tachieved—theFre......
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初三英语作文:ShouldStudentsBeAllowedtoBringMobilePhones?Shouldstudentbeallowedtobringmobilephonestoschool?It’sabigproblemforpeople,includingparents,teachersandstudentsthemselves.Someparentsthinks......
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Don'tlendmoneytoyourfriends-youwillloseboth_别借钱给你朋友—赔了夫人又折兵英语作文Willyoulendmoneytoyourfriends?Inmyopinion,Iwilllendmoneytomyfriendiftheamountofmoneyissmallsuchaswithintwohun......
Does He Really Like School - 初中英语作文200字
2020-06-30Oneday,whenJackwasonhiswaytoschool,hehadafriendlytalkwithhisuncle.Hisuncleaskedhimwhetherhelikedschool,hesaidhelikedschoolbutonlysometimes.Hisuncledidn'tknowwhathemeant.Heasked,"whendoyoulikeschool......
Love life civilized travel - 关于城市的作文1000字
2020-06-20Themostpreciousthingislife,lifeforeveryoneonlyonce,lovelife,civilizedtravel,trafficsafetyisthecontinuationoflife,isthehappinessofthefamily,don'tletthenoiseofthetrafficaccidentstakeabeautifulandinn......
My Middle School life - 我的初中生活英语作文100字
2020-06-20Ilikemyschoolveryoughit’salittleiscleanandbeautiful.I’velearnedmuchknowledgefromfavoritesubjectisEnglishandteachersareveryIaskthemanyquestion,theyalwaysmakeiteasytoclassmatesareveryghweare......
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初二英语作文:DifferentPeopleLikeDifferentMoviesDifferentpeoplelikedifferentmovies.Marylikescomedies,shethinkstheyarefunny.Shelikesdocumentariestoo,becauseshethinksdocumentariesareexciting.Shedoesn&rsqu......
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Withthedevelopmentoftechnology,itiscommonforpeopletousedmobilephoneeverywhere.However,moreandmorestudentsuseditintheirclass.Inmyopinion,theyshouldnotusetheirmobilephonesinclass.Firstofall,studentswill......
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Iwouldliketoliveincountryside我更喜欢乡村生活英语议论文80字Thecityisprosperous,thecountrysideisquiet.ButIprefertoliveinthecountryside.Inmyopinion,theairinthecountrysideisfresherthantheairinthecity,and......
Special beef noodles - 特色牛肉面英语作文50字
2020-05-02Doyoulikebeefnoodles?Cometoourrestaurant,please!TheyareourspecialthisweekfromJune10toJune16.Thereisbeefanddifferentvegetableslikepotatoes,carrotsandtomatoesinthenoodles.Thelargebowlis15yuanandthesmall......
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HelpingThosePeopleWhoNeedHelps_英语作文350字Astheeconomydevelopsconstantly,ourliveshaveagreatchanged.Butwecan'tignorethatsomepeoplearestillpoorandcan'tholdontheirfamilies.Ithinkitisnecessaryto......
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Dearjohn,I'minGuangzhouChimelongSafariPark.Now,Iseetwopandasareeatingbamboos.Theymusttastedelicious.Icanseemanyotheranimalshere,likegiraffes,tigersandkoalas.Butofalltheanimals,Ilikepandaaresocute!......
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Withthedevelopmentofvariousonlinegames,electronicsportsslowlyappearinourlineofsight.WecanalsoseeallkindsofnewsaboutE-sportscompetitionsonmicro-blogandotherplatforms.Somepeopleareprofessionale-sportspl......
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初三英语作文:SomeadviceonhowtolearnEnglishwellDearLinda,Iknowitisn’teasytolearnEnglish,butIhavesomeideasthatmaysaidyoucouldn’tunderstandpeoplewhotalked,youcantrytolistenforthemostimportantw......
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FromthesixteenthofJanuarytotheseventhofFebruaryisourWinterHoliday.IthinkeverybodydidalotofthingsintheWinterHoliday.ButIdidn’t.LetyoutolistentomystoryofWinterHoliday.Ispendalotoftimeonthehomework......
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Thelittlestudentofcountryside_农村的小学生英语作文120字Asweallknown,theimprovementofcountrysideisslowerthanthatofcity.Theeducationofcountryside,hasalotofdisadvantagewhichisbadforthosestudentswhoarebor......
Gardenia is already in full bloom - 英语作文范文
2020-06-28GardeniaisalreadyinfullbloomRiversideofthesettingsunshines,gardeniaisalreadyinfullbloom,likecurlingupcataclasticSuBo,peelingaistheshareisalineofsentenceswhicharefrommncomes,felltothelightfragranceofga......