2015-2016学年高二上学期期中模拟测试
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广华中学2015-2016学年度上学期期中考试高二年级1-2班化学试卷命卷人:裴小花审核人:曹军亭试卷满分:100分考试用时间:90分钟可能用到的相对原子质量:H-1 C-12 N-14 O-16 Na-23 S-32 P-31Mg-24 Ca-40 Fe-56 Cu-64 Al-27一、选择题(单选,每题三分)1、化学实验操作中必须十分重视安全问题。
下列处理方法不正确的是A.不慎打翻燃着的酒精灯,立即用湿抹布盖灭B.金属钠着火时,立即用泡沫灭火器进行灭火C.给盛有液体的试管加热时,要不断移动试管或加入碎瓷片D.浓碱液滴在皮肤上,立即用大量水冲洗,然后涂上硼酸溶液2、有些古文或谚语包含了丰富的化学知识,下列解释不正确的是3、下列说法正确的是A.用钢瓶储存液氯或浓硫酸B.通过灼热的铜网以除去H2中混有的O2C.Cu与浓硫酸反应终止后,冷却,向试管中加适量蒸馏水以观察水合铜离子的颜色D.pH小于7的雨水即为酸雨4、某化学兴趣小组同学对有关物质的分类进行讨论辨析:①生铁、氯水都属于混合物②AlCl3溶液、蛋白质溶液都属于溶液③SiO2、CO都属于酸性氧化物④含氢原子的盐不一定属于酸式盐。
上述说法中正确的是A.①②B.①④C.②③D.③④5、用下列实验装置进行相应实验,能达到实验目的的是A.用图1所示装置除去Cl2中含有的少量HClB.用图2所示装置蒸干NH4Cl饱和溶液制备NH4Cl晶体C.用图3所示装置制取少量纯净的CO2气体D.用图4所示装置分离CCl4萃取碘水后已分层的有机层和水层6、用NA表示阿伏加德罗常数,下列叙述正确的是A .100g 质量分数是98 %的浓硫酸中所含氧原子数为4NAB .标况下33.6mL 氯气通入足量水中发生反应,转移电子数为1.5×10-3NAC .常温常压下,5.6g 乙烯与丁烯的混合物中含有的氢原子数目为0.8 NAD .同温下, pH =1体积为1L 的硫酸溶液所含氢离子数与pH =13体积为1L 的氢氧化钠溶液所含氢氧根离子数均为0.1NA 7、有机物的同分异构体中,含有苯环且苯环上一氯取代物只有一种的结构共有(不考虑立体异构)A .5种B .4种C .3种D .2种8下列判断正确的是A .K +、AlO 2-和SiO 32-一定存在于溶液X 中 B .HCO 3-和SO 42-一定不存在于溶液X 中 C .沉淀甲是硅酸和硅酸镁的混合物 D .溶液中一定存在大量CO 32- 10、下列两种气体的分子数一定不相等的是( )A .质量相等密度不等的N 2和C 2H 4 B.等体积等密度的CO 和C 2H 4 C .等温、等压,等体积的O 2和N 2 D.常温常压下,等质量的NO 和CO11、A 、B 、C 、D 有如图所示转化关系:,则A 、D 可能是①C 、O 2 ② Na 、O 2 ③NaOH 、CO 2 ④S 、O 2 ⑤Fe 、Cl 2A .①②③B .④⑤C .①②④D .①②③⑤12、中国女科学家屠呦呦因为发现青蒿素获颁诺贝尔医学奖。
2015—2016学年上学期高二期中考试生物学试题1.利用酵母菌发酵生产酒精时,投放的相宜原料和在产生酒精阶段要限制的必要条件分别是A.玉米粉和有氧 B.大豆粉和有氧C.玉米粉和无氧 D.大豆粉和无氧2.在制作馒头时,可采纳小苏打或者通过酵母菌发酵的方法使馒头松软,请问这两种方法中,馒头中的养分和所含有的能量状况相比较最可能的是A.后者所含养分丰富、能量少 B.后者所含养分单一、能量少C.前者所含养分丰富、能量少 D.两者所含养分和能量相同3.加酶洗衣粉能够除去衣物上的奶渍和血渍,主要是因为它含有A.脂肪酶B.蛋白酶 C.淀粉酶D.氧化酶4.在用水蒸气蒸馏法制取玫瑰乳浊液提纯过程中,先后运用NaCl、无水Na2SO4,其作用分别是A.分层、吸水B.溶解、吸水 C.吸水、分层 D.分层、萃取5.下列有关果酒、果醋和腐乳制作的叙述,正确的是( )A.参加果酒发酵和果醋发酵的微生物都含有线粒体B.果酒制成后只需将装置转移至温度较高的环境中即可制作果醋C.在腐乳制作过程中起作用的主要是毛霉D.在腐乳装瓶时自下而上随层数的增加渐渐削减盐量6.下列说法正确的是( )A. 食醋制作一般程序是先生成乙醇,再将乙醇转化成乙酸B. 泡菜发酵过程中,会产生多种酸,其中主要是亚硝酸,还有少量的乳酸C. 对亚硝酸盐的定量测定可以用天平称量法D. 亚硝酸盐与对氨基苯磺酸的反应产物能与N-1-萘基乙二胺偶联成橘黄色化合物7.下列有关生物技术实践的叙述,不正确的是( )A.制作果酒时瓶口密闭,而制作果醋时中断通氧可能会引起醋酸菌死亡B.制作腐乳时,加盐腌制可使豆腐块变硬且能抑制杂菌生长C.变酸的酒表面的菌膜是醋酸菌大量繁殖形成的D.用传统的发酵技术制葡萄酒必需添加酵母菌菌种8.消毒和灭菌是两个不同的概念,灭菌是指彻底杀灭微生物使其恒久丢失生长繁殖的实力。
消毒仅指杀死一部分对人体有害的病原菌而对被消毒的物体基本无害。
下列哪些事物适用于消毒处理( )①皮肤②饮用水③牛奶④注射器⑤培育皿⑥接种环⑦培育基⑧果汁⑨酱油⑩手术刀A.①②③⑧⑨B.④⑤⑥⑦⑩C.①②③④⑤⑥⑧D.以上全部9.下列关于大肠杆菌的培育中,叙述不正确的是( )A.在大肠杆菌培育过程中,除考虑养分条件外,还要考虑pH、温度和渗透压等条件B.在微生物培育操作过程中,为防止杂菌污染,需对培育基和培育皿进行消毒C.若用稀释涂布平板法计数大肠杆菌活菌的个数,要想使所得估计值更接近实际值,除应严格操作、多次重复外,还应保证待测样品稀释的稀释度D.运用过的培育基与其培育物必需经过灭菌处理后才能丢弃10.如图是微生物平板划线示意图,划线的依次为12345。
瑞安中学2015学年第一学期高二期中考试英语试卷命题者:宋丽珍杨丽珍审题者:高二备课组注意事项:第I卷请用2B铅笔作答,将答案填涂在答题卡上;第II卷请用黑色墨水签字笔作答,将答案写在答卷纸上。
第I卷(共98分)第一部分:听力(共两节,满分30分)第一节听下面5 段对话。
每段对话后有一个小题,从题中所给的A、B、C 三个选项中选出最佳选项,并标在试卷的相应位置。
听完每段对话后,你都有10 秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
1. Where does the conversation take place?A. In a café.B. In a plane.C. In a car.2. What was the weather like yesterday?A. Rainy.B. Sunny.C. Cloudy.3. What does the woman dislike about the book?A. The characters.B. The story.C. The words.4. Why is the man going to the bike shop?A. To get a new bike.B. To buy a bike lock.C. To have his bike fixed.5. What needs repair?A. The air conditioner.B. The man’s car.C. The stairs.第二节听下面5 段对话或独白。
每段对话或独白后有2 至4 个小题,从题中所给的A、B、C 三个选项中选出最佳选项,并标在试卷的相应位置。
听每段对话或独白前,你将有5 秒钟的时间阅读各个小题;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 题。
6. What are the speakers going to do this weekend?A. Relax at home.B. Go to the beach.C. Do the housework.7. What is the relationship between the speakers?A. Brother and sister.B. Husband and wife.C. Father and daughter.听下面一段对话,回答第8 和第9 题。
湖北省汉川二中2015-2016学年上学期高二期中考试语文试卷说明:满分为150分, 考试时间150分钟。
请把答案写在答题纸的相应位置。
一、基础知识题(15分,每题3分)1.下列词语中打下划线的字,读音全部正确的一组是()A.埋怨(mái)亲戚(qì)乘辇(niǎn)戕害(qiāng)B.罪愆(qiān)谄媚(chǎn)印玺(xǐ)纤夫(qiàn)C.贿赂(lù)汤镬(huò)伺候(sì)擂鼓(léi)D.袒露(lù)绸缪(móu)憎恶(zèng) 旄节(máo)2.下列词语书写完全正确的一项是()A.自诩残羹星罗旗布丁是丁,卯是卯B.孕育摆擂台山青水秀鹬蚌相争,渔翁得利C.度日像形字闻过饰非鞠躬尽悴,死而后已D.拓本渑池繁文缛节驽马十驾,功在不舍3.下列各句中打下划线的成语,使用恰当的一句是()A. 广电总局司长才华认为电视剧《金婚》赋予了白头偕老新的内涵,它既不是我们历史上的举案齐眉,也不是现在的不合适就散伙,而是非常的坚持。
B. 如果一个人行走在空旷的能容纳九万多观众的“鸟巢”内部,其脚步声就像空谷足音一样清晰响亮。
C. iPhone6最令人不齿的就是“掉漆门”,为了应对这一情况,几乎每一个配件厂商都处心积虑,寻找对策。
D. 政府严格限制房地产开发商内部认购以及预售房私下转让,但是,个别开发商依然我行我素,暗中违规操作,这是令行禁止的。
4.下列各句中,没有语病的一句是()A.近几年,特别是今年以来,住房销售价格持续上涨,主要原因是包括需求增长快、住宅供应偏紧、土地开发建设成本提高和市场预期过高等导致的。
B.刘雪荣市长的工作报告,不仅全面总结了改革开放30年来我市医疗卫生事业不断改革发展和完善,而且指明了构建我市医疗卫生保障体系的方向。
C.10月27日在黄冈市遗爱湖畔举行了大型诗歌朗诵会,卢奇、谢芳等众多著名表演艺术家炉火纯青的朗诵艺术,使在场的观众热血沸腾,深受震撼。
2015-2016学年度上学期期中考试高二物理试卷考试时间:90分钟 试题分数:100分卷I一.选择题:本题共10题,每小题4分,总共40分。
其中1-6为单选题,8-10为多选题。
全部选对的得4分,选对但不全的得2分,有选错的得0分。
1.如图所示,螺线管的导线的两端与两平行金属板相接,一个带负电的小球用丝线悬挂在两金属板间,并处于静止状态,当条形磁铁突然插入线圈时,小球的运动情况是( )A .向左摆动B .向右摆动C .保持静止D .无法判定2.如图所示是磁电式电流表的结构,蹄形磁铁和铁芯间的磁场均匀辐向分布,线圈中a 、b 两条导线长均为l ,通以图示方向的电流I ,两条导线所在处的磁感应强度大小均为B ,则( )A .该磁场是匀强磁场B .线圈平面总与磁场方向垂直C .线圈沿将逆时针方向转动D .a 、b 导线受到的安培力大小总为IlB3.磁强计用于测定地磁场的磁感应强度。
其原理如图所示,电路有一段金属导体,它的横截面是宽为a 、高为b 的长方形,放在沿y 轴正方向的匀强磁场中,导体中通有沿x 轴正向、大小为I 的电流。
已知金属导体单位体积中自由电子数为n ,电子电荷量为e ,金属导电过程中,自由电子所做定向移动可视为匀速运动。
两电极M 、N 均与金属导体的前后两侧接触,用电压表测出金属导体前后两个侧面间的电势差为U ,则磁感应强度的大小和电极M 、N 的正负为( )A .neaU I ,M 正、N 负 B .nebU I ,M 正、N 负 C .neaU I ,M 负、N 正 D .nebU I,M 负、N 正4.在如图所示电路中,闭合开关S ,当滑动变阻器的滑片P 向下滑动时,四个理想电表的示数都发生变化,电表的示数分别用I 、U 1、U 2和U 3表示,各电表示数变化量的大小分别用ΔI 、ΔU 1、ΔU 2和ΔU 3表示。
下列判断正确的是( )A .|ΔU 1|+|ΔU 2|<|ΔU 3 |B .|U 1I |不变,|ΔU 2ΔI |变大,|ΔU 3ΔI|变大 C .|ΔU 1|+|ΔU 2| =|ΔU 3 | D .|U 2I |变大,|ΔU 2ΔI |不变,|ΔU 3ΔI|不变 5.如图所示,有一用两根绝缘细绳悬挂在磁场中的直导线,质量为m ,长度为L ,磁场磁感应强度大小为B ,方向竖直向上,当给直导线通一横电流时,直导线向纸面内摆动,最大摆角为60°,则通入的电流( )6.如图所示,匀强电场E 方向竖直向下,水平匀强磁场B 垂直纸面向里,三个油滴a 、b 、c 带有等量同种电荷。
2015—2016学年高二上册期中试题集锦(各科)》》》高二语文高二年级语文期中考试题(附答案)上学期高二语文期中试题高二语文上学期期中试题(附答案)2016第一学期高二语文期中试题》》》高二数学高二数学上学期期中试题(理)2016年高二数学上册期中试题高二数学上学期期中试题2016高二数学第一学期期中试卷》》》高二英语2016学年高二级英语上学期期中试题高二英语上学期期中试题高二英语第一学期期中试卷(附答案)高二英语第一学期期中考试》》》高二生物高二生物上学期期中试题(附答案)高二第一学期生物期中试卷高二生物上学期期中试题及答案高二生物学科期中试卷(附答案)》》》高二地理2016高二级地理上学期期中试卷第一学期期中考试高二级地理试卷重庆一中高二年级地理上学期期中试题高二地理文科第一学期期中考试题》》》高二物理高二物理第一学期期中考试评测卷集高二物理理科第一学期期中试卷重庆市高二物理上学期期中试题2015年秋学期高二物理期中考试题》》》高二化学高二化学上学期期中检测考试题精编新人教高二上学期化学期中测试题高二理科化学上学期期中试题高二年级化学理科第一学期期中考试题》》》高二政治高二年级秋学期政治必修期中试卷高中二年级政治学科期中试题2015年高二秋季学期政治期中考试题高二政治第一学期期中考试题》》》高二历史高二年级历史文科第一学期期中考试题高二上学期历史期中联考试卷高中二年级历史期中考试试题(含答案)高二历史第一学期期中考试题2015-2016学年高二上册期中试题集锦就分享到这里了,更多高二期中试题请继续关注高中频道!想要查看更多高二期中试题的同学们,大家可以点击进入高二期中试题专栏~。
京山中学2015-2016学年度上学期期中考试高二语文试卷命题人:罗蓉审题人:姜楠试卷说明:本试卷包括六个大题,共25个小题。
试卷总分150分,考试时间150分钟。
一、基础知识(30分,每小题3分)1.下列词语中加点的字,读音没有错误的一组是()A. 角.色(jiǎo)楔.子(xiē)汗涔涔.(chén)湛.湛青天(zhàn)B. 罪愆.(yán)戕.害(qiāng)牲畜.(chù)泰然处.(chǔ)之C. 暂.时(zǎn)泥淖.(nào)打烊.(yàng)自怨自艾.(ài)D. 埋.怨(mán)蹊.(qī)跷纶.巾(guān)佛.狸祠(bì)2.下列各句中,没有错别字的一句是()A.寒喧顷刻时晨披枷带锁 B.雪茄烦燥阑珊古陌荒阡C.造孽昭彰战栗繁文缛节 D.脉博仓惶伺候负屈衔冤3.下列各句中加点的成语使用不恰当的一项是()A.我们是住在同一单元并且对门的两家人,可由于平时各忙各的,虽然门当户对....,却也很少往来。
B.近日出台的这些房地产新政策绝不会一帆风顺....,因为靠着房地产支付的特殊利益集团一定会使出浑身解数甚至反扑房地产新政。
C.李娟、楚金玲等5人在这次全国选拔中脱颖而出....,以主攻手人选的身份进入中国排协公布的新一届国家女排20人大名单。
D.就算我现在放弃管老乡的事,老乡们一有事还是会来找我的。
虽然力量微薄,但不去管他们,我于心不...忍.啊。
4.下面横线处应填入的语句,排列顺序恰当的一项是()这朵黄花如果在别处,我也许不屑一顾,可是开在中流砥柱上,又是唯一的一朵,我便特别喜爱。
,,,。
A.它是从石缝钻出的花,是“天行健”“自强不息”的文化徽章,它是生命力的象征,它是巨浪播下的种。
B.它是巨浪播下的种,它是石缝中钻出的花,它是生命力的象征,是“天行健”“自强不息”的文化徽章。
C.它是生命力的象征,它是石缝中钻出的花,它是巨浪播下的种,是“天行健”“自强不息”的文化徽章。
