W:I don't like purple,either. M:Then I don't know how to help you. W:Okay,thank you all the same.I'll go to shop around some- where else. (Text 9) M:Hi,Mary,it's Steve calling.Is this a bad time? W:No,this is fine.I'm just about to put Sara to bed,but she can stay up a while longer while I talk.It's great to hear from you!How are you? M:I'm great.And you? W:I'm well,thanks.I was so surprised to see you in the grocery store the other day.It's so wonderful to hear your voice after all these years.
答案:61.hoping62.made63.covered 64.in 65.has reduced 66.mostly 67.plans 68.successful 69.where 70.what
①从隋唐到两宋,城市的坊市分区制度逐步瓦解。②元朝大都是当时北方最大的经济中心和商品集散地,被外国旅行家誉为“世界最富丽名贵之城”。③19世纪50年代,美国人发明了电梯,随后在城市的楼房住宅中普及。④19世纪末,第一条地铁在伦敦问世,文革时期传入中国。B.2个C.3个D.4个A.1个6.晋商与徽商是明清时期对中国经济产生重要影响的两大商帮。下列属于该时期的经济现象是①大运河缩短航程,漕运和海运发达②出现钱铺等新式金融机构③白银大量流入,长途和大额贸易发展④市镇成为地区贸易网络的中心C.①②④D.①②③A.①③④B.②③④7.中国古代职官既有继承又有发展,下表中的职宫按时间先后顺序排列正确的是①参知政事、三司使、提点刑狱司②太尉、中朝尚书、护鸟桓都尉③文渊阁大学士、礼部尚书、奴儿干都指挥使司④监察御史、军机大臣、直隶总督A.①②③④B.①③②④C.②①③④D.②①④③8.朱之瑜(1600一1682年),号舜水,浙江余姚人。清军南下江南后,他流亡日本并传播儒学,在讲学时提倡“实理实学”,把中国先进的农业、医药、建筑、工艺技术传授给日本人民,为日本的繁荣与进步贡献良多。据此得出的结论中,正确的是A.“实理实学”与黄宗羲等人的“经世致用”思想较为接近B.体现了中华文明向外辐射和传播,促进了宗藩体系的稳定C.日本正处于镰仓幕府统治之下,将军与武士结成主从关系D.同一时期的中国在西学东渐的思想碰撞中“开眼看世界”9.下列所示为中国古代西藏地区的形势图,按其时间先后排列正确的是吐谷深③逻些③④A.③②①④B.②④①③C.③②④①D.③①②④历史试卷第2页共8页
29.(10分)己知玉米为雌雄同株植物,现有糯性绿株(甲)、糯性紫株(乙)和X射线处理的非糯性紫株(丙)。三株玉米进行了杂交实验,结果见下表。其中非糯性与糯性、紫株与绿株分别由基因E()、G(g)控制。亲本杂交组合子代表现型及比例母本父本I糯性绿株(甲)非糯性紫株(丙)糯性绿株:糯性紫株=1:1Ⅱ非糯性紫株(丙)》糯性紫株(乙)非糯性紫株:糯性紫株=1:1非糯性紫株(丙)非糯性紫株(丙)非糯性紫株:糯性紫株:非糯性绿株:糯性绿株=3:3:1:1回答下列问题:(1)乙的基因型为基因E和G互为基因。(2)杂交I的F,和杂交Ⅱ的F,分别作父本和母本进行杂交,产生F,中g基因频率是一。若子代随机交配代,其基因频率和基因型频率都保持不变,则符合定律。(3)经细胞学检查,发现丙植株的载有非糯性基因的染色体缺失,缺失区段不包括非糯性基因。杂交I的F,非糯性和糯性的比例为1:1的原因是。请从甲、乙和丙等材料中选择合适材料用单倍体育种来证明,具体育种过程是(4)请用遗传图解表示杂交I产生子代的过程。(E和表示该基因所在的染色体发生缺失)30.(10分)为了抵抗新冠病毒,许多医药公司生产出相关疫苗。某公司研发的W疫苗在第一次接种后抵抗新冠病毒的有效性较低,至少要到第12天才开始发挥保护作用。临床显示,双剂疫苗的接种效果明显好于单剂(单剂:只注射1次疫苗:双剂:段时间内连续注射2次疫苗)。研究发现该疫苗在大猩猩身上也能得到类似结果。请设计实验验证双剂疫苗接种效果好于单剂。实验材料:实验用大猩猩若干只:用缓冲液X配制的W疫苗:缓冲液X:新冠病毒毒株:注射针筒若干:新冠病毒血清抗体检测试剂:新冠病毒核酸检测试剂:其他相关材料。(要求与说明:注射第一剂与第二剂疫苗的时间间隔以及由于时间延长导致的免疫力改变不作考虑:血清抗体检测试剂以及核酸检测试剂的具体使用方法不作要求)(1)实验思路:①将若干只生理状况相同且的健康大猩猩随机均分为A、B、C三组:②,C组注射等量缓冲液X两次:⑧,并记录数据:④,一段时间后,检测并记录核酸检测呈阳性的大猩猩数量:⑤对上述所得的实验数据进行分析与处理。(2)请设计一张表格用于记录相关实验结果。(3)分析与讨论:①有人建议将多次接种W疫苗的大猩猩的血清抗体分离提取,用来治疗新冠病人。这种免疫方式称为②接种W疫苗12天之后才发挥作用的原因是」③最新研究发现,原来研制的新冠病毒疫苗对新产生的新冠病毒变种的预防效果明显下降,试分析原因:高二生物学科试题第8页(共8页)
