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为了解某校九年级男生200米跑的水平，从中随机抽取部分男生进行测试，并把测试成绩分为D、C、B、A四个等次绘制成如图所示的不完整的统计图，请你依图解答下列问题： （1）a＝ ，b＝ ，c...
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某校高三年级有男生500人女生400人为了解该年级学生的健康情况从男生中任意抽取25人从女生中任意抽
简单随机抽样法
抽签法
随机数表法
分层抽样法
某校为了预测本校九年级男生毕业体育测试达标情况随机抽取该年级部分男生进行了一次测试满分50分成绩均记
为了解某初中学校学生的视力情况需要抽取部分学生进行调查下列抽取学生的方法最合适的是___
随机抽取该校一个班级的学生
随机抽取该校一个年级的学生
随机抽取该校一部分男生
分别从该校初一、初二、初三年级中各班随机抽取10%的学生
某校为了解本校九年级男生引体向上项目的训练情况随机抽取该年级部分男生进行了一次测试满分15分成绩均记
今年我市把男生引体向上项目纳入学业水平体育考试内容.考试前某校为了解该项目的整体水平从九年级220名
某校为了了解高三年级学生的身体状况现用分层抽样的方法从全年级600名学生中抽取60名进行体检如果在抽
某校高三年级有男生500人女生400人为了解该年级学生的健康情况从男生中任意抽取25人从女生中任意抽
简单随机抽样法
抽签法
随机数表法
分层抽样法
为了解某校九年级男生体育测试情况体育老师随机抽取部分男生进行测试并对成绩进行统计绘制成图1和图2两幅
某校从高二高三年级的学生中选拔学生组队参加市辩论赛.高二年级推荐了3名男生2名女生高三年级推荐了3名
为了解某校九年级男生的体能情况体育老师随机抽取部分男生进行引体向上测试并对成绩进行了统计绘制成图1和
为了解某校九年级男生200米跑的水平从中随机抽取部分男生进行测试并把测试成绩分为DCBA四个等次绘
为了解某校九年级男生1000米跑步的水平情况从中随机抽取部分男生进行测试并把测试成绩分为DCBA四
为了解某校九年级男生1000米跑的水平从中随机抽取部分男生进行测试并把测试成绩分为D.C.B.A.四
为了解某校九年级男生的体能情况体育老师随机抽取部分男生进行引体向上测试并对成绩进行了统计绘制成图1和
为了了解某校九年级男生的体能情况体育老师随机抽取部分男生进行引体向上测试并对成绩进行了统计绘制成图1
某校高三年级有男生500人女生400人为了解该年级学生的健康情况从男生中任意抽取25人从女生中任意抽
简单随机抽样法
抽签法
随机数表法
分层抽样法
某校为了解九年级学生的体能情况随机抽取部分男生进行引体向上测试并根据抽测成绩绘制成如下两幅统计图.1
为了了解某校七年级260名男生的身高情况从中随机抽查了30名男生对他们的身高进行统计分析发现这30名
260名男生的身高是总体
抽取的30名男生的身高是总体的一个样本
估计这260名男生身高的平均数一定是160cm
样本容量是30
我们约定如果身高在选定标准的±2%范围之内都称为普通身高.为了了解某校九年级男生中具有普遍身高的人数
为了解某校九年级男生的体能情况体育老师随机抽取部分男生进行引体向上测试并对成绩进行了统计绘制成图1和
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GoodafternoonandwelcometoEngland.Wehopethatyourvisitherewillbeapleasantone.TodayIwoulddrawyourattentiontoafewofourlaws. Thefirstoneisdrinking.Nowyoumaynotbuywineinthiscountryifyouareunder18yearsofagenormayyourfriendsbuyitforyou. Secondlynoise.Enjoyyourselvesbyallmeansbutpleasedon'tmakeunnecessarynoiseparticularlyatnight.Weaskyoutorespectotherpeoplewhomaywishtobequiet. Thirdlycrossingtheroad.Becarefulthetrafficmovesontheleftsideoftheroadinthiscountry.Usepedestriancrossinganddon'ttakeanychancewhencrossingtheroad. Mynextpointisaboutrubbish.Itisn'tlawfultodroprubbishinthestreet.Whenyouhavesomethingtothrowawaypleaseputitinyourpocketandtakeithomeorputitinadustbin. Finallyasregardssmokingitisagainstlawtobuycigarettesortobaccoifyouareunder16yearsofage. I'dliketofinishbysayingthatifyourequireanysortofhelporassistanceyoushouldcontactthepolicewhowillbepleasedtohelpyou.Youcancallwriteordirectlygotoaskanypoliceman. 1Whodoyouthinkismostlikelytomakethespeech? A.Aguide B.Apersonwhomakesthelaw B.Ateacher D.AnEnglishofficer 2Thephrasetakeanychanceinthepassagemeans. A.冒险碰运气 B.趁机 C.失去机会 D.生气 3Themainpurposeofthisspeechisto. A.tellpeoplethoseabove18cansmokeanddrinkthere B.declarethedifferentlawsofEngland C.giveadvicetotravelerstothecountry D.warnpeopleagainstgoingtothecountry 4Fromthespeechwehavelearntthat. A.inthecountryifyouare18yearsofageyoumaynotbuywinebutyourfriendscanbuyitforyou B.youmaynotbuycigarettesortobaccounlessyouareabove18yearsofage C.becausethetrafficmovesontheleftsideoftheroadyoumustusepedestrianwhencrossingtheroad D.youcan'tmakeanoiseexceptatnight
