64567891011121314151617181920乙(1)在做步骤①时，如果打点计时器打出的纸带上的点间隔逐渐变大，应适当(选填“增大”或“诚小”)砂桶中砂的质量(2)对于该实验方案，下列说法正确的是A.调节定滑轮的高度，使牵引小车的细线与长木板保持行B.测节力传感器的位置，使动滑轮两侧的细线保持竖直C,实验时，先释放小车再接通打点计时器的电源D.实验过程中一定要保持砂和砂桶的质量远小于小车的质量E,实验中需要把带定滑轮的长木板左端垫高来衡摩擦力(3)图乙为某次实验时打出的一条纸带，图中相邻计数点间还有4个点未画出，打点计时器所接的交流电的频率为f一50Hz,则小车运动的加速度大小a=m/s(结果保留两位有效数字)。(4)若某次实验时力传感器的示数为F,则小车所受合外力的大小为(用题目中给出的字母表示)。14.(8分)某同学用气垫导轨验证动量守恒定律，实验装置如图甲所示。4、b两滑块用细线连接，a、b两滑块间放置有一压缩的轻弹簧，a、b两滑块上分别装有相同的挡光片，a、b两滑块的质量（包括挡光片）分别为m1、m2。光电门引挡光片挡光片光电门223(cm)气垫导轨10甲乙(1)实验前用游标卡尺测出挡光片的宽度d,示数如图乙所示，则dmm.(2)接通气源，调节气垫导轨下面的螺钉，当滑块放在气垫导轨上任一处均能处于,则气垫导轨调节水。将α、b两滑块按如图甲所示放置，剪断细线，a、b两滑块通过光电门1,2时的挡光时间分别为61、妇，则当表达式(用已知和测量的物理量符号表示)成立，则可验证a、b两滑块作用过程中动量守恒。实验表明，弹簧开始被压缩时具有的弹性势能大小为(用已知和测量的物理量符号表示)15.(9分)如图所示，足够长、倾角0一37的光滑斜面体固定在光滑水面上，A点为斜面体的底端，质量为1kg的物块静止在水面上的P点，P点到A点的距离为1.2m,给物块施加一个水向右、大小为5N的恒定拉力F,忽略物块经过A点时因碰撞产11物理试题第5页（共8页）
D,花生种子萌发过程巾，脂防转变为可溶性糖，与细胞内糖类的氧化速率比脂肪快有关27.(不定项)1970年，Margulis在已有的资料基础上提出了一种假说。假说认为，真核细胞的祖先是一种体积较大、具有存噬能力的细胞。线粒体的祖先则是一种细菌，具备有氧呼吸的能力。当这种细菌被原始真核细胞吞噬后，与宿主细胞形成互利的共生关系：原始真核细胞利用这种细南获得更多的能量：而这种细菌则从宿主细胞获得更适宜的生存环境。下列说法正确的是()A线粒体含有DNA、具有双层膜等特点可以作为支持上述假说的证据B根据该假说推测，线粒体可以通过分裂使自身数口增多C根据该假说推测，线粒体具有与细菌相似的环状DNAD线粒体的内膜与真核细胞膜的成分和性质相似，可以作为支持上述假说的证据28.(不定项)某五十肽中共行4个丙氨酸(R基为一CH3)(相应位置如图)，现悦掉其中的丙氨酸得到一些水解产物（脱下的氨基酸均以游离态存在）。下列叙述错误的是（)0752表示丙氨酸A该五十肽水解产物中的多肽链比原米增加了8个氧原子B.新生成的4条多肽链含有4个游离的羧基C该五十肽水解严物将无法和双缩脲试剂反应D若将得到的5个氨基酸缩合成一条肽链，则有5种不同的氨基酸序列29.(不定项)经测定，某条肽链其分了式是C2 HxOyN.S2。己知该肽链是出由下列氨基骏中的儿种为原料合成的，苯丙氨酸(CgH1O2N)、天冬氨酸(C4HO4N、丙氨酸(C3H7ON)、亮氨酸(C6H13O2N)、半胱氨酸(C3HONS)。下列有关该多掀链的叙述，错误的是()A.该肽链是三肽化合物B水解后能产生3种氨基酸C氢原子数和筑原子数分别是30和5D.在核糖体上形成时相对分子质量减少了5430.(不定项)棉花纤维由纤维细胞形城。蔗糖经膜蛋白SUT转运进人纤维细胞后逐渐积累，在纤维细胞的加厚期被大量水解后参与纤缍素的合成。研究人贞用普通棉花品系培育了UT表达水高的品系F,检测两品系梢株开花后纤维细胞中的蔗糖含量，结果如右图所示。下列说法错误的是()201510乙0069121518开花后天数（天）A纤维素的基本组成单位是葡萄糖和果糖B.曲线叩表示品系F纤维细胞巾的蔗糖含量C.15~18天曲线乙下降的主要原因是蔗糖被水解后参与纤维萦的合成D.提高SUT的表达水会使纤维细胞加厚期延后
高三第一轮复周测卷·语文（二十）新高考-R-必考-FJ·A的大宗商品，波斯人采用萨珊传统纺织方式进行再加工，赋予中国丝绸新的活力。在中亚，索格底亚那的商人精通丝绸贸易，公元4世纪时，我国长安等地聚集着不少以经营丝绸为主的索格底亚那商人。为了争夺对中国丝绸贸易之利，公元571年，拜占庭联合突厥与波斯发生了一场长达20年之久的“丝绸之战”。公元5世纪前后，我国茶叶通过陆地和海上“丝绸之路”陆续传入南亚、中亚、西亚，15世纪一经传入即迅速风靡整个欧洲。茶叶贸易使沿线国家的贸易收入大幅增加，带动了沿线经济的繁荣及相关行业的突飞猛进，转口贸易也随之长足发展。茶叶改变了中世纪欧洲人的生活方式，茶叶贸易影响了中世纪欧洲的资本和经济体系。17世纪以前，中亚人和欧洲人日常使用的器皿主要是陶器、木器和金银器。随着中国瓷器的大量输入，西方不仅出现了一股“中国热”，而且掀起了一场日用品革命，欧洲制瓷业兴起，传统