停顿00'05”(Text 1)W:Could you help me with something?I'm trying to buy some theatre tickets online,but I can't open the webpage.M:OK.Let's see.Your computer is not actually connected to the Internet.W:Oh,no.Well,I guess we found the problem!(Text 2)M:Good afternoon.I would like to send this package to London.It needs to get there by Friday.Is it possible?W:Sure,regular mail is twelve dollars and registered mail is four dollars more.M:The regular mail is just fine.(Text 3)M:Mum!I can't find my phone.W:You were using it in the kitchen,and you had it in the sitting room when you were watching TV.Have youchecked there?M:Oh,there it is,by the dishwasher.I left it there when I went up to my bedroom.(Text 4)W:My perfect holidays are for doing exciting things like climbing a mountain.That's my favorite.And I likehorse riding,too.What about you,John?M:I prefer waking up in a tent and then going fishing all day.(Text 5)W:The weather forecast says there will be heavy rain heading towards northern and western areas tomorrow.M:And the eastern areas will start off cloudy with a few showers,but by lunchtime there will be clear skies andthe bright weather will last well into the early evening.第一节到此结束。第二节听下面5段对话或独白,每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项。听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。听下面一段对话,回答第6和第7两个小题。现在,你有10秒钟的时间阅读这两个小题。(Text 6)W:What are you playing?Is it chess?M:Not really.It's a better game than chess.Did you play chess with your dad?W:No.I live in Australia with my mom.M:But you have no accent.W:Yeah,I know.We move a lot.M:So that's why.W:Have a good time.Bye!M:Bye!听下面一段对话,回答第8和第9两个小题。现在,你有10秒钟的时间阅读这两个小题。(Text 7)W:Sorry to bother you.I'm cooking but I've got no salt at home.So I'm coming to ask if...M:Of course.Wait a minute...Here you are.W:Thank you.What are you doing there?Writing a new novel?M:No.I'm writing a letter to the government.You know they are discussing a plan to build an airport here.【高三英语·参考答案第2页(共4页)】·23-139C·
school,Omar must do chores and get better grades than the wealthy students.And he's notallowed to join clubs or teams可知,Omar Rising一书的主人公Omar在学校遭受不公正待遇。22.D。理解具体信息。根据The Ice Cream Machine部分中的It's six different stories rolledinto one book.Each story has a very different plot about ice cream Its author,Adam Rubin,hopes the book encourages kids to write可知,Adam Rubin的书The Ice Cream Machine包含六个与冰激凌有关的故事。由此可知,该书为故事集。23.C。理解具体信息。根据Sugar and Spite部分中的Sugar and Spite,by Gail D.Villanueva,finds 12-year-old Jolina newly arrived on an island in the Philippines,Filipino history and cultureare shown in the book可知,Sugar and Spite一书涉及菲律宾的历史和文化。