Mostofusprobablyhaveafewhoursaweekthatwecandevotetoourhobby.Whatifyoucouldchangeyourhobbyintoan1? Theysayifyoufindajobyouloveyouwillnever2adayinyourlife.Butthisold3isalittletoosimpleforPeterCEOofFossilRealm.Petershobbyoffossil化石4beganinhighschool.HisparentsworkedattheRoyalOntarioMuseumsoheinherited遗传aterestinnaturalhistory.Peterremembers5hispocketmoneyat13to6amineraltradeshowinDetroitwherehe7afewfossilswiththeremainingmoney.Returninghomehe8tosellallthefossilshecollectedformoney. Thisisthefirstsmall9leadingtomoretripssouth.LaterPeterbegansellinghisfossilsonline.The10remainedbywork业余工作tofundhim11college.Bygraduationhehadopenedhisowne﹣business12RunningFossilRealmisreallyhispassionate热爱的andrewardingbusiness13hesaysThoughyour14whatyoulovethatdoesn'tmeanit'll15easilynorwillitnecessarilybe16orsatisfying.soyouneedtoworkhard.HisFossilRealmhas17toincludemanymuseum﹣qualityfinds.ButtherootofhisgrowingbusinessisthepassionofPeterwhohas18losttheloveoffossilsfromthe19Havingpassionwillsurelypushusto20somethingweloveandchangethatpassionintoaction. 1A.career B.interest C.goal Dopinion 2A.find B.work C.enjoy D.live 3A.story B.rule C.method D.saying 4A.devotion B.protection C.collection Dcreation 5A.sharing Bsaving C.wasting D.lending 6A.attend B.make C.perform D.act 7A.borrowed B.invented C.bought D.donated 8A.tried B.wanted C.continued D.managed 9A.incident B.success C.challenge D.problem 10A.subject B.dream C.business D.education 11A.through B.across C.onto D.over 12A.museum B.show C.factory D.store 13A.moreover B.therefore C.meanwhile D.however 14A.affects Bmatches Cattracts D.improves 15A.takeof B.setof C.breakoff D.putoff 16A.regrettable B.reasonable C.enjoyable D.changeable 17A.expanded B.changed C.moved D.started 18A.always Bnever C.seldom D.ever 19A.adulthood B.neighborhood C.brotherhood D.childhood 20A.admit B.expect C.seek D.permit
假定英语课上将对学生的饮食习惯这一话题进行讨论请根据下列提示用英语写一篇发言稿.内容要点包括 1.不良饮食习惯不吃早餐爱吃零食节日暴食等 2.良好饮食习惯饮食多样化饮食有规律等 3.饮食的重要性 注意 1.词数100词左右 2.可以适当增加细节以使行文连贯 3.参考词汇零食snack 4.开头与结尾已为你写好 Dearfellowstudents AsweallknowwearewhatweeatThereforeit'sveryimportantforustoformhealthyeatinghabits. That'sallThankyou!
Whatdoyoureadwhenyoutravellingbytrain?Whataboutotherpassengers?Perhapsawoman1sitnearyouisreadingaromanticnovel.Amanisreadingaseriousbiographyaboutapolitician.Andthere'sastudentreadinganEnglishtextbook. Whatdotheir2choicesayaboutthem?Doyoujudgethemby3theyreading?Ihavetotellyouthatyourimpressionsofthemmaybe4completewrong.Thewomanreadingtheromanticnovelcouldbea5law.Shejustwantsalightreadtotakehermindoffwork.Themanreadingthebiographywantsyou6considerhimknowledgeableandheisjust7showoff.Thestudentreadingthetextbookisn'tastudentatall.She'sanEnglishteacher. Publishersknowpeopleare8concernaboutwhattheyreadonpublictransportandputoutdifferentversions版本ofacoverForexamplebooksaboutHarryPotterhavean9interestcoverforyoungreadersandthenanothermoreseriousversionforadults. Sonexttimeyouseewhatotherpeoplearereadingonatraindon'tjumptoanyconclusions. Hereisasituation10youcouldsayDon'tjudgeabookbyitscover.