18.(14分)镍因其优异的性能广泛应用于军工制造和汽车电池领域，是一种战略资源，与镍有关的信息如下：I.芒德法提炼镍过程（杂质未标出）：空气H2CO↓↓↓疏镍矿NiS)→焙烧I NiO粗镍」还原络合N(CO)4气体加热→纯镍烟气矿渣coⅡ.二价镍的检验和分离(Y为红色沉淀)：O一HO一H…OH:CNCH3Ni2+2+2H+H3CCH3O一HO…H一OXY.碳性受迪生经快电池工作原理：e+2N0(O)+2,0器Re(0H,+2(OH。据此回答下列问题：(1)基态镍原子的价层电子排布式为(2)【中生的“烟气”可用氯化铁溶液吸收，请写出该吸收反应的离子方式：(3)沸点为43℃的Ni(C0),属于(填晶体类型)品体；1 mol Ni(C0),中含有o键数为(4)Ⅱ用到的丁二酮肟(X)中氨原子的价层电子对数为」;Y分子内存在的相互作用力为；Y中配体用氮原子而不用氧原子配位的原因是(5)Ⅲ中爱迪生电池放电时正极的电极反应式为OCu(6)用于古币制造的一种铜镍合金（白铜）晶胞如右：●，该物质的化学式为;元素铜与镍的第二电离能分别为：Ic=1959kJ/mol,Ix:=1753kJ/mol,Ic>Ix的原因是宣城市高二化学试卷第6页（共8页）
27.图1中C→B→A沿线体现的地域分异规律及主导因素是A.纬度地带性分异规律热量B经度地带性分异规律水分C,垂直地域分异规律热量和水分D.非地带性分异规律洋流【答案】B【解析】C→B→A沿线由内陆到沿海，降水越来越多，沿线自然带由荒漠→草原→森林过渡，体现的地域分异规律为经度地带性分异规律，主导因素是水分。28.阿尔卑斯山脉北坡雪线较南坡低的原因有①北坡较缓；为西风的迎风坡，降水多②南坡较陡；为背风坡，降水少③北坡较陡；为西风的迎风坡，降水多④南坡较缓；为背风坡，降水少A.①②B.③④装C.①④D.②③：)案答【答案】A【解析】阿尔卑斯山脉北坡为盛行西风的迎风坡，降水较多，积雪量较大，坡度较缓，积雪不易滑落；南坡较陡，为盛行西风的背风坡，降水少，所以北坡雪线较南坡低。北京某中学地理研学小组在暑假期间从北京出发一路向西，经五原至玉门关进行野外考察。图1为我国局部地区示意图，图2为考察小组成员沿途拍摄的景观图片。据此完成29~30题。100°1150%。玉门关五原北京心西安·309图1图229.图2中甲到丙自然景观变化的主要原因是A.从东向西降水增多B.从东向西降水减少C.从东向西气温升高D.从东向西海拔增加【答案】B【解析】图2中甲到丙由于降水量逐渐减少，自然景观出现了由森林到草原、再到荒漠的演变，体现了经度地带性分异规律。30.经过五原和玉门关时，同学们联想到了有关诗句：①“五原春色旧来迟，二月垂杨未挂丝。即今河畔冰开日，正是长安（今西安）花落时”；②“羌笛何须怨杨柳，春风不度玉门关”。上述诗句分别反映的地域分异规律是A.①一纬度地带性分异规律，②一非地带性分异规律B.①一垂直地域分异规律，②一纬度地带性分异规律C.①一经度地带性分异规律，②一非地带性分异规律D.①一纬度地带性分异规律，②一经度地带性分异规律【答案】D【解析】①“五原春色旧来迟，二月垂杨未挂丝。即今河畔冰开日，正是长安花落时”，对比五原和西安，两地纬度不同，热量不同，符合纬度地带性分异规律；②“羌笛何须怨杨柳，春风不度玉门关”指当地离海洋远，夏季风不易到达，气候干旱，符合经度地带性分异规律。二、非选择题：本题共2小题，共40分。31.阅读图文材料，完成下列要求。(20分)非洲西部地区濒临几内亚湾和大西洋，因受小尺度环境要素影响，自然带表现出特殊的分异现象。如图示意非洲西部地区自然带分布。·31e·
四(D )55.What can we learn from the reading?四I阅读A.Chen Dong is the oldest of the three(B )62.Li Lei readastronauts.about the WeifangB.The astronauts will return to the earth阅读International Kitein November.Festival online.He解C.Liu Yang visited space in Shenzhou-11解wanted to knowfor the first time.more about it.D.Shenzhou-15 will be launched beforeShenzhou-14 comes back.ggptures likes and eat四B四阅(C)56.Xu Cong is giving a speech with the阅(D)63.Peter'shelp ofChinese friendDuing the e譯A.a written textB.some deaf people理解invited him tor AoC.a useful technology D.a televisiondrink tea last weeknds of tea in Cheen tea(A)57.The underlined word“adopting'”After that,Petermeans”in English.became interestedunnSo if voA.usingB.refusingin Chinese tea.haC.guidingD.inventing(B)58.What does the i-Clear SIM Card help四deaf people do?四A.Watch TV.B.Make a phone call.阅C.Join in online meetings.阅读D.Give a speech.(C)59.What challenges is the speech-to-text(A )64.Li Mingwatched a videokittechnology facing now?