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如图所示的四个力中，不属于弹力的是（ ）
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如图所示的各力中不属于弹力的是
如图4所示的四个力中不属于弹力的是
如图所示的四个方框依次代表细菌衣藻木耳蓝藻其中阴影部分表示它们都具有的某种物质或结构下列哪项不属于这
核糖体
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绩效评估标准可以分为四个方面其中不属于这四个方面
成果
时间
凝聚力
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如图所示力的现象中哪个力不属于弹力
运动员对杠铃的力
手拉橡皮筋的力
月亮对地球的力
大象对跷跷板的力
如图所示的四个力中不属于弹力的是
如图所示的四个方框依次代表细菌衣藻木耳蓝藻其中阴影部分表示它们都具有的某种物质或结构下列哪项不属于这
核糖体
染色体
DNA
RNA
如图所示的四个遗传图谱中肯定不属于伴性遗传的是
①
④
①③
②④
如图2所示的四个力中不属于弹力的是
如图所示的四个遗传图谱中肯定不属于伴性遗传的是
①
④
①③
②④
如图所示的四个方框依次代表细菌黑藻木耳蓝藻其中阴影部分表示它们都具有的某种物质或结构下列哪项不属于这
核糖体
RNA
DNA
染色体
如图所示的四个方框依次代表细菌衣藻木耳蓝藻其中阴影部分表示它们都具有的某种物质或结构下列哪项不属于这
核糖体
RNA
DNA
染色体
如图所示的四个力中不属于弹力的是
跳板对运动员的支持力
弦对箭的推力
熊猫对竹子的拉力
地球对月球的吸引力
如图所示的四个遗传图谱中肯定不属于伴性遗传的是
①
②
③
④
如图所示的四个方框依次代表细菌黑藻木耳蓝藻其中阴影部分表示它们都具有的某种物质或结构下列哪项不属于这
核糖体
RNA
DNA
染色体
如图所示的四个力中不属于弹力的是
如图所示的四个方框依次代表细菌衣藻木耳蓝藻其中阴影部分表示它们都具有的某种物质或结构下列哪项不属于这
核糖体
RNA
DNA
染色体
如图2所示的四个装置中不属于连通器的是
玻璃连通管
托里拆利实验
茶壶
液位计
关于弹力下列说法正确的是
两个物体如果接触就一定会产生弹力
压力和支持力属于弹力，绳子中的拉力不属于弹力
两个物体不发生接触也可能会产生弹力
压力和支持力的方向一定与接触面垂直
如图所示的各力中不属于弹力的是
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DearRichard I'mgladyou'recomingtoChina!①Yourmothertellsmeyou'reworriedaboutwhatyoushouldandshouldn'tdoasaguestinChina.HereissomeadviceoneatingcustomsinChina. You'llprobablybeinvitedtoadinner.Therewillbealotofdishesnotjustthreecourses.Youmayfinditdifficulttousechopsticksifyouhaven'ttriedbefore.It'sagoodideatogetsomepracticebeforehand.Whenthefoodisservedyoushouldwaituntilyou'reinvitedtoeat.Theplateswillbeplacedinthemiddleofthetableforeverybodytoshare.Takealittleofeverythingandthenhavesomemoreofthethingsyoulike. Toprepareabigmealtakesalongtimeandeverythinglooksbeautifulsoit'sagoodtopicofconversation.You'dbetterjoinintheconversationandsayhowmuchyoulikeit. Attheendofthemealyouwillusuallybeservedwithfruit. Ihopethisishelpful.Emailmeifyouhaveanyotherquestions. Yours ZhangDawei 任务一:PuttheunderlinedsentencesintoChinese.将画线的句子译成汉语 72.① 73. 74.HowmanycoursesareusualforadinnerintheWest?. 75.IsitagoodideatotalkaboutfoodduringamealinChina?Why? 76..