Withthesummerholidayjustaroundthecomeritseemslikeeverybodyisbusyplanningtheirvacations.Herearesomelipsthatcanhelpyouenjoyyourholidaywithoutemptyingyourpocket Traveloff﹣season Gotoyourdesireddestinationwhilethedemandislowandtakeadvantageofhugediscounts.Duringthepeakseasonthehotelandflightpricesincreasequicklyandyou'lllikelyspendmoreofyourvacationtimestandinginlineduetotherushoftourists.1 Eatlikealocal Whyeatatbigchainrestaurantswhenyoucanexperiencesomethingnew?2Duringyourfamilytriptrynewfoodwherethelocalseat.Thiswillnotjustsavemoneybutalsoprovideyouwithanewanddifferentexperience.Forsmallermealsandsnacksavoidrestaurantsandtrystreetfoodorothertakeout. 3 Websitescanhelpyoufinddiscounthotelrooms.Lookforplacesthatdonotchargeextraforchildreniftheyusetheexistingbedding.Staywiththelocals.Ifyouandyourfamilyaregoingto8tayforalongerperiodrentingasmallapartmentisagoodchoice. Chooselocaltransportation 4Insteadtakebusesrailwaysorsubwayswhicharealwayscheaper.Ifyouareplanningtostayforawhileyoucanconsiderrentingacar.Hiringacarismucheasierthancarryingyourbagseverywhereifyouaremovingaroundalot. Don'thesitatetobargain Tourist﹣heavyplacesareknownforoverchargingforjustabouteverything.Clothestravelgoodiessouvenirsetc.areveryexpensiveattheseplaces.5Bargainhardtogetthebestprice. A.Saveonhotels. B.SurftheInternetwhiletraveling. C.Soit'sbesttofindoutwhentheoff﹣seasonstarts. D.Thereforeavoidbuyinganythingthere. E.Planningyourmealsisanotherwaytoreduceyourtravelcosts. F.Forthisreasonyoushouldn'tfeelashamedtoaskforbargains. G.Asatouristavoidtakingtaxiswheneverpossiblesincetheyareexpensive.
暑假即将开始请根据提示写一篇英语短文谈谈你打算如何安排你的假期生活. 内容要点应包括 1.和同学一起野餐 2.反思此学期以来的高中生活确定新的学习目标改进学习方法 3.补习弱科 4.帮助家长做家务活 要求 1.短文的内容要连贯完整 2.短文字数100词左右. 3.可适当增加细节以使行文连贯. 4.参考词汇反思reflecton学习方法studyingmethod 5.首句已经给出不计入总词数. Thesummerholidayiscoming
OnMarch2atthemeetingheldaheadoftheyearlysessionoftheCPPCCNationalCommittee全国政协大会interpreter口译员YaoMengyaocaughttheattentionofmanywithherquickreactionandcorrecttranslationXinhuanoted YaobeganherstudiesinEnglishinprimaryschoolwhereshewouldlistentoEnglishtapes. SheoffenspoketoherteacheraboutEnglish﹣relatedtopicsthatwerenotlimitedtotheonesinhertextbooksTheywerealwaysveryprofessionaluncommontopicssaidYao'sseniorschoolteacherShenYingzi. LikeYaoZhangLuisaregularinterpreterforChina'stopleadersincludingPremierLiKeqingandformerPremierWenJiabao.Hereffortlessbuton﹣pointtranslationsofancientpoemsmentionedbyformerPremierWenwonpraise. Sohowdointerpretersreachtheirtoppositions? Thereasonfortheirsuccessislargelyhardwork.OtherthanwhentheygooutonvisitswithChineseleaderstheinterpretersfollowaverystrictschedule.Zhangcalledthisscheduleanunshakableplan.TheylistentoforeignmediasuchasBBCVOAorCNNthroughTVorradiofortheirtraining. Itisreportedthatamonthbeforethetwosessions两会theinterpretersgetnoticeofthespokespersontheyaregoingtointerpretfor.Theythenmakefulluseofthismonthtopreparethemselves.Theytrytopredictthequestionsthatmightbeaskedandconsiderthesayingsthespokespersonmightusewhentheyanswerthequestions. IntruththereisnosecrettotheirsuccessIt'sallamatterofskillandhardwork. 1Whatcanbeinferredfromthesecondparagraph? A.YaotriedtomakeaspeechinEnglish. B.Thetextbooksdidn'tinterestyaoatall. C.YaoshowedastronginterestinEnglish. D.TheteachergottiredofYao'sendlessquestions. 2WhichofthefollowingisclosestinmeaningtotheunderlinedwordinParagraph3? A.Serious. B.Ordinary. C.Organized. D.Frequent. 3Whatshouldinterpreterstrytodobeforethetwosessions? A.Makeascheduleforforeignvisits. B.Predictthequestionstobeasked. C.GooutonvisitswithChineseleaders. D.Discusswiththeirteammates. 4Howdotheinterpretersreachthetoppositions? A.Byworkinghard. B.Bytravellingabroad. C.Bymakingastrictschedule. D.Byfollowingtheleaders.
利用不同微生物的发酵作用来制作果酒果醋腐乳和酸奶等食品的历史悠久遍布民间一般称作传统发酵技术．根据传统发酵技术的相关知识回答以下问题． 1在泡菜腌制的过程中要注意控制腌制的时间温度和用大白菜腌制泡菜的过程中亚硝酸盐含量变化是． 2在制作腐乳过程中所需的微生物来源于而现代的腐乳生产是在条件下将优良的菌种直接接种在豆腐上这样可以避免其他菌种的污染． 3在蓝莓果酒制作过程中在变酸的酒的表面观察到的菌膜是由大量繁殖而形成的其在时将乙醇变为乙醛然后变为醋酸． 4用固定化酵母细胞发酵生产果酒时最常选用作载体包埋酵母细胞．
Itisstillmyfirmbelievethatwedidtherightthing.