【补充说明】get off one's back不再烦扰某人B篇主题语境:人与自我一一生活与学本文是记叙文。作者是一名大学教授,他讲述了自己跟着一名老师学阿拉伯语的经历及受到的启发。24.C。理解具体信息。根据第三段The awkwardness of the first few lessons gave way to morefamiliarity and comfort.I stopped feeling self-conscious about the fact that I was a teachermyself.I opened up about my own background and my struggles with Arabic可知,作者上了几节阿拉伯语课后开始感到轻松自在,他不再因为自己是一名老师的身份而难为情,开始向老师敞开心扉,逐渐适应了自己也是一名学生的身份。25.B。推断。根据第四段作者老师所说的Don't worry;.|am here to teach you.You are a veryhardworking student and it is my pleasure to help you及第六段中的“You are clever today,”my teacher would often say when I used varied vocabulary or expressions可知,作者的阿拉伯语老师善于鼓励和表扬他。D项中的private意为“不喜欢与他人交流思想感情的”。26.B。理解观点、态度。根据最后一段中的That's when I realized how little I had praised myown students.I thought too much praise made students complacent,,even lazy可知,作者曾经很少表扬自己的学生,因为他怕表扬太多会误导学生,让学生变得自满懒惰。27.A。理解主旨要义。作者是一名大学教授,他刚开始学阿拉伯语时,因为自己是老师的身份而难为情,后来,在阿拉伯语老师的鼓励和表扬下,他适应了自己是一名学生的身份,也开始对学阿拉伯语充满信心。从老师的身上,他学到表扬的重要性,也开始反思自己作为一名老师不足的地方,即吝于表扬学生。最终,他做出改变,在教学过程中尽可能表扬学生。由此可知,A项作为本文的标题最为合适。【补充说明】1.give way to sth..被…代替2.open up直抒胸臆;畅所欲言3.turn the tables扭转形势4.a change of heart改变态度,改变看法(通常指变得更友好、有益等)c篇主题语境:人与自然一一灾害防范本文是记叙文。2011年3月11日,日本遭遇了9.1级大地震,地震随即引发了海啸。文章讲述了水暖工Kenichi Kurosawa在海啸中紧抱一棵松树幸存下来的经历。28.A。理解具体信息。根据第二段中的He called his wife,who was sheltering in a bank,andtold her to meet him at their home可知,Kurosawa给妻子打电话,让她回家等他。
第10期高一英语上学期期中综合能力评估试题(二)参考答案及部分解析参考答案1-5 BCACA6-10 CBBAC11-15 BBACA16-20 CABCA21-25 CDCCB26-30 BAACA31-35 DCCBB36-40 EFDGC41-45 BADBC46-50 DBDAA51-55 CADCB56.of 57.began58.to develop 59.as60.plans 61.mainly62.excited 63.teaching64.wh065.us写作第一节One possible version:Dear Eric,I've created a short video titled "Care for Our Planet"and I'd like to invite you to watch itonline.The video is intended to show the present environmental problems our planet faces and encouragepeople to protect it.Lasting for about half an hour,the video shows big environmental changes onour planet in the past years.I know you've created many wonderful short videos,and I hope youcan give me some advice so I can make my video more eye-catching and educational.Looking forward to your reply.Yours,Li Hua第二节One possible version:It was mid-game and I saw the ball making its way toward me and went for it.A boy namedRichard had the ball.I ran up and kicked it through his legs.I could hear all of my teammatesshouting my name in excitement.But before I knew it,I was flat on my face,grass in my eyes andup my nose.The boy had tripped me.I couldn't believe it.I was lying on the ground and heard Margaret calling out worriedly,"Are you okay?Are youokay?"I opened my eyes and saw Margaret standing above me.Then she turned to the boy.