中学部2015-2016学年第一学期高二年级期中测试数 学 学 科 试 题 参 考 答 案(第一部分 满分100分) 一、填空题 (本大题共8小题,每小题5分,共40分)1. 10x y --=2.2y x =3.28y x = 4.相离5.2e +6.47. 55(2,)(,3)228.{0}二、解答题 (本大题共4小题,共计60分) 9. (本小题满分14分)解(1)53BC k =-,BC 边所在直线在y 轴上的截距为2, BC 边所在直线方程为52,53603y x x y =-++-=(2)25AC k =,AC 边上的高的斜率为52k =-,AC 边上的高的直线的方程为53(3)2y x +=--,即5290x y +-=10. (本小题满分14分)解(1)右焦点2(3,0)F ,对应右准线253x =.右焦点到对应准线的距离为163. (2)椭圆的离心率为35e =,根据第二定义, 231616535PF ed ==⋅=, 根据第一定义12163421055PF a PF =-=-=,点P 到左焦点1F 的距离为345. 11. (本小题满分16分)解(1)17 (2)能切点坐标(2(2,)33k k k Z ππππ+-∈或 12. (本小题满分16分)解:(1)设圆C 方程为,022=++++F Ey Dx y x则0443206480F D E F D F ⎧=⎪+++=⎨⎪+++=⎩ 解得D= —8,E=F=0.所以圆C :2280.x y x +-= (2)圆C :22(4)16.x y -+=圆心C(4,0),半径4当斜率不存在时,:0l x =符合题意;当斜率存在时,设直线:0,l y kx kx y =+-+=即因为直线l 与圆C 相切,所以圆心到直线距离为4,4,k ==解得所以直线:120.l y x x =++-=即故所求直线0,120.l x x =-=为或(第二部分满分60分)三、填空题 (本大题共6小题,每小题5分,共30分)13.20x y -= 14. 22(1)(3)25x y -+-= 15.4259()122f x x x =-+ 16. 25/2. 17.011x -≤≤ 18..6 四、解答题 (本大题共2小题,共计30分) 19. (本题满分14分)解:(1)由抛物线2:C y x =得x y 2=',02|0x y x x ='∴= 切线l 的方程为)(2000x x x y y -=- 其中200x y = 令,0=x 得20x y -=;令,0=y 得20x x =;所以)0,2(0x A ,),0(20x B - 22400174x AB x =+=得到2004,2x x ==±,点P 的坐标为(2,4)±(2)设圆心E 的坐标为),0(b ,由题知1-=⋅l PE k k ,即12000-=⋅-x x by ,所以210-=-b y ;由||||PA PE =得20202020)2()(y x b y x +=-+整理得0134020=--y y解得10=y 或410-=y (舍去) 所以23=b ,圆E 的圆心E 的坐标为)23,0(,半径=r =||PE 25)(2020=-+b y x 圆E 的方程为45)23(22=-+y x20. (本题满分16分)解(1)①由已知得c a =,22411a b +=,222a b c =+,联立解得228,2a b ==. 椭圆M 的方程为22182x y +=. ②直线AB 的斜率为定值12由已知直线1:1(2)PA y k x -=-代入椭圆M 的方程消去y 并整理得22111(2)[(14)(288)]0x k x k k -+++-=所以2112188214A k k x k --=+,从而2112144114A k k y k --+=+同理2222288214B k k x k --=+,2222244114B k k y k --+=+因为120k k +=所以121222124()(41)(14)(14)A B k k k k y y k k ---==++121222128()(41)(14)(14)A B k k k k x x k k ---=++12A B ABA B y y k x x -==-为定值 (2) 解法一:12TBC S BC t =⋅=△直线TB 方程为:11y x t =+,联立221411x y y x t ⎧+=⎪⎪⎨⎪=+⎪⎩,得E x 22284,44t t E t t ⎛⎫-- ⎪++⎝⎭到:TC 30x ty t --=的距离d ==直线TC 方程为:31y x t =-,联立221431x y y x t ⎧+=⎪⎪⎨⎪=-⎪⎩,得22436F t x t =+,所以=所以S 所以k 令21212t m +=>,则2213k m m m ==+-≤,当且仅当24m =,即t =±=”, 所以k 的最大值为43.解法二:直线TB 方程为11y x t =+,联立221411x y y x t ⎧+=⎪⎪⎨⎪=+⎪⎩,得E x直线TC 方程为:31y x t =-,联立221431x y y x t ⎧+=⎪⎪⎨⎪=-⎪⎩,得F x =1sin 21sin 2TBC TEFTB TC BTCS TB TC k S TE TF TE TF ETF ⋅⋅∠⋅===⋅⋅⋅∠△△T CT B T E T F x x x x TB TC TE TF x x x x --=⋅=⋅-- 22824436t tt t t t t t =⋅=+-++令21212t m +=>,则22192413k m m ==+-≤,当且仅当24m =,即t =±=”,所以k 的最大值为43.18解。
2015-2016学年度第一学期高二物理期中调研模拟试卷本试卷分第I卷(选择题)和第Ⅱ卷(非选择题)两部分,共6页,满分100分,考生用时90分钟。
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班级:姓名:得分:第Ⅰ卷 (选择题共48分)一、选择题目(本题共12小题,每题4分,共48分.有的小题只有一个选项正确,有的小题有多个选项正确,把正确选项前的字母涂在答题卡上,全部选对的得4分,选对但不全的得2分,有选错或不答的得0分)1、关于库仑定律,下列说法正确的是( )A.库仑定律适用于点电荷,点电荷其实就是体积很小的球体B.根据F=k q1q2r2,当两电荷的距离趋近于零时,静电力将趋向无穷大C.若点电荷q1的电荷量大于q2的电荷量,则q1对q2的静电力大于q2对q1的静电力D.库仑定律和万有引力定律的表达式相似,都是平方反比定律2、电阻R1、R2、R3串联在电路中.已知R1=10 Ω、R3=5 Ω,R1两端的电压为6 V,R2两端的电压为12 V,则( )A.电路中的电流为0.6 AB.电阻R2的阻值为20 ΩC.三只电阻两端的总电压为21 VD.电阻R3两端的电压为4 V3、如图所示,实线为电场线,虚线为等势面,φa=50V,φc=20V,则a、c连线中点b的电势φb为( )A.等于35 V B.大于35 VC.小于35 V D.等于15 V4、如图所示,MN是电场中的一条电场线,一电子从a点运动到b点速度在不断地增大,则下列结论正确的是( )A.该电场是匀强电场B.该电场线的方向由N指向MC.电子在a处的加速度小于在b处的加速度D.因为电子从a到b的轨迹跟MN重合,所以电场线实际上就是带电粒子在电场中的运动轨迹5、如图所示,把一个带正电的小球放入原来不带电的金属空腔球壳内并与内壁接触,其结果是( )A.只有球壳外表面带正电B.只有球壳内表面带正电C.球壳的内外表面都带正电D.球壳的内表面带正电,外表面带负电6、如图所示,点电荷+3Q与+Q分别固定在A、B两点,C、D两点将AB连线三等分.现使一个带负电的试探电荷,从C点开始以某一初速度向右运动,不计试探电荷的重力.则关于该电荷在CD之间的运动,下列说法中可能正确的是( )A.一直做减速运动,且加速度逐渐变小B.做先减速后加速的运动C.一直做加速运动,且加速度逐渐变小D.做先加速后减速的运动7、如图所示,图中实线是一簇未标明方向的由点电荷产生的电场线,虚线是某带电粒子通过该电场区域时的运动轨迹,a、b是轨迹上的两点,若带电粒子在运动过程中只受电场力作用,根据此图可做出的正确判断是( )A.带电粒子所带电荷的正、负B.带电粒子在a、b两点的受力方向C.带电粒子在a、b两点的加速度何处较大D.带电粒子在a、b两点的速度何处较大8、两带电小球,电荷量分别为+q和-q,固定在一长度为L的绝缘细杆的两端,置于电场强度为E 的匀强电场中,杆与场强的方向平行,其位置如图所示,若此杆绕过O点且垂直于杆的轴线转过180°,则在此转动的过程中电场力做的功为( )A.0 B.2qELC.πqEL D.qEL9、平行板电容器的两极板A、B接于电池两极,一带正电小球悬挂在电容器内部.闭合开关S,电容器充电,这时悬线偏离竖直方向的夹角为θ,如图所示,则( )A.保持开关S闭合,带正电的A板向B板靠近,则θ增大B.保持开关S闭合,带正电的A板向B板靠近,则θ不变C.开关S断开,带正电的A板向B板靠近,则θ增大D.开关S断开,带正电的A板向B板靠近,则θ不变10、如图所示,有三个质量相等,分别带正电、带负电和不带电的小球,从平行板电场的中点以相同的初速度垂直于电场方向进入电场,它们分别落在A、B、C三点,可以判断( ) A.落在A点的小球带正电,落在B点的小球不带电B.三个小球在电场中运动的时间相等C.三个小球到达极板时的动能关系为E kA>E kB>E kCD.三个小球在电场中运动时的加速度关系为a A>a B>a C11、如图所示,在绝缘的水平面上方存在着匀强电场,电场方向如图所示,水平面上的带电金属块在水平拉力F的作用下沿水平面移动.已知金属块在移动的过程中,外力F做功32J,金属块克服电场力做功8.0 J,金属块克服摩擦力做功16 J,则在此过程中金属块的( ) A.动能增加8.0 J B.电势能增加24 JC.机械能减少24 J D.机械能增加48 J12、把六个相同的小灯泡接成如图甲、乙所示的电路,调节变阻器使灯泡正常发光,甲、乙两电路所消耗的功率分别用P甲和P乙表示,则下列结论中正确的是( )A.P甲=P乙B.P甲=3P乙C.P乙=3P甲D.P乙>3P甲第Ⅱ卷(非选择题,共48分)二、实验题(本题共2小题,共12分。
高二期中数学卷本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,共5页。
满分150分,考试时间120分钟。
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第Ⅰ卷注意事项:第Ⅰ卷为选择题,共 12 小题,每小题 5 分,共 60 分。
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1、集合}032|{2<--=x x x M ,}|{a x x N >=,若N M ⊆,则实数a 的范围是( )A .),3[+∞B .),3(+∞C .]1,(--∞D .)1,(--∞ 2、将长方体截去一个四棱锥,得到的几何体如图所示,则该几何体的侧视图为( )3、已知a 、b 均为单位向量,它们的夹角为3π,那么3a b + 等于( )D.44、已知直线l ,m 与平面αβγ,,满足//l l m βγαα=⊂ ,,,m γ⊥,则有( ) A .αγ⊥且//m β B .αγ⊥且l m ⊥ C .//m β且l m ⊥ D .//αβ且αγ⊥5、设函数2,0(),01x x bx c f x x ≥⎧++=⎨<⎩,若(4)(0)f f =,(2)2f =,则函数()()g x f x x=-的零点的个数是( )A .0B .1C .2D .36、已知0)](log [log log 237=x ,那么21-x 等于( )A.31 B.63 C.33 D.427、已知3cos(),sin 245x x π-=则=( )(D )(C )(B )(A )A .1825 B .725 C .725- D .1625- 8、利用如图所示程序框图在直角坐标平面上打印一系列点,则打印的点落 在坐标轴上的个数是( )A.0B.1C.2D.3 9、各项为正的等比数列{}n a 中,4a 与14a的等比中项为7112a a +的最小值为( )A .16B .8C.D .410、在错误!未找到引用源。
丰城中学2015-2016学年上学期高二期中考试政治试卷考试范围:必修3 命题人:樟树中学兰爱平考试时间:100分钟考试总分:100分一.选择题(共25个小题,每小题2分,共50分。
在每小题给出的四个选项中,只有一项是符合题目要求的)1.起源于黄河、长江流域的中华文化虽历经沧桑,却犹如浩浩荡荡的黄河、长江奔流不息。
中华文化史上,汉代的文化思想特点是A.隋唐时期的全盛发展时代B.秦的统一,促进了统一的民族文化的发展C.儒家学说至尊地位的确立D.宋明理学的产生2.落后文化和腐朽文化共同的消极作用是A.腐蚀人们的精神世界,侵蚀民族精神B.扩展了文化视野,活跃了文化思想C.通过科学文化教育难以改造或剔除D.污染文化环境,危害社会3.著名作家龙应台在谈及有关“文化”话题时,说道:“它是随便一个人迎面走来,他的举手投足,他的一颦一笑,他的整体气质。
……电梯门打开,他是谦抑地让人,还是霸道地推人? 一个盲人和他并肩路口,绿灯亮了,他会搀那盲者一把吗?”上述观点说明①人创造了文化,文化塑造着人②文化是可以通过人的社会行为体现出来的③文化是通过接受文化知识教育培养出来的④文化是在个人成长中自发形成的A.①② B.①③ C.②④ D.②③4.有人认为,只有以创造性文化为血液,一个国家才能拥有把握外在世界的能力,才能被其他国家认可和尊重。
这一观点包含的文化生活道理是①一定的文化总是由一定的经济所决定的②文化越来越成为综合国力竞争的重要因素③国家之间在综合国力方面的竞争日趋激烈④文化建设是我们立于不败之地的重要条件A.①② B.③④ C.①③ D.②④5.2014年3月20日至26日,美国总统奥巴马夫人米歇尔应邀来华进行为期一周的访问,到访北京、西安和成都三地,与当地大学和高中的年轻人探讨教育的力量。
此次访问聚焦文化交流与教育,以增强中美之间的信任。
材料表明A.中华文化具有包容性特征B.旅游在文化传播中具有决定性影响C.文化与政治相互影响、相互交融D.文化日益成为综合国力竞争的重要因素6.为纪念中国人民抗日战争胜利70周年暨世界人民反法西斯胜利70周年,中国中央档案馆陆续公布了一些受审日本侵华战犯的亲笔供词,包括笔供的中英文内容提要、笔供原文和译文等。
2015-2016高二上学期期中模拟试卷英语试题第二部分英语语言知识运用(共两节,满分40分)第一节阅读理解(15*2’=30’)AImagine how boring life would be, if not for creative and useful inventions.Rolling Bench. Sitting on a park bench especially after a rain is a nightmare, and I bet most of you have had that uncomfortable experience of rising to a wet bottom. These benches can accurately save you on a rainy day. They have a handle that can turn the seat surface to face a relatively clean side. Be careful with the people who might turn the handle and land you into water.Stairway Drawers. Stairways are generally considered a threat as it occupies a lot of space, but what about one that will serve its purpose and can also be used to store things. It’s a pretty interesting concept: the stairway has built-in one push drawer into every step that can store your shoes.Stairway Library. These stairways are specially made to house your collection of books and magazines or even your favourite music CDs. This fashionable stairway is an obvious must-have for those of you owning your own library. You can even use it to show off your collection of vases and antiques.Pocket Chair. Say goodbye to pains especially when working in a garden for a long time. You can now carry your foldable, pocket chair with you, wherever you go. Take it along with you if you have to go for a long trip too, you can simply open it up and sit at ease.21.What should you do first before sitting on a rolling bench after a rain?A.Remove the surface of the seat. B.Turn the surface upside down.C.Fix a clean surface on the seat. D.Turn the handle repeatedly.22.Stairway drawers are the names of containers _______.A.for you to house vases and antiques B.for children to show off their CDsC.used to put aside your shoes D.used to collect books and magazines23.If Mary wants to go for a camp on Sunday, she is advised to take along the _______.A.rolling bench B.stairway library C.pocket chair D.stairway drawersBThere is a 9-year-old kid sitting at his desk and all of a sudden, there is a puddle (一滩水) between his feet and the front of his pants are wet. He thinks his heart is going to stop because he cannot possibly imagine how this has happened. It’s never happened before, and he knows that wh en the boys find out they will never let him forget it. When the girls find out, they’ll never speak to him again as long as he lives.The boy believes his heart is going to stop. He puts his head down and prays: ―This is an emergency! I need help now! F ive minutes from now I’m dead meat.