IfirstmetPaulNewmanin1968whenGeorgeRoyHillthedirectorofButchCassidyandtheSundanceKidintroducedusinNewYorkCity.Whenthestudiodidn'twantmeforthefilm﹣itwantedsomebodyaswellknownasPaul﹣hestoodupforme.Idon'tknowhowmanypeoplewouldhavedonethattheywouldhavelistenedtotheiragentsorthestudiopowers. ThefriendshipthatgrewoutoftheexperienceofmakingthatfilmandTheStingfouryearslaterhaditsrootinthefactthatalthoughtherewasanagedifferencewebothcamefromatraditionoftheaterandliveTV.Wewererespectfulofcraft技艺andfocusedondiggingintothecharactersweweregoingtoplay.BothofushadthequalitiesandvirtuesthataretypicalofAmericanactorshumorousaggressiveandmakingfunofeachother﹣butalwayswithanunderlyingaffection.Thosewerealsoatthecore核心ofourrelationshipoffthescreen. Wesharedthebriefthatifyou'refortunateenoughtohavesuccessyoushouldputsomethingback﹣hewithhisNewman'sOwnfoodandhisHoleintheWallcampsforkidswhoareseriouslyillandmewithSundanceandtheinstituteandthefestival.PaulandIdidn'tseeeachotherallthatregularlybutsharingthatbroughtustogether.Wesupportedeachotherfinanciallyandbyshowingupatevents. Ilastsawhimafewmonthsago.He'dbeeninandoutofthehospital.HeandIbothknewwhatthedealwasandwedidn'ttalkaboutit.Ourswasarelationshipthatdidn'tneedalotofwords. 1Whywasthestudiounwillingtogivetheroletoauthoratfirst? A.PaulNewmanwantedit. B.Thestudiopowersdidn'tlikehisagent. C.Hewasn'tfamousenough. D.Thedirectorrecommendedsomeoneelse. 2WhydidPaulandtheauthorhavealastingfriendship? A.Theywereofthesamedge. B.Theyworkedinthesametheater. C.Theywerebothgoodactors. D.Theyhansimilarcharactertics. 3Whatdoestheunderlinedwordthatinparagraph3referto? A.Theirbelief. B.Theircareforchildren. C.Theirsuccess. D.Theirsupportforeachother. 4Whatistheauthor'spurposeinwritingthetext? A.Toshowhisloveoffilms. B.Torememberafriend. C.Tointroduceanewmovie. D.Tosharehisactingexperience.
Asweknoweveryonecanmakemistakesbutdon'tworryaboutit.Thefollowingiswhatweshoulddowhenwemakemistakes. Justadmitit.Don'tthinkthatourmistakesarecausedbyothers.1Do'tblameotherpeopleanddon'tcheatourselveseither. 2Inordertostoptheproblemfromgettingworseweshouldactquicklytosolveit.Ifwedon'tactanddealwiththeproblemquicklyit'llonlymakeusfeelmorestressed.Alsoitisnecessarytomakeaplanofactionandcorrctthemistakeaccordingtoit.3. 4ThosewhohavemadethemostmistakescangetanAfortheyaretheoneswhohavelearnedthemost.Themorewelearnfromourmistakestheclevererweare. 5Whatcausedustomakethemistake?Howcanweavoidmakingthesamemistakeinthefuture?Whenweactwithamethodtogetaoodresultdoitthatwaynexttime.Ifwedon'tweshouldstopthinkaboutitchangeitandtryagain. A.Realizethatmakingmistakesisthebestwaytolearn. B.Don'tbeafraidoffailure. C.Bebraveandfacethefactthatwehavemadethemistakes. D.Solveitatonce. E.Sobeawayfromstress. F.Sodecidequicklyandact. G.Thinkaboutwhatwecanlearnfromourmistakes.
I'djustaboutgivenmyselfupforlostwhenIwasspotbyaship.
不能让那个骗子哄骗人们却不受惩罚! Don'thavethecheaterwithtellingpeoplelies!