理about Yuhang oil解1There are too many different dialects2The final written words are not easy topaper umbrellasonline and showed aunderstand.strong interest in3Sign language can't always bethem.translated into text correctly.A.①②B.②③C.①③D.①②③四四(D )60.What is the best title for the passage?阅IA.Deaf people's daily lifeB.China's tech companies(G)65.Nancy islearning Chinese耀C.The development of technology理paper cuttingD.A new technology for deaf peoplethese days,butf teashe finds it'shard to do it well.四请阅读下面这篇文章，在所给的每个空格中I栏中描述了五个人经历过或想要了解的事物，Ⅱ栏中是五填入一个形式正确、意义相符的单词。对七种事物的介绍。请从Ⅱ栏中为I栏中的五人选出其最感兴趣的一项。Have you ever seen someone blow sugaranfigurines(糖人)？It's a form of traditionale the(E)61.Jane文Chinese folk art(66)witha history of理traveled in Yunnan,ondcocrhthover 600 years.Do you know (67)howSouthwest Chinalast month.Shecan read the b空to blow a sugar figurine?Xiong Chuanfa,a figurine maker fromfound manyat fJiangxi,,can show you the process..Syrup(糖浆)restaurants thereis the most important material for sugarsold rice noodles.figurines.aperand cat9
B.完成句子。Self Check同词汇串烧Have you ever asked people to show you the步3.It's impolite to talk with your mouth fullnearest restroom but the speakers couldn't give(polite)you the correct information?Have you ever made练an urgent(紧急的)request politely for going to the4.The teachers welcome their students politelyrestroom in a restaurant but ended up waiting in(polite)at the school gate every morning.line?Now,with smart restrooms,you don't have toask people for public restrooms'directions orspend a long time waiting in line.There is a smart restroom in centralg基I,用括号中所给单词的正确形式填空。Nanchang,Jiangxi Province.At the entrance(1.We should say“thank you”politely(polite)▣)，a screen shows the number of toilets and how础when others help us.many of them are available.Beside the washing2.The shop makes cakes at different buyers'basin(洗手池)，there's another smart machine,requests (request).which can give paper to whom it scans(扫描).训3.English speakers (speak)from the US,the UK,What if no toilets are available in theAustralia,and South Africa all have differentrestroom but you are in a rush?Now with a mobile练accents(▣音).4.There should be someone to whomphone app,you can find out the address of the(who)you can turn for advice.nearest restroom that has toilets available.5.I watched them leave and then drove off in theopposite direction(direct).Ⅱ.根据汉语意思完成句子，每空词数不限。语法选择1.背对着和你说话的人是不礼貌的。Saying“no”can be difficult.You mightIt's impolite toturn your backworry about what others will think of you.Or youon someone who is speaking to you.might not want to make people upset.However,it2.