‖He looks up from his prayer, and here comes the teacher with a look in her eyes that says he has been discovered.As the teacher is walking toward him, a classmate named Susie is carrying a goldfish bowl that isfil led with water. Susie trips in front of the teacher and spills the bowl of water in the boy’s lap.The boy pretends to be angry, but all the while is saying to himself. ―Thank God!‖Now all of a sudden, instead of being made fun of, the boy gets sympathy. The teacher rushes him downstairs and gives him gym shorts to put on while his pants dry out. All the other children are on their hands and knees cleaning up around his desk. The sympathy is wonderful. But the ridicule that should have been his is given to someone else—Susie. She tries to help, but they tell her to get out. ―You’ve done enough!‖Finally, at the end of the day, as they are waiting for the bus, the boy walks over to Susie and whispers: ―You did that on purpose, didn’t you?‖ Susie whispers back: ―I wet my pants once too.‖24.What is the boy’s reaction to this incident at first?A.He is calm but worried. B.He thinks he is going to die.C.He is afraid and embarrassed. D.He prays and asks for help from his teacher.25.The underlined word ―sympathy‖ probably means _______.A.care B.cheating C.belief D.contribution26.After Susie spills the bowl of water in the boy’s lap, _______.A.other students ask Susie for help and yell at herB.the teacher sends the boy downstairs to clean up around his deskC.the little boy becomes really angry and runs away to change his clothesD.the little boy is saved from embarrassment and gains others’ sympathy27.From the story, we can conclude that _______.A.all the children feel wonderful about being able to helpB.the teacher does not know what actually happened to the little boyC.Susie spends a long time coming up with a plan to help the little boyD.Susie is kindhearted and still tries to help even though she is ridiculedCHe is probably the greatest artist of the 20th century. As CBS said, Pablo Picasso (1881-1973)―defined modern art‖.In the past, artists had made paintings look like windows – they painted to make it look like there was depth. You could tell which objects w ere ―close‖ to you and which objects were ―far away‖, as if the picture were a window you were looking through.But Picasso and his colleague Georges Braque (1882-1963) thought that a painting wasn’t a window on the world; it was marks and lines on a flat surface. Why should an object be shown only from one perspective?Their answer was to break up objects into pieces and show all the perspectives.It was an analytical approach to art, which gave this style of painting its name: ―analytic cubism(解析立体主义)‖. You can take a closer look at these paintings in Shanghai where nearly 100 pieces of Picasso’s work are on display until Jan 31, 2016.But why did they feel such a need to change things? Well, the world around them was changing. Albert Einstein’s th eory of relativity was proving what humans knew about time and space to be wrong. And it wasn’t only science that was making waves. New political movements like socialism were on the rise. So artists needed to start seeing the world and painting it differently.A famous and terrifying painting, Guernica (1937) is a picture of the horror caused to the town of Guernica by bombs during the Spanish Civil War (1936-1939). In the picture, the sky actually falls in. Picasso could not have painted it without the skills he had learned during his cubist period. They had prepared him for showing the town being destroyed.―Instead of showing objects from one viewpoint, Picasso showed them from many different angles,‖ said The Huffington Post.28.What is the article mainly about?A.Why Picasso’s paintings have a lasting appeal.B.What inspired Picasso to become a great artist.C.Picasso’s great, revolutionary achievements in art.D.The background of the birth of Picasso’s analytic cubism.29.What do we know about the painting revolution started by Picasso and Georges Braque?A.They painted like there was depth in their paintings.B.They painted objects that they had broken into pieces.C.They tried to make their paintings look like windows.D.They showed the different angles of an object in their paintings.30.Picasso and Georges Braque started analytic cubism because _______.A.they believed art needed to change to follow the changing worldB.they wanted to apply Einstein’s theory of relativity to paintingC.Picasso wanted to make waves just like Einstein didD.new political movements had forced art to change31.The painting Guernica is mentioned in the 7th paragraph to show _______.A.the main themes of Picasso’s paintingsB.the philosophy behind Picasso’s paintingsC.what Picasso had learned during the cubist periodD.that Picasso’s analytical approach made it a masterpieceDHeads turned, tears dropped, and gossip-filled whispers went on and on from the hospital passages to the house windows. There was a problem: a daughter had been born. She wasn’t the first disappointment born to her family. Although my aunt didn’t care about giving birth to a girl, her mother-in-law constantly reminded her of the criticism she would have to face if she gave birth to a daughter. In India, most people held these views.When I visited my relatives during the summer, one sentence managed to fill me with anger and start arguments with my so-called relatives. ―You are a girl, stay within your limits.‖ They simply don’t know how different it is living in the US. Anyway, comparisons to my cousins led me to end the arguments for the moment and accept the way they lived their lives.My words didn’t make sense to them so my mind was set on proving them wrong.Although their words didn’t tear me apart, their actions managed to. The amount of sexism(性别歧视) in this culture, especially my hometown, made me feel bad. It was the 21st century, yet women had to eat after the men at family gatherings. They had to cook all the family meals and were asked to take jobs that required little skill or education. It was time to change these views.As I was growing older, the same relatives repeatedly questioned me about my future: ―What do you want to be?