Aspirinhaslongbeenpraisedasawonderdrug.Anaspirinadaykeepsthedoctoraway.ManyAmericanshavebeentakingoneaspirinadaybelievingitwouldprotectthemfromaheartattackastroke中风andevenacancer.Butseveralrecentstudieshavethrownthisintoquestion.Dailyuseofaspirincanhaveserioussideeffects副作用. Onestudyfollowedmorethan19000healthypeopleaged65andolder.Theywererequiredtotakeeither100mgofaspirinalittlemorethanthe81mgdosethatmostpeopletakeoraplacebo无效对照剂everydayforaboutyearsNotonlydidpeopleintheaspiringroupnotlowertheirriskofheartdiseaseordisabilitybuttheywerealsomorelikelytosufferfrombleedingintothebrainorstomach.AndtheyweremorelikelytodiebecauseofanincreasedriskofgivingintocancerSimilarlyanexperimentofmorethan12.500peopleaged55andolderwhohaveacardiovascular心血管的riskfoundnobenefittotakingaspirindaily.Instudyofmorethan15000peoplewithdiabetes糖尿病adailyaspirindidpreventheartattacksandstrokesbutitalsocausedseriousbleeding. Althoughsomeearlierresearchhasprovedthataspirincanhelppeoplewhohavealreadyhadorareathighriskforheartattacksorstrokesthedrug'svalueisnotsoclearforpeopleespeciallyolderpeople. ThebottomlineisthisBesmartandbesafe.Youshouldnottakedailylow﹣doseaspirinwithouttalkingtoadoctorifyou. ●Areovertheageof70 ●Drinkwineregularly ●Areonanysimplemedicaloperations 1WhydomanyAmericanstakeoneaspirinaday? A.Ithasnosideeffectsatall. B.Itmakespeoplefreefromdiabetes. C.It'sprovedtobeawonderdrug. D.It'sbelievedtopreventseriousdiseases. 2WhatisParagraph2mainlyabout? A.Thesideeffectsfromtakingaspirin. B.Thereasonsforbleedinganddiabetes. C.Theelderlyhavingacardiovascularrisk. D.Theeffortpeoplemaketopreventdiseases. 3WhichofthefollowingstatementsaboutaspirinisTRUE? A.Peopledrinkingwinefrequentlyshouldtakeaspirin. B.Aspirinhelpshealthypeoplelowerriskofheartdisease. C.Mostpeoplehaveagoodunderstandingofaspirin'svalue. D.Takingaspirindailymightcausehealthproblemsforhealthypeople. 4Whatdoestheauthorthinkoftakingaspirindaily? A.Thistreatmentisveryhelpfulandsimple. B.Peopleshouldbecarefulaboutthemedicine. C.Oldpeopleshouldstartthiskindoftreatment. D.Itcouldbeusedtotreatheartattackandstroke.
Wildanimalsshouldbelentinthewildandnotusedforentertain.
AfewyearsagoItookasightseeingtriptoWashingtonDC.Isawmanyofournation'streasuresandIalsosawalotofcitizensonthestreet﹣1oneslikebeggarsandhomelessfolks. StandingoutsidetheRonaldReaganCenterIhearda2ask.Canyouhelpme?WhenI3Isawanelderly4womanwithherhandextended.5Ireachedintomypocketpulledoutallofmyloose6andplaceditinherhandwithoutevenlookingather.Ihatedbeing7byabeggar. ButtheblindwomansmiledandsaidIdon'twantyourmoney.Ijustneedhelpto8thepostoffice. InaninstantI9whatIhaddone.Ihadactedwith10andIhatedwhatIsawinmyself.This11broughtbackmycentralbelief12methatIbelievedinbeinghumbleeventhoughI'dlostthatbeliefforamoment. ThethingIhad13aboutmyselfisthatIamanimmigrant.IleftHondurasand14intheUSattheageof15.Throughthe15Ihavebeenadishwasherroofermechaniccashierandpizzadeliverydriveramongmanyotherhumble16.Ihadbeenlookeddownuponanddeeply17.EventuallyIbecameanetworkengineer. ButnowlivingmyAmericanmiddle﹣classlifestyleitistooeasytoforgetmypasttoforgetwhoIam.Andinwritingthis18Ihopetothankherforthe19lessonshegaveme.Neverjudgeothersbywhatyou20theyare. 1A.unhealthy B.unfortunate C.uncertain D.unconscious 2A.noise B.sound C.bell D.voice 3A.turnedup B.turnedaround C.turnedoff D.turneddown 4A.blind B.fat C.tall D.deaf 5A.hopefully B.suddenly C.Immediately D.thankfully 6A.card B.key C.notice D.change 7A.bothered B.scolded C.accused D.pushed 8A.find B.mark C.beg D.hide 9A.wondered B.realized C.praised D.enjoyed 10A.caution B.alarm C.prejudice D.luck 11A.accident B.memory C.instance D.incident 12A.reminding B.dragging C.pulling D.warning 13A.cared B.panicked C.forgotten D.remembered 14A.helped B.cried C.married D.arrived 15A.hours B.years C.days D.months 16A.workers B.teachers C.jobs D.activities 17A.hurt B.praised C.lost D.respected 18A.invitation B.letter C.application D.essay 19A.valueless B.priceless C.hopeless D.meaningless 20A.adjust B.admire C.assume D.argue
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Mymotheralwayslovemewithallherheart.ShetakescareofmeallthetimeandIamsoproudthatIhavesuchgoodmother.ButyesterdaywheremymotherwaswashingthedishIcametohelpher.SuddenIfoundshegotawhitehairwhichmademesosurprisebecauseIneverthoughtshewouldgetold.ThereasonwhyIfeltsosorrywasbecauseIhadlethertoworryaboutmesomuchbefore.NowIwanttohelphertodomanythingstellherthatIhavegrowup.