“What were you thinking?This is my best friend!”she said.“I'm sorry,”the boy replied..“Ididn't mean it."I was very moved when I heard the words "best friend."Margaret smiled andreached out her hand.She was ready to help me up.From then on,I knew who my best friend was部分解析阅读第一节A篇
必修二Unit3综合检测题参考答案及部分解析参考答案1-5 CACBA6-10 BCAAB11-15 CBBAC16-20 CBBCA21-25 DAABB 26-30 DABBC31-35 DCDCC 36-40 ECBDF41-45 ACDBB 46-50 DDCAB51-55 DCBCA56.the57.to enjoy58.who59.sounds60.joining61.completely62.competitors63.my64.than65.traditional写作第一节One possible version:To enrich the students'campus life and show their talents,the annual Cultural and Art Festivalwas held successfully in the school hall last Saturday.All the teachers and students took part inthe festival.At 9 a.m.,the grand opening ceremony of the festival began with a short speech by ourheadmaster.Then each class gave their wonderful performances in turn,such as singing anddancing,instrumental performance,English short drama,poetry recitation,etc.The festival was a great success and was highly praised by our teachers and students.Nowthey're all looking forward to the festival next year.第二节One possible version:Milly smiled,"Would you like to climb my tree?"Lily climbed up the tree to join Milly.From thetop,they could see the green park,the busy streets,the library,and the town,all spread outbelow them like a picture."Wow!"breathed Lily."There's a whole world out there,"said Milly"There's a whole world in here too,cried out Lily,pulling a book from her bag."You'll see!"Andso,all summer long,Milly took Lily exploring the park,the streets,and the town.It was fun!Lily took Milly on adventures too.Milly decided that books weren't boring after all.They weregreat!And what was extra special was doing everything together!"There goes Library Lily,"people began to say."With her best friend Milly.""What shall we do when we grow up?"saidLily to her best friend one day."Be explorers!"said Milly.So that's exactly what they did.Andwhen they came home,Lily wrote down all their adventures...in the most magical,amazing,perfect book:The adventures of Lily and Milly.部分解析阅读第一节A篇主题语境:人与社会一一艺术本文是应用文。文章是一则面设计大赛通知。2l.D。理解具体信息。根据The Prize部分中的Travel to the International Conference on