‖ And the answer was always the same:electrical engineer. I have a passion for electronics; as clichéd(陈词滥调的) as it sounds, I was born to do it. When I connect wires together to repair something, I can’t contain my excitement. But when I tried to explain this to my relatives, all of them, except for my parents and grandparents, would be shocked and laugh at me —laugh because they didn’t think I could live up to my goals, being a ―girl and all‖. It was time to change these views.In my world, being a girl is not a problem. Rather, it is an opportunity to allow passion, not stereotypes(成见), to shape my future. I decided to channel my relatives’ views into positive energy. Rather than letting them bring me down, I let them be motivation to achieve my goal of becoming an engineer. I, a female, will become a successful engineer.32.The first paragraph was mainly written to _______.A.describe how bad the author’s aunt felt for having a baby girlB.show that most Indian people are strongly prejudiced against womenC.describe the pressure the author’s aunt had t o face when she was going to have a babyD.show that the author’s aunt’s generation is fighting against prejudice against women33.From the second and third paragraphs, it can be concluded that _______.A.the author’s friends and relatives were jealous abo ut her life in the USB.the author realized that just using words couldn’t change the relatives’ sexismC.the author got used to being reminded to stay within her limits after she was bornD.the author often argued with her relatives because she believed US lifestyles were right34.In the article, in what way does the author show how serious the amount of sexism was in her hometown?A.By describing feeling defeated after arguments.B.By stressing the conflicts she had with her relatives.C.By describing peo ple’s words, behavior and common practices.D.By giving examples of how her goals were laughed at repeatedly.35.According to the text, the author decided to change her relatives’ views by _______.A.achieving her dream of becoming an engineerB.using her relatives’ comments as motivationC.letting stereotypes influence her future decisionsD.achieving her ambition of changing her hometown第二节(共5小题;每小题2分,满分10分)Can you fall fast asleep at night? If not, you can try to drink a glass of hot milk. 36 Still no luck? Try thinking about sheep jumping over a fence. Count them to yourself, ―One, two, three, four…one hundred and ninety-five, one hundred and ninety-six…‖37 Should you take a sleeping pill? People who take pills often come to depend on the drugs. So you lie awake knowing that the new work day will soon arrive. If this happens to you for at least one month, you may have primary insomnia(失眠). There are millions of you…us… around the world.A new study has found that you might fall asleep quicke r and stay asleep longer if you try ―cerebral hypothermia‖. No, cerebral hypothermia is not a complex medical process.38Two American professors led the study. They examined 12 people who had insomnia and 12 others who had no sleep problems. Each of them wore a soft plastic cap on their heads at bed time.39 The researchers moved the water through the tubes and then changed the temperature of the water. Other studies showed that people who had trouble sleeping often had more chemical reactions in the front of their brains. The researchers thought lowering the temperature of the brain might help.The first two nights of testing, the patients wore no water caps. During the next two nights, the caps were worn, but the water was not cooled. Then the researchers cooled the water a little for two nights. 40The researchers found that the water caps did not help the insomnia patients until the temperature was about 14℃. Most of the patients fell asleep faster and slept better when the coolest water was moving around their heads.A.Some say sheep counting might help.B.It just means cooling down your brain.C.It is late at night and you are still awake.D.The caps had tubes inside filled with water.E.If that does not work, listen to some soft, beautiful music.F.They believe they have discovered something important that needs more research.G.On the final two nights of the study, the temperature of the water was made much cooler.第三部分英语知识运用(共两节,满分45分)第一节完形填空(共20小题;每小题1.5分,满分30分)阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填人空白处的最佳选项,并在答题卡上将该项涂黑。
2015—2016学年高二上学期期中考试英语试题及答案第I卷第一部分:听力(共两节,30分)第一节(共5小题,每小题1.5分,满分7.5分)听下面5段对话。
每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。
听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
1.Where are the speakers?A. At a museum.B. At a party.C. At a concert.2.What time will the meeting start?A. At 11:00.B. At 10:00.C. At 10:30.3.Where is the diamond necklace?A. Round the womans neck.B. In a case.C. In the mans hand.4.What has the woman offered to do?A. Look for the mans lunch box.B. Get the mana coffee. C. Treat the man to lunch.5.What is the relationship between the twospeakers?A. Salesgirl and customer.B. Sister and brother.C. Driver and passenger.第二节(共15小题;每小题1.5分,满分22.5分)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,并标在试卷的相应位置。
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。
听第6段材料,回答第6至8题。
6.Who is Steven?A. The womans husband.B. Mrs Whites son.C. The womans uncle.7.When did Steven hurt himself?A. Last week.B. This week.C. A month ago.8.What part of the body did Steven hurt?A. His leg.B. His heart.C. His hand.听第7段材料,回答第9至11题。
贵州省毕节市大方县实验高中2015-2016学年高二(上)期中物理试卷一、选择题(每小题4分,共60分)1.下列公式中,既适用于点电荷产生的静电场,也适用于匀强电场的有()①场强E=②场强E=③场强E=④电场力做功W=Uq.A.①③ B.②③ C.①④ D.②④2.已知A为电场中一固定点,在A点放一电量为q的电荷,受电场力为F,A点的场强为E,则()A.若在A点换上﹣q,A点场强方向发生变化B.若在A点换上电量为2q 的电荷,A点的场强将变为 2EC.若在A点移去电荷q,A点的场强变为零D.A点场强的大小、方向与q 的大小、正负、有无均无关3.把一个带正电的金属小球A跟同样的不带电的金属球B相碰,两球都带等量的正电荷,这从本质上看是因为()A.A球的正电荷移到B球上B.B球的负电荷移到A球上C.A球的负电荷移到B球上D.B球的正电荷移到A球上4.真空中两个点电荷Q1、Q2,距离为R,当Q1增大到原来的3倍,Q2增大到原来的3倍,距离R增大到原来的3倍时,两电荷间的库仑力变为原来的()A.1倍B.3倍C.6倍D.9倍5.真空中大小相同的两个金属小球A、B带有等量电荷,相隔一定距离,(距离远大于小球的直径)两球之间的库仑斥力大小为F,现在用另一个跟它们大小相同的不带电金属小球,先后与A、B两个小球接触后再移开,这时A、B两球之间的库仑力大小()A.一定是B.一定是C.可能是D.可能是6.电场中有一点P,下列说法中正确的有()A.若放在P点的电荷的电荷量减半,则P点的场强减半B.若P点没有试探电荷,则P点场强为零C.P点的场强越大,则同一电荷在P点受到的电场力越大D.P点的场强方向为就是放在该点的正电荷受电场力的方向7.在静电场中有A、B两点,关于这两点的场强和电势的关系,下列说法正确的是()A.若场强相等,则电势一定相等B.若电势相等,则场强一定相等C.电势高处场强一定大D.场强大处,电势反而可能低8.带正电的小球只受电场力作用,则它在任意一段时间内()A.一定沿着电场线由高电势向低电势方向运动B.一定沿着电场线向电势能减小的方向运动C.不一定沿着电场线运动,但一定向低电势方向运动D.不一定沿着电场线运动,也不一定向电势能减小的方向运动9.如图所示的电场中,AB=BC,则下列关系中正确的是()A.U AB=U BC B.U AB>U BCC.U AB<U BC D.以上结论都有可能10.如图所示,图中虚线表示某电场的一组互相平行的等势面,各等势面的电势值如图,则()A.在B点的场强方向是竖直向下的B.A、B两处场强相比B点更大C.1C的电荷量的正电荷从B到A,电场力做正功2JD.负电荷从A移到B点电场力做负功11.如图为匀强电场的等势面,相邻等势面相距2cm,则该匀强电场()A.方向竖直向下,场强E=100V/mB.方向水平向左,场强E=100N/CC.方向竖直向上,场强E=100V/mD.方向水平向右,场强E=100V/m12.将一个平行板电容器接上电源后再切断电源.然后使两极板间的距离增大一些,则关于电容器两极的电压U和两极间的场强E的变化,下列说法正确的是()A.U增大,E增大B.U增大,E不变C.U不变,E减小D.U减小,E减小13.关于电场线的说法,正确的是()A.沿着电场线的方向电场强度越来越小B.在没有电荷的地方,任何两条电场线都不会相交C.电场线是人们假设的,用以形象表示电场的强弱和方向,客观上并不存在D.电场线是始于正电荷或无穷远,止于负电荷或无穷远14.图中的实线表示电场线,虚线表示只受电场力作用的带电粒子的运动轨迹.粒子先经过M点,再经过N点.可以判定()A.M点的电势大于N点的电势B.M点的电势小于N点的电势C.粒子在M点受到的电场力大于在N点受到的电场力D.粒子在M点受到的电场力小于在N点受到的电场力15.一电子飞经电场中A、B两点,电子在A点电势能为4.8×10﹣17J,动能为3.2×10﹣17J,电子经过B点时电势能为3.2×10﹣17 J,如果电子只受电场力作用,则下列说法错误的是()A.电子在B点时动能为4.8×10﹣17JB.由A到B电场力做功为100eVC.电子在B点时动能为1.6×10﹣17JD.A、B两点间电势差为﹣100V二、填空题(每空2分,共10分)16.如图所示,一个验电器用金属网罩罩住,当使带电的金属球靠近验电器的金属球时,验电器的箔片(填“张开”或“不张开”),我们把这种现象称之为.17.用如图所示装置可以研究影响平等板电容器电容的因素,设两极板正对面积为S,两极板间的距离为d,板间电介质的介电常数为ɛ,静电计指针偏角为θ,实验中,极板所带电荷量不变,①若保持d,ɛ不变,减小S,则θ;②若保持S,ɛ不变,增大d,则θ;③若保持d,S不变,在板间插入介电常数ɛ更大的电介质,则θ.三、计算题(共40分)18.两块水平放置的平行金属板A和B(A在上,B在下),两板间的电压U=200V,要使一个质量为5g,带电量为﹣5×10﹣6C的微粒恰能在两板间的某点静止,g取10m/s2,(1)试确定A极板的带电性质;(2)求两极板间的距离.19.如图所示,在竖直向下的匀强电场中,一个质量为m带负电的小球从斜轨道上的A点由静止滑下,小球通过半径为R的圆轨道顶端的B点时恰好不落下来.已知轨道是光滑而又绝缘的,且小球的重力是它所受的电场力2倍.求:(1)A点在斜轨道上的高度h为多少?(2)小球运动到最低点时的对轨道压力为多少.20.