恐龙也生蛋在地球上生存了一亿四千多万年. Dinosaurstooandexistedontheearthformorethan140millionyears.
Canada'spopulationisonlyslightoverthirtymillion.
LOSTANDFOUND ROOMMATES FOUNDCal6monthsoldblackandwhitemarking.FoundnearLindenandSouthU.Steve800﹣4661. FEMALEROOMMATEWANTING Ownroomnearcampus.AvailableDecember1. Rent﹩80permonthuntilMarch1.﹩129 Thereafter. CallJillfordetails.800﹣7839 LOSTGoldwirerimglassesinbrowncase. Campusarea.Reward.CallGregg800﹣2896 Needpersontoassumeleaseforownbedroominapt. Nearcampus﹩92/mo. StarlingJan.1.Call800﹣6157after5pm FORSALE HELPWANTED MOVINGMustsell.TVb/w12﹩50 AM/FMtransistorradioA/Corbattery%15 cassettetaperecorder﹩10musicrecordsCallJohnorPat800﹣0739after5pmorweekends BABYSITTER﹣MYHOME Ifyouareavailableafewhoursduringthedaysomeeveningsandoccasionalweekendstocarefor2school﹣agechildrenpleasecallGayleMooredaysat800﹣1111eveningsandweekendsat800﹣4964 USEDFURCOATSandJACKETS Goodcondition.﹩50﹣﹩125.Cull800﹣0436after12noon WAITRESSWANTED 10am﹣2pmor1030am﹣5pm.Applyinperson207S.MainCurtisRestaurant 1WhatwaslostincampusareaaccordingtotheLOSTANDFOUNDads? A.Acat. B.Aradio. C.Acassettetaperecorder. D.Apairofglasses. 2Youwillhavetocallifyouwanttobuyaradio. A.800﹣0436 B.800﹣0739 C.800﹣4964 D.800﹣4661 3Whichofthefollowingadswillyouanswerifyouwantajoboftakingcareofchildren? A.LOSTANDFOUND B.ROOMMATES C.HELPWANTED D.FORSALE
Everyonewouldliketobeamillionaireapersonwithalotofmoneybutcanyouimaginehavingover30milliondollarsandonlybeing20yearsold?BritneySpearsfromKentwoodasmalltowninLouisianaisonly20yearsold.Sheisaworldfamousfilmstarwithnotonly30milliondollarsbutalsoa2milliondollarshouseinLA.Atheryoungageshecanlookafterherfamilyfinancially经济上allherlife.ThisyearisabigyearforBritney.Sheisnowona31﹣daytouroftheUSandeveryconcertisasell﹣out.Thatmeanssheplaysinfrontofacrowdofaround18000peopleeverytime.It'satiringschedulebutbringsheralot.Whentouringshegoestobedaround1a.m.andthenhasalie﹣inuntil1p.m.thenextday.Herphilosophy人生观istotakecareofthebodyandrelaxbutalwaysmakesureyouworkhardandhavefun. Spearsisnotpleasedwithonlytouringandsellingnearly40millionrecordssoshedecidedtostepintothemoviebusinessandtryabitofacting.ShemadeanappearanceinAustinPower3thisyearandsheisfilmingateenagelightplaythatwillcomeoutinMarch2003.Inthismovieshehasastarringrole. ForBritneyactingisanotherwaytoexpressherselfandsheisenthusiastic热心的aboutitall.Ifhermoviesaresuccessfulhermoneyinthebankissuretogrowbyanotherfewmilliondollarsbutshedoesitforthelovenotthemoneyassheherselftellsthereporters. 1Wecaninfer推断fromthetextthatmostmillionairesare. A.olderthan20 B.around20 C.intheir30s D.intheir40s 2Theunderlinedwordyouinthefirstparagraphrefersto. A.apersoningeneral B.aspecialperson C.BritneySpears D.apersoninterestedinmoney 3Whichofthefollowingisnottrueaccordingtothetext? A.ThoughyoungBritneycansupportherfamilynow. B.WhiletouringBritneysleepsabout12hoursaday. C.TheteenagemoviewasstarredbyBritney. D.Britneywillbeevenricherwithhermoviessuccessful. 4AccordingtoBritneySpearssheworks. A.tobeagreatactress B.fortheenjoyment C.formoney D.tobemorefamous
生产实践中总结出“根深叶茂”和“育秧先育根”的宝贵经验即只有根生长得好地上部分才能很好地生长．请回答 1在生产实践中人们成功的合成了多种植物生长调节剂．其具有等优点． 2在用IAA处理插条生根时如果IAA的浓度较低适合采用法处理插条． 3IAA除了具有促进生根的功能还与叶片和果实的脱落有关．有些研究结果如图所示．据图可知．IAA对脱落的效应与有关． 4脱落的生物化学过程主要是水解离层的细胞壁和中胶层使细胞分离．与脱落有关的酶种类较多其中是较为关键的．
InAmericawhentheeighthgradersleavethemiddleschooltheyareoftenworriedaboutmovingtothehighschool.Itisahardtimeforthembutitcanbeanexcitingoneaswell.Tomakeiteasierstudentsneedtogetfamiliarwiththeirschool. Eventhoughthey'vedonethisalreadyinthemiddleschoolit'sstillimportanttofindwheretheirclassroomsare.Mostschoolstakestudentstothehighschoolforavisitattheendoftheireighthgradeyear.Andmostschoolsalsohaveafreshmanspeechforparentsandstudentsbeforethefirstyearbegins.Sometimesthemainofficewillgiveawayamapoftheschool.Thiscanhelpstudentsandparentstofinddifferentplacesintheschool. Onewaytoknowyourhighschoolmoreandmakenewfriendsistojoindifferentclubsandsports.FallactivitiesbegininAugustbeforethefirstdayofschool.Ifyouarenotinterestedinsportsthereareclubsforanyinterestssuchasdramadancechessphotographycommunityserviceetc.Theseclubsallowstudentsfromdifferentgrades.Byjoininganactivitystudentscanfindnewfriendshipnottomentionimprovingtheirchant.esinfuturecollegeapplications.Theschoolofficewillhavealistofactivitiesofferedattheschoolandinformationonhowtojointhem. What'smoretohaveagreatstarttoahighschoolyearstudentscanwritedownsomeoftheirworriesandaskforhelpfromteachersandschoolworkers. 