梅州中学2020┄2021学年度第一学期高一期中考试试卷
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广东省梅州市高一上学期语文期中考试试卷姓名:________ 班级:________ 成绩:________一、选择题 (共3题;共8分)1. (2分)下列各句中,没有错别字的一项是()A . 这也向我们表明了它没有倒退,没有陷入一蹶不振的地步,而是脱掉了衰朽腐败的陈皱表皮,经历了阵痛而重获青春,从此步入足以垂懿范于今的真理与盛德的光辉坦途。
B . 诗使万物变得可爱。
它使美的东西锦上添花,使畸形的东西变得美丽;它使狂喜与恐惧、悲伤与快乐、永恒与变幻谛结姻缘;在它柔和的压力下,势不两立的事物变得彼此相容。
C . 我们这些蹩脚的作家、搅乱宁静的人,我们意识到,按照民族革命的道理来看,轰轰隆隆的警喻世人的陈词烂调最后可能反过来断送我们追求的目标。
D . 闯黄灯到底该怎么惩罚,在公民意识勃兴时代,征询民意,遵循公意,制定公共政策便可少一些左支右拙;避免朝令夕改,也才能树立新规权威,实现与民意的共振与共赢。
2. (4分) (2020高一下·黄山期末) 阅读下面的文字,完成下列小题。
以高铁为镜,我们砥砺苦练内功的自主创新品格。
十几年前,高铁技术还掌握在少数几个发达国家手中。
中国冲破技术封锁,弯道超车,,靠的就是自主创新。
从车辆到线路,从制动到通信信号,没有技术,就从国外引进消化吸收;()。
一步一个台阶,中国高铁企业苦练内功、,实现了国人高铁产业腾飞的梦想。
以高铁为镜,我们涵养精益求精的大国工匠精神。
,中国制造面临过这样的尴尬:号称是世界工厂、制造大国,老百姓却,去国外抢购保温杯、电饭煲、马桶盖等普通日用品。
中国铁路凤凰涅槃的过程,为中国制造突围提供了有益借鉴。
如今,中国高铁的检验标准精确到了0.01毫米以内;为了突破碰撞安全防护系统关键,我们做了18种概念模型,历经近百次试验验证和仿真计算,仅仿真计算生成的结果数据就高达5000G。
解码中国高铁成功的深层次密码,以优取胜的品质意识,精益求精的工匠精神,是最重要的关键词。
梅州中学2020┄2021学年度第一学期高一年级月考<2>化学科试题本卷满分100分,考试时间50分钟可能用到的相对原子质量:N-14、O-16、Na-23、Cu-64第一部分选择题(共52分)符合题意,各4分,共40一.单项选择题(本题包括10小题,每小题只有一个选项......分)1.关于物质的类别或成分,下列说法正确的是()A.食盐水、糖水和冰水都是饮料,故都属于混合物B.盐酸、硫酸、硝酸、NaHSO4都能电离出氢离子,故都属于化合物中的酸C.石灰水的主要成分是CaO,石灰石的主要成分是CaCO3D.烧碱属于碱,纯碱(Na2CO3)属于盐2.下列物质中,属于电解质是()A.Fe丝 B.熔融的NaCl C.KCl溶液 D.酒精3.下列说法正确的是()A.溶液、胶体和浊液的本质区别在于分散质粒子的直径不同B.金属氧化物都属于碱性氧化物C.非金属氧化物都属于酸性氧化物D.氧化还原反应的本质是化合价发生升降4.下列鉴别方法不可行的是()...A.用光照的方法鉴别硫酸铜溶液和氢氧化铁胶体B.用稀硫酸来鉴别BaCl2、NaCl、Na2CO3三种溶液C.用BaCl2溶液和稀硝酸来鉴别Na2SO4和AgNO3两种溶液D.用CCl4来鉴别FeCl3溶液和碘水5.下列电离方程式错误的是()A.K2CO3=== 2K++CO32— B.NaHSO4===H++SO错误!+Na+C.KHCO3===K++H++CO32— D.NH4Cl===NH4++Cl—6. 用N A表示阿伏加德罗常数的值,下列叙述中正确的是()A.常温常压下,28 g氮气所含的原子数为2N AB.22.4 L甲烷(CH4)所含的原子数为5N AC .0.5 molCuO 的摩尔质量为40g/mol D. 2L 1mol·L -1K 2SO 4溶液中离子的总数为3 N A7.下列实验装置设计正确、且能达到目的的是( ) A B CD实 验分离碘酒中的碘和酒精除去乙醇中的水配置一定的物质的量浓度的稀硫酸溶液分离沸点不同且互溶的液体混合物装 置 或 仪 器8.下列各组离子中,在酸性..无色..透明的溶液中能大量的是( ) A .K +、HCO 3-、Na +、SO 42- B .NH 4+、SO 42-、Ba 2+、Cl - C .Na +、MnO 4-、NO 3-、K + D .Na +、SO 42-、Mg 2+、Cl -9.下列溶液中的氯离子数目与50 mL 1 mol/L 的AlCl 3溶液中氯离子数目相等的是( )A .75 mL 2 mol/L 的CaCl 2B .150 mL 1 mol/L 的NaClC .150 mL 3 mol/L 的KClD .100 mL 2 mol/L 的NH 4Cl 10.下列化学反应中,属于氧化还原反应的是( )A .Na 2CO 3+BaCl 2 === BaCO 3↓+2NaClB .2AgNO 3+Cu === Cu (NO 3)2+2AgC .2NaHCO 3错误!Na 2CO 3+CO 2↑+H 2OD .Na 2O +H 2O === 2NaOH 二.双项选择题(共2小题,每小题6分,共12分。