如图所示的匀强电场中,有a、b、c三点,ab=5cm,bc=12cm,其中ab沿电场方向,bc 和电场线方向成60°角,一个电荷量为q=3×10﹣8C的正电荷从a移到b电场力做功为W1=1.2×10﹣7J,求:(1)匀强电场的场强E;(2)电荷从b移到c,电场力做的功W2;(3)a、c两点间的电势差U ac.21.在xOy平面内,有沿y轴负方向的匀强电场,场强大小为E(图象未画出),由A点斜射出一质量为m、带电量为+q的粒子,B和C是粒子运动轨迹上的两点,如图所示,其中l0为常数,粒子所受重力忽略不计,求:(1)粒子从A到C过程中电场力对它做的功;(2)粒子从A到C过程所经历的时间;(3)粒子经过C点时的速率.2015-2016学年贵州省毕节市大方县实验高中高二(上)期中物理试卷参考答案与试题解析一、选择题(每小题4分,共60分)1.下列公式中,既适用于点电荷产生的静电场,也适用于匀强电场的有()①场强E=②场强E=③场强E=④电场力做功W=Uq.A.①③ B.②③ C.①④ D.②④【考点】电场强度.【专题】电场力与电势的性质专题.【分析】E=是电场强度的定义式,适用于一切电场,仅适用于匀强电场,适用于点电荷产生的电场.W=qU适用于一切电场.【解答】解:E=是电场强度的定义式,适用于一切电场,仅适用于匀强电场,适用于点电荷产生的电场.W=qU适用于一切电场.可知既适用于点电荷产生的静电场,也适用于匀强电场是①④.故选:C.【点评】解决本题的关键掌握电场强度的三个公式,知道公式的适用条件,基础题.2.已知A为电场中一固定点,在A点放一电量为q的电荷,受电场力为F,A点的场强为E,则()A.若在A点换上﹣q,A点场强方向发生变化B.若在A点换上电量为2q 的电荷,A点的场强将变为 2EC.若在A点移去电荷q,A点的场强变为零D.A点场强的大小、方向与q 的大小、正负、有无均无关【考点】电势差与电场强度的关系;电场强度.【专题】电场力与电势的性质专题.【分析】电场强度为电场本身的性质,其大小及方向与试探电荷的电量及电性无关.【解答】解:电场强度E=是通过比值定义法得出的,其大小及方向与试探电荷无关;故放入任何电荷时电场强度的方向大小均不变,故ABC均错误,D正确.故选:D.【点评】该题考查对电场强度的定义式的理解,比值定义法是物理学中常用方法,但要注意所定义的量不一定与式中的物理有比例关系.3.把一个带正电的金属小球A跟同样的不带电的金属球B相碰,两球都带等量的正电荷,这从本质上看是因为()A.A球的正电荷移到B球上B.B球的负电荷移到A球上C.A球的负电荷移到B球上D.B球的正电荷移到A球上【考点】电荷守恒定律.【专题】电场力与电势的性质专题.【分析】金属是自由电子和金属正离子组成的,正离子只做热振动,不移动,而自由电子可以移动.根据这个分析接触带电的实质.【解答】解:A、D金属上正电荷只做无规则的热振动,不能发生移动,更不可能从一个球移动到另一个球.故A、D错误.B、C,B球原来不带电,与A球接触后,由于A球上正电荷对电子的吸引,电子从B球转移到A球上,原来中性的B球就带正电.电子带负电,所以B带正电是由于B球上的负电荷移到A球上的缘故.故B正确,C错误.故选B.【点评】本题运用基本知识分析物理现象的能力.4.真空中两个点电荷Q1、Q2,距离为R,当Q1增大到原来的3倍,Q2增大到原来的3倍,距离R增大到原来的3倍时,两电荷间的库仑力变为原来的()A.1倍B.3倍C.6倍D.9倍【考点】库仑定律.【专题】电场力与电势的性质专题.【分析】根据库仑定律公式F=k分析.【解答】解:根据库仑定律公式F=k,电量的乘积变为原来的9倍,距离的平方也变为原来的9倍,故库仑力不变;故选A.【点评】本题是库仑定律的直接运用问题,直接根据公式分析即可.5.真空中大小相同的两个金属小球A、B带有等量电荷,相隔一定距离,(距离远大于小球的直径)两球之间的库仑斥力大小为F,现在用另一个跟它们大小相同的不带电金属小球,先后与A、B两个小球接触后再移开,这时A、B两球之间的库仑力大小()A.一定是B.一定是C.可能是D.可能是【考点】库仑定律.【专题】电场力与电势的性质专题.【分析】理解库仑定律的内容.知道带电体相互接触后移开,同种电荷电量平分,异种电荷电量先中和再平分.【解答】解:假设A带电量为+Q,B带电量为﹣Q,两球之间的相互吸引力的大小是:F=第三个不带电的金属小球C与A接触后,A和C的电量都为,C与B接触时先中和再平分,则C、B分开后电量均为﹣,这时,A、B两球之间的相互作用力的大小:F′==;假设A带电量为+Q,B带电量为+Q,两球之间的相互吸引力的大小是F=第三个不带电的金属小球C与A接触后,A和C的电量都为,C与B接触时先中和再平分,则C、B分开后电量均为+Q,这时,A、B两球之间的相互作用力的大小F′==F;而题目是库仑斥力,则一定是同种电荷,故B正确,ACD错误;故选:B.【点评】要清楚带电体相互接触后移开,同种电荷电量平分,异种电荷电量先中和再平分.根据库仑定律的内容,找出变化量和不变量求出问题.6.电场中有一点P,下列说法中正确的有()A.若放在P点的电荷的电荷量减半,则P点的场强减半B.若P点没有试探电荷,则P点场强为零C.P点的场强越大,则同一电荷在P点受到的电场力越大D.P点的场强方向为就是放在该点的正电荷受电场力的方向【考点】电场强度.【分析】电场强度反映电场本身的性质,与试探电荷无关,电场中同一点,场强是一定的.场强方向为就是放在该点的正电荷受电场力的方向.【解答】解:A、场强反映电场本身的性质,只由电场本身决定,与试探电荷无关,则若放在P点的电荷的电荷量减半,则P点的场强不变.故A错误.B、若P点没有试探电荷,则P点场强不变,不为零,故B错误.C、P点的场强是一定的,由F=qE,可知F与q成正比,E越大,同一电荷在P点受到的电场力越大,故C正确.D、P点的场强方向为就是放在该点的正电荷受电场力的方向.故D正确.故选:CD.【点评】解决本题的关键是理解并掌握场强的物理意义,明确其方向特点:与正电荷所受的电场力方向相同.7.在静电场中有A、B两点,关于这两点的场强和电势的关系,下列说法正确的是()A.若场强相等,则电势一定相等B.若电势相等,则场强一定相等C.电势高处场强一定大D.场强大处,电势反而可能低【考点】电势差与电场强度的关系;电势.【专题】电场力与电势的性质专题.【分析】场强与电势没有直接关系,场强可根据电场线的疏密分析大小.电势根据电场线的方向判断其高低.根据这些知识解答【解答】解:A、由于场强与电势没有直接关系,场强相等,则电势不一定相等.故A错误.B、同样,电势相等,则场强不一定相等.故B错误.C、电势高处电场线不一定密,则场强不一定大,故C错误.D、根据场强与电势没有直接关系,知场强大处,电势反而可能低,故D正确.故选:D.【点评】明确电场线的疏密程度反映强弱,电场强度与电势无直接关系是解题的关键.8.带正电的小球只受电场力作用,则它在任意一段时间内()A.一定沿着电场线由高电势向低电势方向运动B.一定沿着电场线向电势能减小的方向运动C.不一定沿着电场线运动,但一定向低电势方向运动D.不一定沿着电场线运动,也不一定向电势能减小的方向运动【考点】电势差与电场强度的关系;电势.【专题】电场力与电势的性质专题.【分析】电场线并不存在,是虚拟的,是认为引入的,而物体的运动轨迹是实际存在的,故电场线不是电荷的运动轨迹;带正电的小球只受电场力作用,但不清楚小球的初始状态,所以不能判断其运动情况.只有当电场线是直线时,小球只受到电场力的作用才可能沿电场线运动.【解答】解:物体的运动情况取决于合力和初始条件.小球只受到电场力的作用,是否沿电场线运动,还要看电场线是直线还是曲线,有没有初速度,以及初速度方向与电场线的关系.只有当电场线是直线时且小球的运动方向与电场线平行时,小球只受到电场力的作用才可能沿电场线运动.所以小球不一定沿着电场线运动,也不一定向电势能减小的方向运动,故D正确,ABC错误.故选:D.【点评】对物体运动情况的判断能力,从力学的角度进行分析:物体的运动性质不仅取决于合力,还取决于初速度条件.虽然是简单题,同时也是易错题目.9.如图所示的电场中,AB=BC,则下列关系中正确的是()A.U AB=U BC B.U AB>U BCC.U AB<U BC D.以上结论都有可能【考点】电场线.【专题】定性思想;推理法;电场力与电势的性质专题.【分析】根据电场强度与电势差的关系:U=Ed.电场强度大的地方,电势差也大,电场强度小的地方,电势差也小.根据点电荷场强分布的特点,判断AB段、BC段的场强大小,从而可以判断AB间与BC间电势差的大小.【解答】解:根据电场线的疏密表示场强的大小,可知,AB间的场强比BC间场强小,由公式U=Ed,AB=BC,则有:U AB<U BC.故选:C.【点评】解决本题的关键知道电场线的疏密表示电场的强弱,知道U=Ed适用于匀强电场的计算,但是对于非匀强电场,可以进行定性分析.10.如图所示,图中虚线表示某电场的一组互相平行的等势面,各等势面的电势值如图,则()A.在B点的场强方向是竖直向下的B.A、B两处场强相比B点更大C.1C的电荷量的正电荷从B到A,电场力做正功2JD.负电荷从A移到B点电场力做负功【考点】等势面;电势能.【专题】电场力与电势的性质专题.【分析】根据电场线与等势面垂直,且由电势高处指向电势低处,判断出电场强度的方向,并判断出此电场中匀强电场.根据电场力方向与位移方向的关系判断电场力做功正负.【解答】解:A、根据电场线与等势面垂直,且由电势高处指向电势低处,可知电场线方向应竖直向上,则B处的场强方向是竖直向上,故A错误.B、图中等差等势面疏密均匀,则电场线疏密也均匀,说明此电场是匀强电场,场强处处相同,故B错误.C、根据电场力做功公式W=qU得:1C的正电荷从B到A,电场力做功为W AB=qU BA=1C×(3V﹣1V)=2J,故C正确.D、负电荷所受的电场力方向竖直向下,则负电荷从A移到B时电场力做正功,故D错误.故选:C.【点评】该题考查对电场线与等势面的关系的理解,对于电场线和等势面之间的关系要掌握牢固,本题也可以作出电场线,再进行判断.11.如图为匀强电场的等势面,相邻等势面相距2cm,则该匀强电场()A.方向竖直向下,场强E=100V/mB.方向水平向左,场强E=100N/CC.方向竖直向上,场强E=100V/mD.方向水平向右,场强E=100V/m【考点】等势面.【分析】电场线和等势面垂直,由高等势面指向低等势面,结合电势差和沿电场线方向上的距离求出电场强度的大小【解答】解:因为电场线和等势面垂直,由电势高等势面指向电势低等势面,所以电场强度的方向竖直向下,电场强度E=.故A正确,B、C、D错误.故选:A.【点评】解决本题的关键知道电场线和等势面的关系,掌握匀强电场电场强度和电势差的关系,基础题.12.将一个平行板电容器接上电源后再切断电源.然后使两极板间的距离增大一些,则关于电容器两极的电压U和两极间的场强E的变化,下列说法正确的是()A.U增大,E增大B.U增大,E不变C.U不变,E减小D.U减小,E减小【考点】电容器的动态分析.【专题】电容器专题.【分析】充电后断开,电容器两极板所带的电荷量不变;由C=分析电容的变化,由C=可判断U的变化.【解答】解:电容器两极板间的距离增大一些,由C=分析得知电容C减小,而电量不变,则由C=可知,极板间的电压U增大;板间场强E===,同,由于ɛ、S、Q均不变,可见E不变.故B正确.故选B【点评】本题关键要掌握电容的决定式C=、电容的定义式C=,会推导场强E=,再进行分析.13.关于电场线的说法,正确的是()A.沿着电场线的方向电场强度越来越小B.在没有电荷的地方,任何两条电场线都不会相交C.电场线是人们假设的,用以形象表示电场的强弱和方向,客观上并不存在D.电场线是始于正电荷或无穷远,止于负电荷或无穷远【考点】电场线.【专题】电场力与电势的性质专题.【分析】掌握电场线特点是解本题的关键,电场线从正电荷或无限远出发,终止于无限远或负电荷,不相交不闭合,电场线疏密描述电场强弱,电场线密的地方,电场强度大,疏的地方电场强度弱【解答】解:A、电场线的疏密表示电场强度的强弱,沿着电场线的方向电场强度变化无法确定,故A错误.B、因为电场线的疏密决定场强的强弱,如果两条不同的电场线相交的话,意味着在交点处距离为零,场强无穷大,与实际不符.另外交点处两条电场线各有一条切线,电场线的切线方向代表场强的方向,同一点有两条不同的切线,意味着同一点有两个不同的场强方向,同样与实际不符.故B正确.C、电场是客观的存在,电场线是人为虚拟的,不是客观的存在,故C正确.D、电场线从正电荷或无限远出发,终止于无限远或负电荷,故D正确.故选BCD.【点评】本题考察了关于电场线的基础知识,比较简单,对于电场线的理解可以和磁场线类比进行.14.图中的实线表示电场线,虚线表示只受电场力作用的带电粒子的运动轨迹.粒子先经过M点,再经过N点.可以判定()A.M点的电势大于N点的电势B.M点的电势小于N点的电势C.粒子在M点受到的电场力大于在N点受到的电场力D.粒子在M点受到的电场力小于在N点受到的电场力【考点】电场线;电场强度;电势.【专题】电场力与电势的性质专题.【分析】本题比较简单,根据电场线的特点直接进行判断即可.【解答】解:电场线的疏密表示电场强度的强弱,沿电场方向电势降低,从图中可知:M点电势比N点高,N点处的电场线密,电场强度大,所受电场力大,故BC错误,AD正确.故选AD.【点评】电场线的概念是电场中的重要概念,该概念包含物理信息较多,要加强理解和应用.15.一电子飞经电场中A、B两点,电子在A点电势能为4.8×10﹣17J,动能为3.2×10﹣17J,电子经过B点时电势能为3.2×10﹣17 J,如果电子只受电场力作用,则下列说法错误的是()A.电子在B点时动能为4.8×10﹣17JB.由A到B电场力做功为100eVC.电子在B点时动能为1.6×10﹣17JD.A、B两点间电势差为﹣100V【考点】匀强电场中电势差和电场强度的关系;带电粒子在匀强电场中的运动.【专题】定量思想;推理法;带电粒子在电场中的运动专题.【分析】根据能量守恒求出电子的动能,根据电场力做功与电势能的变化关系求电场力做的功,同时可以求出两点间的电势差.【解答】解:AC、因只有电场力做功;故电势能和动能守恒;在A点,总能量为:E=E K+E P=3.2×10﹣17﹣3.2×10﹣17=4.8×10﹣17J,﹣17+4.8×10﹣17=8×10﹣17J,则可知在B点动能EK=E﹣E P=8×10故A正确C错误;B、电场力做的功等于电势能的该变量,所以W AB=E PA﹣E PB=1.6×10﹣17J=100ev,B正确;D、W AB=eU AB,所以U AB=﹣100V,D正确;本题选错误的;故选:C.【点评】本题重点考查了电场力做功与电势能的变化关系W AB=E PA﹣E PB这个关系式,结合功的公式及能量守恒即可解决此类题目.二、填空题(每空2分,共10分)16.如图所示,一个验电器用金属网罩罩住,当使带电的金属球靠近验电器的金属球时,验电器的箔片不张开(填“张开”或“不张开”),我们把这种现象称之为静电屏蔽.【考点】电荷守恒定律.【专题】电场力与电势的性质专题.【分析】导体的外壳对它的内部起到“保护”作用,使它的内部不受外部电场的影响,这种现象称为静电屏蔽.金属内部由于电子可以自由移动,会产生一个与外加电场相反的电场,来抵消在金属内部的电场,以保证平衡,从而使金属表面上电荷重新分布.【解答】解:物理学中将导体中没有电荷移动的状态叫做静电平衡.处于静电平衡状态的导体,内部电场强度处处为零.由此可推知,处于静电平衡状态的导体,电荷只分布在导体的外表面上.一个验电器用金属网罩罩住,当使带电的金属球靠近验电器的金属球时,验电器的箔片不张开,我们把这种现象称之为静电屏蔽.故答案为:不张开,静电屏蔽.【点评】静电屏蔽的意义:屏蔽使金属导体壳内的仪器或工作环境不受外部电场影响,也不对外部电场产生影响.17.用如图所示装置可以研究影响平等板电容器电容的因素,设两极板正对面积为S,两极板间的距离为d,板间电介质的介电常数为ɛ,静电计指针偏角为θ,实验中,极板所带电荷量不变,①若保持d,ɛ不变,减小S,则θ变大;②若保持S,ɛ不变,增大d,则θ变大;③若保持d,S不变,在板间插入介电常数ɛ更大的电介质,则θ变小.【考点】电容器的动态分析.【专题】电容器专题.【分析】静电计测定电容器极板间的电势差,电势差越大,指针的偏角越大.根据电容的决定式C=分析极板间距离、正对面积变化时电容的变化情况,由于极板所带电荷量不变,再由电容的定义式C=分析板间电势差的变化,即可再确定静电计指针的偏角变化情况.【解答】解:①根据电容的决定式C=得知,电容与极板的正对面积成正比,当保持d不变,减小S时,电容减小,电容器极板所带的电荷量Q不变,则由电容的定义式C=分析可知板间电势差增大,静电计指针的偏角θ变大.②根据电容的决定式C=得知,电容与极板间距离成反比,当保持S不变,增大d时,电容减小,电容器的电量Q不变,由电容的定义式C=分析可知板间电势差增大,则静电计指针的偏角θ变大;③保持S、d均不变,插入电介质,电容C质大,因电量不变,则U减小,故偏角将减小;故答案为:①变大,②变大,③变小.【点评】本题是电容动态变化分析问题,关键抓住两点:一是电容器的电量不变;二是掌握电容的两个公式:电容的决定式C=和C=.三、计算题(共40分)18.两块水平放置的平行金属板A和B(A在上,B在下),两板间的电压U=200V,要使一个质量为5g,带电量为﹣5×10﹣6C的微粒恰能在两板间的某点静止,g取10m/s2,(1)试确定A极板的带电性质;(2)求两极板间的距离.【考点】库仑定律.【分析】(1)带电微粒处于静止状态,受力平衡,重力与电场力大小相等,方向相反,即可判断金属板A带何种电荷;(2)微粒静止时,重力与电场力平衡,根据平衡条件和电场强度公式求解板间距离.【解答】解:(1)带电微粒处于静止状态,受力平衡,重力与电场力大小相等,方向相反,则电场力方向竖直向上,微粒带负电,则A板带正电.(2)当两板间的电势差为200V,微粒静止,由平衡条件得mg=qE,又E=得到d=将q=5×10﹣6C,U=200V,m=5×10﹣3kg代入解得,d=2×10﹣2m答:(1)A极板带正电.(2)两极板间的距离为0.02m.【点评】本题是带电粒子在电场中平衡问题,关键是电场力的分析和计算,要熟悉各物理量之间的关系.19.如图所示,在竖直向下的匀强电场中,一个质量为m带负电的小球从斜轨道上的A点由静止滑下,小球通过半径为R的圆轨道顶端的B点时恰好不落下来.已知轨道是光滑而又绝缘的,且小球的重力是它所受的电场力2倍.求:(1)A点在斜轨道上的高度h为多少?(2)小球运动到最低点时的对轨道压力为多少.。