1Accordingtothetextmoststudentsfeelwhenenteringthehighschool. A.unhappy B.nervous C.disappointed D.lonely 2WhichofthefollowingisTRUEabouttheschoolclubs? A.Therearefewerstudentsfromhighergradesintheschoolclubs. B.Theschoolclubsinhighschoolmainlywelcomesportsfans. C.Summeractivitiesusuallybeginbeforehighschoolstarts. D.Theschoolofficecanhelpnewstudentsjoinschoolclubs. 3Whendomanyschoolstakestudentstovisittheirnewhighschool? A.Before﹣theeighthgradeyearstarts. B.Rightafterthehighschoolyearstarts. C.Attheendofthelastyearinthemiddleschool. D.Atthebeginningofthenewterminhighschool. 4Whatisthepurposeofthetext? A.Todescribethecolorfulhighschoollife. B.Toofferadvicetonewhighschoolstudents. C.Togiveinformationoncollegeapplications. D.Toshareusefulexperienceinhighschool.
Theirfoodisgatheredforthewinterandtheagricultureworkisover.
Americanpopularmusicisplayedallovertheworld.Peopleofallagesinallcountriesenjoy1listentoit.Thereasonsfor2popularityareitsfastpaceandrhythmicbeat.ThemusichasmanyoriginsintheUnitedStates.Countrymusic3comefromtheruralareasinthesouthernUnitedStatesisonesource.Manypeopleappreciatethismusicbecauseoftheemotions4expressbycountrymusicsongs. AsecondoriginofAmericanpopularmusicsitheblues.Itdescribedmostlysadfeelings5reflectthedifficultlivesofAmericanblacks.ItisusuallyplayedandsungbyblackmusiciansbutitispopularwithallAmericans. Rockmusicisanewerformofmusic.Thismusicstylewasknown6rockandrollinthe1950's.Sincethenthere7bemanyformsofrockmusichardrocksoftrockpunkrockdiscomusicandothers.Many8performofpopularrockmusicareyoungmusicians. Peoplehearthesesongs9singintheiroriginalEnglishorsometimestranslatedtootherlanguages.Thewordsmaydiffer10theenjoymentofthemusicisuniversal.
Averagehumanscanconsume15ormoredrinksinplasticbottlesamonth.Ifyouwerebornafter＝1978andliveuntil80yearsoldyouwillleavebehindaminimumof14400plasticbottlesonthisplanet.Thesebottlestakehundredsofyearstobreakdownintotinypiecesofplasticnevertocompletelydisappear.Mostofthewasteisconsumedbyfishandbirdswhichhasshortenedtheirlifespan寿命greatly. ThePlasticBottleVillageisjustagreatideathatmightfinallysaveusfrombeingburiedinplastic.It'sacommunityinPanamathatisgoingtobemadeofusedbottles.Thedesignprocessbeginswithbuildingsteelframeswhicharethenfilledwiththesebottles.Oncethisstepiscompleteandelectricalandplumbing管道装置linesareputinsidetheplasticwallsarecoveredbyconcrete﹣bothinsideandoutside.Sonoonewillactuallybeabletotellthatthewallsaremadeofplastic.Besidesthematerialwillkeepthehouse17℃coolerthantheoutsidewhichisthebiggestbenefittopeoplelivinginside. Thevillageisthebrainchild主意ofRobertBezeauwiththeintentionofsettingupseveralenvironmentalprojects.Havingstartedarecyclingprogramfouryearsagoduringwhichanumberofplasticbottleswerecollectedhestartedtothinkofhowtheycouldbeputtouse.Soonenoughhedecidedtousethemtobuildhousesandcameupwithabasicideafortheconstructionprocess. Theprojecthopestomakepeopleconsciousofthewastethatthesebottlescreatesothattheycandomoretoprotecttheenvironment.Thevillagewillalsocreateaneducationcenterthatwillteachindividualsfromtheworldhowtoreuseplasticbottlesasconstructionmaterialsforshelter.Recycledbottlescouldneutralizethenegativeeffectofyourpassageonthisplanetandmoveclosertoleavingonlyyourfootprints. 1Whatdothefiguresinthefirstparagraphshow? A.Thereasonforbuyingfewerdrinks. B.Theseriousnessofplasticpollution. C.Theamountofplasticwaste. D.Thedifficultsituationofwildlife. 2Whyarethehomesinthevillagespecial? A.They'regreenbuildings. B.They're17℃warmerinside. C.Theystopplasticpollution. D.They'reentirelymadeofplasticbottles. 3WhichwordcanbestdescribeRobert? A.Responsible. B.Considerate. C.Creative. D.Sensitive. 4Whatdoestheprojectwanttodothroughthesehomes? A.Provideshelterforlocals. B.Reusealldesertedplasticbottles. C.Popularizetheuseofplasticbottles. D.Raisepeople'senvironmentalawareness.