高二物理110B答案.pdf文件预览1/2高二物理试卷参考答案1.C2.A3.C4.D5.A6.C7.B8.A9.AD10.BC11.AC12.AB13.逐渐增大(2分)不变(2分)等于(2分)14.(1)2.095(2分,2.094~2.097均正确)(2)左端(2分)(3)1380(2分)(4)R40(3分)15.解:(1)由于灯泡正常发光,可知其路端电压为U=3V(1分)则电源的内电压为U,=E-U=4V-3V=1V(1分)故流过电源的电流为1=号=击A=2A。2分)(2)流过灯泡的电流为1是=1A1分)则流过电动机的电流为I=I-11=2A一1A=1A(1分)电动机的输入功率PM=IM XUM=3W(1分)电动机的发热功率为P熟=I2R=12×0.5W=0.5W(1分)电动机的输出功率为P出=PM一P热=3W-0.5W=2.5W。(2分)16.解:(1)根据几何关系可知AC=2a(1分)根据库仑定律结合电场强度定义式可知,固定在A点的点电荷在C点产生的电场强度的大小E=怒(2分)解得E=器。2分)(2)根据题意可知,C点的电场强度方向行于AB向右(1分)根据矢量合成的知识可知,固定在A点的点电荷在C点产生的电场强度E2方向竖直向下(2分)根据几何关系可知4309cos 3(2分)解得E=BQ8a2,(2分)17.解:(1)质子在电场中做类抛运动,设质子的初始速度为,根据运动学公式有L=6t(2分)将质子出电场时的速度分解,根据几何关系有w=cos0(2分)解得u=t。(2分)(2)质子在电场中沿着电场线方向的分运动为匀变速直线运动,则【◆高二物理·参考答案第1页(共2页)◆】%=at(1分)
A.通过以上分析知,c点没有达到衡状态,故A错误:B.a点时反应达到衡,NO2的转化率为40%,则2C(s)+2NO2(g)=N2(g)+2CO2(g)开始/mol200变化mol0.80.40.8衡/mol1.20.40.8b点时反应达到衡,NO2的转化率为80%,则2C(s)+2NO2(g)=N2(g)+2C02(g)开始/mol200变化mol1.60.81.6衡/mol0.40.81.6由以上三段式可知,a点时容器内气体的物质的量为2.4mol,b点时容器内气体的物质的量为2.8mol,又V1
©⊙所名校高考模拟金典卷·物理(五)(60分钟110分)考生须知:1.本卷侧重:高考评价体系之综合性。2.本卷怎么考:①考查物耀知识的蜂合痘用能方(21):②考查综合实验技能(题23);③考查物理规律的绿合应用龍力(题25)。3.本卷典型情境题:题15、18、23、25。4木卷测试内容:高考全部范国。密第I卷(选择题共48分)一、选择题:本题共8小题,每小题6分。在每小题给出的四个选项中,第14~18题只有一项符合题目要求,第19~21题有多项符合题目要求。全部选对的得6分,选对但不全的得3分,有选错的得0分。14.关于静电场,下列说法正确的是A电势越高处,电场强度越大B.电场强度越大处,电场线越密C.电势差越大,电势越高D.电荷移动距离越大,电场力做功越多15.如图所示,水路面上有一辆质量为M的货车,车厢中有一质量为的人正用大小为F的恒力向前推车厢,在货线车以大小为a的加速度沿直线向前减速行驶距离L的过程中,车对人做A.一FLB.maLC.-maL下-fmoD.(F-ma)L33【23新教材老高考·D:物理
4B高铁以容运为主,人员流动量大,交通便利,适合发展商务活动。5.A6.C根据表格数据可知,一般城市规模越小,高铁站距离城市中心越远。机场一般位于城市外缘,高铁站靠近机场,主要是远离市区,减轻城市交通拥堵,降低噪音等。?A中缅油气管道沿线地区位于板块交界处,地壳运动活跃,地质构造复杂,山地众多,地形起伏大,因此单位里程造价高。&.D中缅油气管道的油气资源来源于西亚地区,通过管道运输直接进人我国西南地区,对缅甸的能源结构和产业结构几乎没有影响;中缅油气管道是我国第四大能源进口通道,可以增加我国能源进口多元化,缓解我国能源供需矛盾,保障我国能源安全:中缅油气管道运输石油和天然气,石油不是清洁能源,不会解决我国大气污染。9.B当地气候较为干旱,和若铁路沿线沙漠广布,配套建设防沙障可以防止风沙掩埋铁路线,保证线路正常运行。10,B玉龙喀什河主要补给水源是高山冰雪融水,夏季补给量大,河流有汛期,不利于桥墩施工,进行混凝士浇筑时应避开夏季。11.A和若铁路通车后,和田可直接通过该铁路出疆,不必绕行喀什,出疆路程将大大缩短;和若铁路通车后对沿线地区产业转型意义不大;和若铁路位于南疆地区,通车后将加速南疆脱贫致富;和若铁路通车后将融入陆上丝绸之路。12(1)中欧班列西线通道沿线地区气候相对比较温暖,受冻土影响较小:低温、暴雪等恶劣天气较少:经过国家多,市场广阔,利于经贸发展;基础设施较好,维护方便。(4分)(2)我国政策大力支持,沿线国家积极合作;中欧班列西线通道运距短、运量大、安全快捷、绿色环保、受自然环境影响小;中欧班列西线通道物流组织日趋成熟,沿线国家经贸交往活跃;我国是制造业大国,欧洲相关产品市场需求大。(6分)(3)加强国家间的沟通和交流,统筹安排,提高运输效率;加强沿线基础设施建设,提高服务水;提供优惠的政策:积极发展商贸联系,保障充足的货源。(4分)13.(1)缓解城市交通拥堵:改善城市环境质量;为港口产业的快速增长提供较充足的土地资源等。(3分)(2)我国国内光缆企业众多,竞争激烈:我国政策支持企业“走出去”;我国生产光缆的技术相对厄瓜多尔先进。资金充足;杜兰市交通便利;杜兰市土地成本和劳动力成本较我国低:厄瓜多尔及美洲市场广阔等。(6分)(3)提供就业机会,带动相关产业发展,促进当地经济发展;促进厄瓜多尔产业升级;培养科技人才:提高区域竞争力等。(4分)地理(九)