安徽省安庆市枞阳县浮山中学2015-2016学年高二上学期期中考试语文试题满分150分考试时间150分钟一、现代文阅读(9分,每小题3分)阅读下面的文字,完成1~3题。
中西诗在人伦上的比较朱光潜西方关于人伦的诗大半以恋爱为中心。
中国诗言爱情的虽然很多,但是没有让爱情把其他人伦抹煞。
朋友的交情和君臣的恩谊在西方诗中不甚重要,而在中国诗中则几与爱情占同等位置。
把屈原、杜甫、陆游诸人的忠君爱国爱民的情感拿去,他们诗的精华便已剥丧大半。
从前注诗注词的人往往在爱情诗上贴上忠君爱国的徽帜,例如毛苌注《诗经》把许多男女相悦的诗看成讽刺时事的。
张惠言说温飞卿的《菩萨蛮》十四章为“感士不遇之作”。
这种办法固然有些牵强附会。
近来人却又另走极端把真正忠君爱国的诗也贴上爱情的徽帜,例如《离骚》、《远游》一类的著作竟有人认为是爱情诗。
我以为这也未免失之牵强附会。
看过西方诗的学者见到爱情在西方诗中那样重要,以为它在中国诗中也应该很重要。
他们不知道中西社会情形和伦理思想本来不同,恋爱在从前的中国实在没有现代中国人所想的那样重要。
中国叙人伦的诗,通盘计算,关于友朋交谊的比关于男女恋爱的还要多,在许多诗人的集中,赠答酬唱的作品,往往占其大半。
苏李、建安七子、李杜、韩孟、苏黄、纳兰成德与顾贞观诸人的交谊古今传为美谈,在西方诗人中为歌德和席勒、华兹华斯与柯尔律治、济慈和雪莱、魏尔伦与兰波诸人虽亦以交谊著,而他们的集中叙友朋乐趣的诗却极少。
恋爱在中国诗中不如在西方诗中重要,有几层原因。
第一,西方社会表面上虽以国家为基础,骨子里却侧重个人主义。
爱情在个人生命中最关痛痒,所以尽量发展,以至掩盖其他人与人的关系。
说尽一个诗人的恋爱史往往就已说尽他的生命史,在近代尤其如此。
中国社会表面上虽以家庭为基础,骨子里却侧重兼善主义。
文人往往费大半生的光阴于仕宦羁旅,“老妻寄异县”是常事。
他们朝夕所接触的不是妇女而是同僚与文字友。
第二,西方受中世纪骑士风的影响,女子地位较高,教育也比较完善,在学问和情趣上往往可以与男子欣合,在中国得于友朋的乐趣,在西方往往可以得之于妇人女子。
浙东北(ZDB )三校2015-2016学年第一学期期中考试高二数学 试卷命题学校:平湖中学 命题老师:张春海 审卷老师:刘红霞【考生须知】1.本科考试分试题卷与答题卷,选择题在机读卡上作答,填空和解答题在答题卷上作答;2.本科考试时间120分钟,满分为100分.3.参考公式:球的表面积公式 柱体的体积公式Sh V =24R S π=(R 为球的半径) 其中S 表示柱体的底面积,h 表示柱体的高 球的体积公式 台体的体积公式334R V π=(R 为球的半径) )(31下上下上S S S S h V ++=其中R 表示球的半径 其中21,S S 分别表示台体的上、下底面积 锥体的体积公式 h 表示台体的高Sh V 31=其中S 表示锥体的底面积,h 表示锥体的高.一、选择题(本题共10题,每小题4分,共40分) 1.直线2y +的倾斜角是( ▲ ) A .23π B .3π C .56π D .6π 2.设,m n 是两条不同的直线, ,αβ是两个不同的平面,下列命题中正确的是( ▲ ) A .若αβ⊥,,m n αβ⊂⊂, 则m n ⊥ B .若//αβ,,m n αβ⊂⊂则//m n C .若m n ⊥,,m n αβ⊂⊂则αβ⊥ D .若m α⊥,//m n , //n β ,则αβ⊥ 3.圆()()92422=-+-y x 与圆()4122=++y xA .相交B .内切C .外切D .外离4.一个水平放置的三角形的斜二侧直观图是以B '直角O B A '''∆,若1=''B O ,那么原ABO ∆的面积是( ▲ )A .21B .2C .22D .25.圆01222=--+x y x 关于直线30x y -+=对称的圆的方程是( ▲ )A .221(3)(4)2x y ++-=B .221(3)(4)2x y -++=C .22(3)(4)2x y ++-=D .22(3)(4)2x y -++=6.由直线1y x =+上的一点向圆22(3)1x y -+=引切线,则切线长的最小值为( ▲ ) AB.C .1D .37.已知)0,2(-A ,)0,2(B ,点P 在圆4)4()3(22=-+-y x 上运动,则22PB PA +的最小值是( ▲ ).A.34B.23C. 26D. 248. 点P 是底边长为23,高为2的正三棱柱表面上的动点,Q 是该棱柱内切球表面上的动点,则||PQ 的取值范围是( ▲ )A .1] B .1] C .[0,3] D .1] 9. 已知ABC ∆中,2C π∠=,6B π∠=,2AC =,M 是AB 的中点,沿直线CM 将CBM 折起,若AB =B CM A --的平面角为α,则α的大小为( ▲ )A.4π B. 6π C. 3π D. 2π 10.已知斜三棱柱111ABC A B C -的底面是边长为4的正三角形,侧棱长为5,点D ,E ,F 分别是1BB ,1AA ,1CC , 的中点,若侧棱1AA 与底面三角形的相邻两边都成 60角, 则四棱锥11D AC EF -的体积是( ▲ )A .3 B.3 C.9 D.9FED第 3 页 共 8 页二、填空题(本题共7题,每小题3分,共21分)11. 某几何体的三视图如右图,则该几何体的体积为____ ▲_____ 12.已知圆锥的表面积为3π,且它的侧面展开图是一个半圆,则它的母线长为 ▲ .13.已知直线012=+-y x 与直线2410x y -+=平行,则这两条平行线之间的距离为 ▲ .14. 在三棱锥P -ABC 中,PA ⊥底面ABC ,AC ⊥BC ,PA =AC =BC=2, 则直线PC 与AB 所成角的大小是___ ▲____. 15.若直线m x y +=与曲线24x y -=有且只有一个公共点,求实数m 的取值范围__▲ ____.16. 已知实数,a b 满足:220a b +≠,过点(1,0)M -作直线20ax by b a ++-=的垂线,垂足为N ,点(1,1)P ,则|PN |的最大值为____▲___.17. 如图,在棱长为1的正方体1111ABCD A B C D -中, ,P Q 分别 是线段1CC BD , 上的点,满足PQ ∥平面11AC D , 则PQ 与平面11BDD B 所成角的范围是___▲______三、解答题(本题共5题,共39分) 18. (本题满分6分)已知平面内两点(8,6)A -,B(2,2). (Ⅰ)求AB 的中垂线方程;(Ⅱ)求过点P(2,3)-且与直线AB 平行的直线l 的方程;19. (本题满分7分)如图所示,四棱锥ABCD P -中,底面ABCD 为菱形,且直线PA ⊥平面ABCD ,又棱2PA AB ==,E 为CD 的中点,60=∠ABC .(Ⅰ) 求证:直线EA ⊥平面PAB ;(Ⅱ) 求直线EA 与平面PCD 所成角的正切值.Q1B 1A 1C 1D DPCBA第11题420.(本题满分8分)已知圆C 的圆心在直线350x y +-=上,并且经过原点和点A(3,1)-. (Ⅰ)求圆C 的方程.(Ⅱ)若直线l 过点(1,1)P 且截圆C所得的弦长为3,求直线l 的方程.21(本题满分8分)如图,在四棱锥ABCD P -中, PD ⊥平面ABCD ,ABC ∆是边长为1正三角形,=CD DA = AC 与BD 的交点为M ,点N 在线段PB 上,且12PN =.若二面角A BC P --的正切值为(I )求证://MN 平面PDC ;(Ⅱ)求平面DCP 与平面ABP 所成的锐角的余弦值.22. (本题满分10分)已知圆22:4O x y +=和圆22:220C x y x y +---=, 记两圆的公共弦所在的直线为l . (I)求直线l 的方程.(Ⅱ)设直线l 与x 轴的交点为M ,过点M 任作一条直线与圆O 相交于点,A B ,是否存在x 轴上的定点N ,连接,AN BN ,使得ANM BNM ∠=∠,若存在,求出点N 的坐标,若不存在,说明理由.(第21题)MANCPDB第 5 页 共 8 页浙东北(ZDB )三校2015-2016学年第一学期期中考试高二数学 答题卷命题学校:平湖中学 命题老师:张春海 审卷老师:刘红霞联系电话:张春海 刘红霞一、选择题:(本大题共10小题,每小题4分,共40分)BDCB CACB DA 二、填空题:(本大题共7小题,每小题3分,共21分) 11.23 12.21314.3π15.22m m -≤<=或16 17.(63ππ,]三、解答题:(本大题共5小题,共39分)18.(6分)解:(I )(5,2)AB -两点的中点为;---1分2(6)4283AB k --==--;------------2分34k =中垂线;------------3分34230x y --=中垂线方程为:;------------4分(II )43l k =-;------------5分 4+3+10l x y =的方程为:;------------6分19.(7分)解:(1)证明:∵∠ADE =∠ABC =60°,ED =1,AD =2 ∴△AED 是以∠AED 为直角的Rt △ 又∵AB ∥CD , ∴EA ⊥AB ------------1分 又PA ⊥平面ABCD ,∴EA ⊥PA , ------------2分 ∴EA ⊥平面PAB , ------------3分(2)如图所示,连结PE ,过A 点作AH ⊥PE 于H 点∵CD ⊥EA , CD ⊥PA∴CD ⊥平面PAE ,∴AH ⊥CD ,又AH ⊥PE ∴AH ⊥平面PCD ------------4分6∴∠AEP 为直线AE 与平面PCD 所成角------------6分 在Rt △PAE 中,∵PA =2,AE =3 ∴33232tan ===∠AE PA AEP ------------7分 20.(8分)解:(I )设圆心为00(,53)x x -,则222220000(53)(3)(531)r x x x x =+-=-+-+解得055=33x r =,,所以圆的方程:22525()39x y -=+ -----------------3分 (II )当直线l 垂直于x 轴时,方程为1x =,交点为符合题意-----------------4分当直线l 不垂直于x 轴时,设方程为1(1)y k x -=-,由弦心距三角形得5|1|k k +-=6分 解得512k =-,----------7分 所以方程为5+12170x y -=,综上l 的方程为1x =或5+12170x y -=----------8分 21.(8分) (I )在ACD ∆中由余弦定理得23ADC π∠=, 所以2BCD BCA DCA π∠=∠+∠=,又因为,PD BC PD ABCD ⊥⊥平面所以所以BC PDC ⊥平面,BC ,BC CD PC ∴⊥⊥PCD A BC P ∴∠--为二面角的平面角----------1分tan PCD ∴∠=CD PD ==因为----------2分BD BM MD =+==因为,2PB ∴=第 7 页 共 8 页1,//4PN MDMN PD PB BD∴==∴----------3分 ,//PDC MN PDC PD PDC MN ⊄⊂∴平面平面平面----------4分(II )分别延长,CD AB 交于点G ,则PG 为两个平面的棱----------5分,BE,CE PG ⊥⊥∴⊥作连结因为BC 平面PDCBE PGCEB ∴∠为平面DCP 与平面ABP 所成的锐平面角----------6分因为CE,所以cos CEB ∠== 求平面DCP 与平面ABP22.(10分)(Ⅰ)O 圆与圆C 两边相减得:220l x y +-= ------——————————————————----3分(II )由题意得(1,0)M ,当AB x ⊥轴时显然成立。
江苏省苏州市第五中学2015-2016学年高二上学期期中考试语文试题本试卷总分160分。
考生作答时,将答案写在答题纸上,在本试卷上答题无效。
一、语言文字运用(17分)1在下面一段话空缺处依次填入成语,最恰当的一组是(3分)传统文化中的各个成分,在其发生的时候,是应运而生的,在历史上起过积极作用。
及至▲,它们或者与时俱进,演化出新的内容与形式;或者▲,化为明日黄花。
也有的播迁他邦,重振雄风;也有的▲,未老而先亡。
但是,不管它们内容的深浅,作用的大小,时间的久暂,空间的广狭,只要它们存在过,便都是传统文化。
A.物换星移抱残守缺白驹过隙B.物换星移坚如磐石昙花一现C.时过境迁坚如磐石白驹过隙D.时过境迁抱残守缺昙花一现2.下列各句中,没有语病的一句是(3分)A.尽管顶着诺贝尔文学奖的光环,莫言作品仍然遭到书店退货,这成为文学书籍市场滞销最新的、令人多少有点吃惊的案例。
B.仅仅把学生记住一些知识性的东西,记住教师对文本解读的结果作为目标是不够的,教师还应注意调动学生的学习积极性和创造性思维能力。
C.2013年就在苹果商店上线的“芒果TV”移动应用,能够在近日引爆用户下载,主要得益于《我是歌手》在其网络平台的独家播出而助推的。
D.随着各种手机APP的普及,无形中放大了人们对雾霾的焦虑,因为随手一划就能看到实时的空气质量指数,坏天气带给人的压迫感让你躲无可躲。
3.在下面一段文字横线处填入语句,衔接最恰当的一项是(3分)西塘与乌镇无非是环水之中,粉墙黛瓦、小桥石驳。
可惜这座书卷气十足的江南古镇,能树起大旗、成为撑得起门面的大家的,寥若晨星。
①南浔以其“簪缨世第,蓬荜名儒,相尚藏书,辉炳邑谋”的风采雄称“天下第一镇”,可谓实至名归。
②除了碧水环绕、小桥流水的水乡特色,这里豪宅巨厦、富甲天下,是出“沈万三”的地方。
③相比之下,南浔还有点内涵。
④清代三百年中,南浔出学者四百五十人,著作一千二百种,实乃壮观。
⑤南浔一为丝,一为书,湖丝与茅台酒在1915年巴拿马同获金奖,世人称南浔为“诗丝书之乡”。
2015-2016学年高二上学期期中模拟测试第I卷(三部分共75分)第一部分听力 (共两节,满分20分)第一节 (共5小题;每小题1分,满分5分)1. What is Bob interested in about the book?A. The photos.B. The ideas.C. The data.2. Where does the conversation take place?A. In a hotel.B. On a bus.C. At a cinema.3. What does the woman want to do?A. Buy a ticket.B. Park her car.C. Wait her turn.4. What has Bill done?A. Forgotten his promise.B. Failed to finish his work.C. Repeated his carelessness.5. Which place does the man like to live in?A. A quiet place.B. A lonely place.C. A distant place.第二节 (共15小题;每小题1分,满分15分)听第6段材料,回答第6至第7题。
6. What does the man teach the woman to do?A. Write her report.B. Use her computer.C. Clean her room.7. How does the woman feel in the end?A. Worried.B. Confused.C. Relaxed.听第7段材料,回答第8至第9题。
8. What‟s the legal speed limit?A. 25 miles per hour.B. 65 miles per hour.C. 90 miles per hour.9. What accounted for the man‟s behavior?A. Not focusing on driving.B. Not being good at driving.C. Not knowing the regulations. 听第8段材料,回答第10至第12题。