Musiccanmakeusfeelhappyorpeacefulormoveustotears.Asanorchestraconductor指挥AmyAndersonallowspeopletoexperiencemany1thatmusiccangive. Andersonfellinlovewith2asachild.Shebeganplayingthepianoatseven.Sheboughtmanyvideos3bytheworld'sgreatorchestrasandconductorsand4listenedtothemforhours.Duringaconcerttheaudiencesseethe5ofaconductorandthearmmovementsheorsheuses.Whataudiencesdonotseeisalltheworktheconductorhasdonebeforethe6.HoweverafewmonthsbeforeaconcertAndersonstudiesthemusicby7itonthepiano.Shelistenstorecordingreadsaboutthemusician'slifeandreviewssome8eventsthatwouldhaveinfluencedthemusician.Hergoalistopresentthemusicasthemusician9. WhileconductingAndersonusesherwholebodyto10howthemusicshouldsoundandfeel.Her11arestrongwhenthemusicis12andgentlewhenthemusicispeaceful.AssheconductsAndersonlistensoutforthe13withthebalanceofdifferentkindsofinstrumentsorvoices. To14youngmusicianstounderstandhowtoplaythemusicAndersontellsthemtoimaginea15andrelaxingwalkorashipbeingtossed颠簸bywaves.Itismusic'sabilityto16peoplethatIlikemostsaysAnderson.Shehasseenaudiencesatherconcertsclaptheirhandstogether.17listenersaremovedtotearsbythemusic.AfteroneconcertinSerbiatheaudiences18aroundtheorchestra'sbusesandshowedtheir19forthemusicians.Andersonishappytobeaconductorbecausemusiccan20people'sspiritsandbringjoyintoordinarydays. 1A.feelings B.characters C.thoughts D.changes 2A.painting B.art C.music D.dance 3A.kept B.recorded C.praised D.directed 4A.never B.gradually C.finally D.always 5A.face B.head C.look D.back 6A.schedule B.performance C.task D.meeting 7A.putting B.beating C.playing D.repeating 8A.important B.strange C.meaningless D.unpleasant 9A.designed B.expected C.impressed D.ordered 10A.prove B.recognize C.learn D.express 11A.ideas B.accents C.movements D.voices 12A.energetic B.magical C.wonderful D.lively 13A.signals B.problems C.sounds D.challenges 14A.encourage B.force C.remind D.help 15A.short B.quick C.calm D.heavy 16A.influence B.tell C.watch D.meet 17A.Firstly B.Frequently C.Fortunately D.Lately 18A.ran B.drove C.walked D.gathered 19A.kindness B.care C.appreciation D.understanding 20A.lift B.follow C.show D.bring
假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均限一词 2.只允许修改10处多者从第11处起不计分. Dearhighschoolfreshmen Youwereofftohighschool.Youarenowanofficialteenagergetreadytobecomeayoungadult.Mostofyouwillbeexcitedinthefirstday.Butsomeofyoumayfeelconcernedaboutwhichliesahead.Survivinghighschoolistotalpossible.Youshouldjoininattheleastoneactivitybeforeschoolstarts.Besidesneitherlimityoutojustthefriendsyoualreadyhavenorafraidtoaskforhelp.AsagraduationI'lltellyouthenextthreeyearsofyourlifewillflyby.It'swhatyoudoduringthisperiodthatcountthemost.
假定你是某学校的学生会__.最近你发现有些学生经常以零食代替正餐.请你代表学生会用英语写一封倡议书呼吁同学们养成健康的饮食习惯. 注意 1词数100左右 2开头和结尾已给出但不计人总词数. Dearfriends StudentUnion
DrYuansearchedforawaytoincreasericeharvestswithoutexpandtheareaofthefield.
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