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阅读下面的短文用括号内所给词的适当形式填空必要时可加助动词.请将答案填写在文后相应的横线上. Onceuponatimetherewasatravelerwhohadaabighorseandasmalldonkey.Whilehewastravelingthehorseandthedonkeycarriedallkindsofthingson56theybacksforhim.Thebighorsewasverystrongbuthecarriedas57heavyasthesmalldonkey. At58onethedonkeywasabletokeepupwiththebighorse.Butaftersometimehedonkeybegantofeeltootired59keepupanymore.SothedonkeyaskedthehorseBrotherHorsecouldyoupleasehelpme?IamafraidIcan'tgoon60carrymyload负荷物. Noyoucarryyours.Icarry61my.Itisnotmyproblemthatyouarenotasstrongandbigasmeansweredthehorse62feelveryproudthathewas63strong. Notlongafterthatthedonkeyatlast64falldowntothegroundanddied. Their65ownmovedwhatthedonkeycarriedontothebackofthehorse.Nowthehorsehadtocarrythedoubleloadfortherestofthejourneyandheregretted后悔whathedidtothedonkey.IfIhadhelpedthedonkeyoutat66littlehecouldcarrysomething.thehorsesaidto67he.Butitwastoolate. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67.
有下列物质①冰水混合物②氧气③过氧化氢溶液完全分解后所得液体④洁净的空气⑤五氧化二磷⑥高锰酸钾分解的固体剩余物．用序号填空 1属于混合物的有2含有氧分子的有．
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Ayoungwomaninhertwentieswassittingonthetrainnexttohermother.Theybothlookedtiredbut56exciting. Theyoungwoman57lookoutfromthetrain'swindow.SuddenlysheshoutedMomlookthetreesarebehindus!Hervoicewassoloudthateveryoneonthetrain58hear. Momsmiled.Butayoungcouplewhoweresittingnearbylookedattheyoung59womanchildish孩子气的behaviorwithpity.PoorgirlThere60besomethingwrongwithhermind.theythought. Afewminuteslatertheyoungwomanshoutedagain.Momlook!Theclouds61runwithus!Momsmiledagain.Andsheseemedveryhappywithherdaughter'swordsthatshesaidjustnow. 62finalthecouplecouldn'thelp63asktheoldwomanSorryifweoffend冒犯you.Butwhydon'tyoutakeyourdaughtertoagooddoctor? TheoldwomansmiledandsaidActuallywehavejustcomefromahospital. Thenyoushouldgotoa64goodone.Becauseitseemsthatyourdaughter'ssituation状况hasn'timproved.saidoneof65they.Theyfeltsobadfortheoldwoman. NoinfactI'mveryhappywiththetreatment治疗saidthemotherMydaughterwasblindfrombirth.Todaysheisseeingtheworldforthe66onetime. Everysinglepersonhasastory.Don'tjudge判断peoplebeforeyouknowthemwell.The67truemightsurpriseyou. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67.
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请你根据所学知识并结合如图所示装置回答有关问题 1指出标号仪器的名称①． 2用氯酸钾制取氧气的表达式为应选择的发生装置是可以用E装置收集氧气的原因是集满氧气的集气瓶应填“正”或“倒”放在桌面上． 3实验室常用块状大理石与稀盐酸在常温下制取并收集一定量的二氧化碳应选择的发生装置是若用如图收集二氧化碳时气体应从a管口进入则你认为二氧化碳密度比空气．填“大”或“小”或“相等” 4用收集到的氧气和二氧化碳分别完成如图GH所示实验G中集气瓶底部盛有少量水的原因是． 5实验室用过氧化氢溶液和二氧化锰制氧气的表达式为． 某化学小组同学用20%的过氧化氢溶液和二氧化锰并选用B装置来制氧气．实验中同学们发现不能得到平稳的氧气流．大家提出从两个方面改进 一是把发生装置由B中①改成分液漏斗其理由是 二是将过氧化氢溶液加水稀释．溶液的稀释后产生氧气的量将．填“增加”或“减少”或“不变”
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下列事实与对应的解释相符的是
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跳板对运动员的支持力 
弦对箭的推力
熊猫对竹子的拉力 
地球对月球的吸引力
DNA 染色体
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