10. What did the man think of the cloning of humans?A. Acceptable.B. Impossible.C. Unbearable.11. Why are scientists studying cloning at present?A. To reproduce a whole human being.B. To see how the copy looks and acts.C. To replace damaged parts of a body.12. How did the woman get to know about the way to make new medicines?A. From a magazine.B. From some scientists.C. From the man speaker.听第9段材料,回答第13至第16题。
13. How did the man find the movie they saw last week?A. Absurd.B. Boring.C. Excellent.14. Why does the man want to see action movies in a theatre?A. To enjoy them on a big screen.B. To enjoy them with many others.C. To have popcorn for dinner there.15. Which are the woman‟s favourite?A. Seafood and chicken.B. Meat and love stories.C. Fish and action movies.16. What is the talk mainly about?A. Their past experience.B. Their likes and dislikes.C. Their plan for the night.听第10段材料,回答第17至第20题。
17. What does the speaker encourage us to do?A. Raise animals.B. Lose weight.C. Eat healthy.18. What do we learn about people in earlier times from the speaker?A. Free from worry about bad effect of food.B. Busy producing food for others.C. Rich in various food.19. Why do some people give up eating potatoes or rice?A. To stay well.B. To keep slim.C. To eat right.20. How should we control our weight?A. By having a balanced diet.B. By having the same diet.C. By dieting and exercising.第二部分英语知识运用 (共两节, 满分35分)第一节单项填空 (共15小题;每小题1分,满分15分)21. Since _____tidy environment is good for human health , it is important to protect _____environment.A. a ; theB. \ ;theC. a ; \D. \ ; \22. Being an employee is a great way how a business works so that you can open a business of your own.A. of learnB. learningC. to learningD. to learn23. To help make sure that his dream can come true, a trust fund to provide for Nathan‟s college education.A. set upB. has set upC. has been set upD. had been set up24. We have all become addicted to sugar, particularly in soft drinks. Today, sugar consumption is many times it used to be.A. thatB. whichC. whatD. one25. —What‟s the latest news about the fire which happened the day before yesterday?—A total of 87 people died the fire mostly from the smoke breathed in.A. regardless ofB. as a result ofC. in terms ofD. by means of26. The study found that 65.5 percent of high school seniors admitted alcohol in the past year.A. consumedB. consumingC. to consumeD. into consuming27. The moon will be an increasingly important focus of space exploration efforts in the years .A. to comeB. comingC. will comeD. come28. He said that it was I who was to blame. I my best friend.A. couldn‟t have betrayedB. mustn‟t have betrayedC. shouldn‟t have betrayedD. shouldn‟t betray29. “The Mozart effect” is a study described in 1993 in Nature _______ ar oused public interest about the idea_______ listening to a classical music somehow improves the brain.A. that; whichB. what; whyC. who; thatD. which; that30. Martinez told the police that when he passed by the gate last night, two men about who should payfor the damage.A. arguedB. have been arguingC. had arguedD. were arguing31.The experts have given some practical advice ______ the problems that most people are concernedabout in food safety.A. in charge ofB. in honor ofC. in favor ofD. in regard to32. When the customer with no legs said he needed a pair of shoes, the salesman stoodthere idea what he should say.A. having notB. having noC. not havingD. not to have33. Plastic can be recycled too, but there may be harmful gases during the process.A. got offB. put offC. let offD. turned off34. In 2011, the produced 68, 000 tons of beer, bringing about 120 million yuan of sales income and 54 million yuan of tax profit.A. conservationB. administrationC. corporationD. permission35. --- I‟ve nothing on me except this ten-yuan note to donate, I‟m afraid.--- Never mind. ______. We really appreciate your assistance.A. Every little helpsB. The more, the betterC. It‟s better to give than to receiveD. No one is perfect第二节完形填空 (共20小题;每小题1分,满分20分)Recently a well-known newspaper agency published an article recently that shows great regret for the “death of conversation”. It suggests that while technology such as cell phones, e-mails, and Internet posting makes us feel more __36__ than ever, they‟re also driving us __37__ from people around us.Users get final connectivity __38__ the price of __39__ face-to-face conversation. Sherry Turkle, author of the article says people are __40__ to a different way of being “alone together”.Actually, __41__ text messages or wring micro-blogs allows us to __42__ thoughts. __43__ bits and pieces of online cannot __44__ a “real conversation.” Lan Guo, 19, a freshman English major from Changsha University, said that she would like to hear peopl e's tone of voice and see their faces in a(n) __45__. “The give and take of ideas in a conversation sharpens our minds.” she said. She also mentions that __46__ ourselves in mobile technology reduces our chance of starting conversations with strangers and __47__ people.Turkle mentioned the popular __48__ of “I share, therefore I am” among this generation. Liu Xuan, a young writer from Taiwan and psychology graduate from Harvard University, thinks it's a mindset adopted by most young people. They are so busy creating or polishing their online personality that they forget how to live a(n) __49__ life. For example, they may __50__ more about blogging about attending a party rather than enjoying being __51__.__52__,experts remind us that it's unfair to blame mobile technology. Chen Chen, a sociology expert at China Youth & Children Research Center, points out that it is still owners of gadgets, such as cell phones and tablets, who're avoiding personal __53__. We take advantage of these devices to hide ourselves __54__ others. Texting messages or calling may be a(n) __55__ to avoid contact with others, such as having eye contact. “Only by strengthening conversation can we understand each other. Simply throwing away the mobile gadgets is not a solution.” she sai d.36.A. received B.shared C.connected D.respected37.A. off B.back C.away D.down38.A. beyond B.at C.for D.above39.A. having B.risking C.sacrificing D.sharing40.A. related B.committed C.devoted D.accustomed41.A. sending B.getting C.reading D.taking42.A. change B.exchange C.deliver D.raise43.A. So B.And C.Or D.But44.A. indicate B.replace C.cover D.involve45.A. conversation B.computer C.party D.Internet46.A. abandoning B.joining C.burying D.attaching47.A. interviewing B.introducing C.knowing D.meeting48.A. feeling B.concept C.fact D.truth49.A. colorful B.interesting C.real D.meaningful50.A. worry B.care C.ask D.debate51.A. there B.out C.down D.in52.A. Therefore B.Altogether C.Instead D.However53.rmation B.space C.contact D.management54.A. from B.of C.behind D.under55.A. approach B.source C.result D.excuse第三部分:阅读理解(共10小题;每小题2分,满分20分)ADear Mayor,I would like to draw your attention to the depressing state of the environment in our city. Increased vehicles have made the air polluted. Citizens find it difficult to breathe. Dumping harmful chemicals into the river has polluted the drinking water and ground water.All of us, as concerned citizens, have discussed these problems in various meetings. We have come up with the following proposals(提议).The green roads are no longer green. Many trees and bushes have been cut. We propose restricting