如果你身处困境，一定不要害怕求助。can be 1 way to save your time sometimes.Now,If you are in difficulty,never be afraid tolet's learn to say“n02 in some situations.ask for helpSituation 1:3.玛丽太累了，她拒绝了朋友的聊天请求。When your teacher asks,"Do you haveMary was so tired that she refused her friend's①）1.A.g0odB.betterrequest fora talk.C.the better D.the best(B )2.A.polite B.politelyC.impolite D.impolitelyquestions?",you can say,"No,I do not have any,4.为了引入第三课，格林先生讲了一个故事。because3 lesson is very clear."This creates aTolead intothe thirdbetter relationship 4 you two.There is alsolesson,Mr.Green told a story.another answer-"Not now,but I might have5.明日能否出发，须视天气而定。some later while doing the homework."It's polite,Whether or not we can start off tomorrow willtoo.And it tells others that perhaps you 5depend onthe weather.questions on the subject later.Situation 2:(C)3.A.yoursB.youC.yourD.yourselves(A )4.A.betweenB.withC.fromD.through(D 5.A.askedB.were askingC.have askedD.will askIⅢl.阅读Section B的2b部分，完成下面的思维导图"Would you like more coffee?"is a common每空词数不限。question when you are in a restaurant.If you don'tneed it,you can just say,"No,thanks."Also,it'sAsk for help (1)politelygood 6 something else by saying "No,thanks,butI would like some water."Use different ways of speaking in.Polite questions are(4)longer(2different situationsCould you please.?More difficult situations:.It's OK to ask your classmatesMay I ask.Saying“no”to_7 for help from friends may(3)direct questions(5)Lead into a request:.Use polite questions while talkingExcuse me,I wonder if.be more difficult.In this situation,being honest isto your teachers.I'm sorry to trouble you,but.(D 6.A.orderB.orderedIt might seem(6)difficult to speak in a polite way.But the use ofC.orderingD.to orderrightanguage will be helpful when you communicate with others.(C 7.A.requestB.request'sC.requestsD.requests3
21.(本小题满分12分)已知A(=1,0),B是圆F:x2-2x十y2-15=0上的任意一点，线段AB的垂直分线交BF于点P.(1)求动点P的轨迹C的方程；(2)设PA,PF交轨迹C于另两点D,E.记△PAF和△PDE的面积分别为S,S求受的取值范围，出小中日白，个圆小#，盟心共4服别出，性5哈，代料1每音，位爵加板出溶全，您重目国合带途有山用N,一中，后拉金中电a帝项湖寻出可可入中中等的面度重山紧跟谢老师
(2)令g(x)=fx)-入=0，则f(x)=A;f'(x)==4(2-2+m)-(2x-2(8-4知(x2-2x+m)2(5分)）=二4m,+16=0,解得m=4,…m2(6分)8-4x所以0)=-2x+4故函数f代x)的定义域为R,f'()=二4(x-2x+4)(2x-2)(8-4-4(x2-4x)=4(x-4)(-2x+4)2(2-2x+4)2…(7分)(x2-2x+4)2令f’(x)=0,解得x=0或x=4;…(8分)故当x∈(-0,0)时f'(x)>0,当xe(0,4)时，f'(x)
省六校高三期初考数学f试卷答案)