the movement of vehicles. Besides, we should make it compulsory(强制性的)to use anti-pollution devices on all vehicles. We should also plant more plants and trees along roads.The Bada Nadi River has become a dumping ground of harmful chemicals from some factories. These harmful chemicals have killed nearly all the life in the river and polluted our drinking water and ground water. We propose that the Bada Nadi River be declared a protected water body. All the dumping should be banned and heavy fine should be imposed on the offenders(违法者). To tackle the problem of managing harmful waste, we propose setting up a water treatment plant so that only clean water is discharged into the river. Cleaning up the river and introducing various fishes and plants to the river will bring it back to life.Lastly, the noise pollution caused by honking(鸣)horns and blaring loudspeakers has caused distress to one and all. Many people have suffered from noise-related illnesses. We propose a blanket ban on the use of loudspeakers. And“no horn zones”should a lso be declared in residential hospitals and school areas.I would request you to seriously consider our proposals and act accordingly.Thank you!Sincerely yours,A kind-hearted citizen56. The author wrote this letter in order to ______.A. express his/her thanks to the mayorB. complain about the environmentC. share his/her opinions about city lifeD. make his/her suggestions on managing noise pollution57.In order to protect the Bada Nadi River, the author suggests _______.A. anti-pollution devices should be used on vehiclesB. planting more trees and bushes along roadsC. restricting the movement of vehiclesD. banning dumping dangerous chemicals into the river58. The underlined word“tackle”in the fourth pa ragraph means“_______”.A. put offB. deal withC. set upD. turn downBIt's a name that needs no address.Everyone knows Santa Claus lives at the North Pole.So letters sent to Santa Claus find their way to the small town of the North Pole deep in Alaska,including those simply sent to st year,120,000 letters arrived from 26 countries,not including the thousands with no return addresses.Those who have return addresses usually get a reply and a North Pole postmark(邮戳)that has delighted children all over the world for many years.They feel happy to receive Santa's reply.Letters arrive all the year around in the town of 1,600,where streets have names such as Santa Claus Lane and Kris Kringle Drive. Around Thanksgiving,they start getting there by the thousands each day as Christmas comes. Even letters without stamps get through,an exception(例外)for the U.S. Postal Service.“This is special because it has Santa's name on it,” said Debra Cornelius,an officer at the main post office in nearby Fairbanks,where the letters are kept during the holiday.Gabby Gaborik is among several dozen volunteers who are busy sending off replies to children who sent return addresses.In his 10 years as a volunteer,Gaborik has seen every kind of wish. There are children who want the latest toys they see on TV. There are children who ask for miracles(奇迹),some wanting their mother back for Christmas or their father back from Iraq,even though he died there.Replies get a North Pole postmark,including a halfmoon drawing of Santa's face. Even late letters get a reply,Gaborik said,“It says something like …Thanks for writing. Santa's been really busy,‟anything the children might want to hear,”he said.59. Letters written to Santa Claus without an address can arrive at the North Pole because ____.A.all letters without an address are sent there B.people believe that Santa Claus lives thereC.this kind of letter is sent with a special postmark D.streets named Santa Claus Lane can be found there 60. The underlined word “delighted” in Paragraph 3 can be replaced by “______”.A.excited B.frightened C.confused D.disappointed61. What's the best title for the text?A.Letters written to parents B.All kinds of wishes from childrenC.Letters to Santa Claus rush into Alaska D.North Pole,Alaska,a beautiful placeCIf you're networking (建立人际关系) and nothing is happening, you might need to evaluate how you're doingit. Maybe you show up at each event and still feel challenged by the process. You aggressively talk to people, give out your cards, call endlessly to schedule an appointment but have no real success from your efforts. To help you gain a different future, here are ten habits you should avoid.Ineffective networkers:1. Lack patience. They expect immediate results and want business now, not tomorrow.2. Constantly “selling” something. They see dollar signs every time they shake hands with someone.3. Too many choices. If they offer a variety of products, they might try too hard to tell about all of them. Offering too much information sends a confusing message making it difficult for people to send referral (指点). Opportunities are all around us but when you're networking, only focus on one.4. Change positions too often. If they move from company to company or do something totally different, it might be difficult for people to keep up with them.5. Lack manners and respect. They interrupt others, talk with food in their mouth, aren't very polite and appear unprofessional. They call people during dinner or on the weekends without thinking whether the occasion is suitable.6. Distribute too many cards and sales literature. They come while loading with brochures, flyers (传单), catalogues and samples.7. Focus on themselves. Too much self-promotion can leave the other person to feel unappreciated. Every sentence begins with “I” and is all about their business.8. “Talking” instead of “giving”. They don't realize what other people sense when they are being very selfish. Others may think that they are being taken advantage of.9. Lack authenticity (可靠性) and personal values. They may create unrealistic expectations and not deliver on their promises. Sometimes doing things without integrity (诚实) possibly twists the truth.10. Poor communication and interpersonal skills. They have trouble speaking effectively, building relationships and following up.Networking is a process that is an investment of time and money. If you find you're doing any of these habits, consider learning how to improve on these and maximize your results while networking. You'll start to get better at connecting with people and obtain more referrals.62. This passage is meant for people who ______.A. want to do more businessesB. often take instead of givingC. have poor communication and interpersonal skillsD. want to improve their interpersonal relationship63. According to the second habit, we shouldn't ______ when we are networking.A. sell thingsB. talk about dollarsC. pay attention to money onlyD. shake hands with everyone64. When talking with others, you should ______.A. give out your cards and brochures every now and thenB. talk about the quality of your product as much as possibleC. interrupt others when they make a mistakeD. let other people express themselves completely65. Which of the following is NOT correct about a salesman's behavior?A. He offers too much self-promotion during the conversation.B. He considers carefully when he can get what he expects.C. He only focuses on one opportunity when networking.D. He keeps his promises and doesn't expect too much from others.第Ⅱ卷(共45 分)第四部分:任务型阅读(共10小题;每小题1分,满分10分)请认真阅读下列短文,并根据所读内容在文章后表格中的空格里填入一个..最恰当的单词。