梅州中学2020┄2021学年度第一学期高一年级月考<1>化学科试题本卷满分100分,考试时间50分钟可能用到相对原子质量:H-1、C-12、O-16、N-14、 Na-23、S-32、Cl-35.5、Cu-64第一部分选择题(共52分)符合题意,各4分,共40一.单项选择题(本题包括10小题,每小题只有一个选项......分)1.进行化学实验必须注意安全,下列说法正确的是()A.不慎将酸液溅到眼中,应立即用水冲洗,边洗边眨眼睛B.不慎将浓碱液沾到皮肤上,要立即用大量的稀硫酸冲洗C.酒精灯着火时可用水扑灭D.稀释浓硫酸时,可往装有一定体积浓硫酸的量筒中,慢慢加入水2.下列实验操作正确的是()A.用试管取出试剂瓶中的Na2CO3溶液,发现取量过多,为了不浪费,又把过量的试剂倒入试剂瓶中B.蒸馏石油时,应使温度计水银球放在蒸馏烧瓶的支管口处C.分液操作时,上层液体经分液漏斗下口放出D.为了便于操作,浓溶液稀释或固体溶解可直接在容量瓶中进行3.下列实验能达到目的的是()A.将蒸发皿放置在铁架台的铁圈上,并加垫石棉网加热B.加稀盐酸后过滤,除去混在铜粉中的少量镁粉和铁粉C.用玻璃棒搅拌漏斗中的液体以加快过滤的速度D.加入盐酸以除去硫酸钠中的少量碳酸钠杂质4.对下列实验过程的评价,正确的是()A.某固体中加入稀盐酸,产生了无色气体,证明该固体中一定含有碳酸盐B.某溶液中滴加碳酸钠溶液产生白色沉淀,说明原溶液含有Ba2+C.某无色溶液滴入紫色石蕊试液显红色,该溶液一定显碱性D.验证烧碱溶液中是否含有Cl—,先加足量的稀硝酸除去OH—,再加入AgNO3溶液,有白色沉淀,证明含Cl—5.下列对于“摩尔”的理解正确的是()A.摩尔是国际科学界建议采用的一种物理量B.摩尔是物质的量的单位,简称摩,符号为molC.摩尔可以把物质的宏观数量与微观粒子的数量联系起来D.国际上规定,0.012kg碳原子所含有的碳原子数目为1摩6.下列叙述正确的是()A.1 mol H2O的质量为18 g/molB.CH4的摩尔质量为16 gC.3.01×1023个SO2分子的质量为32 gD.2 mol NaOH溶于 1 L水中配成溶液的浓度为 2 mol·L―1 7.下列有关阿佛加德罗常数(N A)的说法错误的是()A.32gO2所含的原子数目为N A B.0.5molH2O含有的原子数目为1.5N A C.1molH2O含有的H2O分子数目为N A D.05N A个氯气分子的物质的量是0.5mol8. 用N A表示阿伏加德罗常数,下列叙述正确的是()A.标准状况下,22.4L酒精含有的分子数为 N AB.常温常压下,1.06g Na2CO3含有的Na+ 离子数为0.01 N AC. 11.2 L H2所含的电子数为N AD.通常状况下,N A 个CO2分子含有原子数为3 N A9.在标准状况下,所占体积最大的是()A.98 g H2SO4 B.6.02×1023个N2分子 C.44.8 L HCl D.6 g H210.将30 mL 0.5 mol/L NaOH溶液加水稀释到500 mL,稀释后溶液中NaOH的物质的量浓度为()A.0.03 mol/L B.0.3 mol/L C.0.05 mol/L D.0.04 mol/L 二.双项选择题(共2小题,每小题6分,共12分。
广东省梅州市高一上学期语文期中联考试卷姓名:________ 班级:________ 成绩:________一、选择题 (共6题;共12分)1. (2分)下列词语中划线的字,每对读音都不相同的一项是()。
A . 会晤/唔言眷属/誊写称心如意/称呼B . 啼泣/缔结婉解/手腕蓦然回首/模拟C . 禁受/禁锢悲恸/痛心妻离子散/散漫D . 虐待/戏谑毋宁/宁静不肖子孙/肖像【考点】2. (2分) (2016高一下·大同期中) 下列各组词语中,字形完全正确的一项是()A . 洗漱纳罕孽根祸胎懵懂顽童B . 寒喧踌躇惴惴不安瘦消不堪C . 残骇桅杆司马轻衫咀嚼赏鉴D . 抚赝缭倒恬然自安赴汤蹈火【考点】3. (2分)下列各句中,划线词语使用恰当的一句是()A . 孩子们为什么老丢三落四、得鱼忘筌?归结起来,主要有两个原因:一是年龄小,自理能力差,不懂得收拾保管自己的物品;二是有些家长无原则地满足孩子的要求。
B . 为了用合理的时间规划高成功率地实现美国名校梦想,越来越多的家长以入读美国私立高中作为进入世界名校的跳板,而选择直升美国精英高中。
C . 国际汉语教师去到国外,代表着中国,他的中国文化学识修养、他对教学方法的熟悉程度、与学生交流过程中的情绪和礼仪的表达,都会影响到汉语言和文化传播的效率。
D . 尽管在一系列的打折措施中,铁路会失去太多的利益,降低运营的利润空间,但是收获的却是市场的认可,还有民意,正所谓失之东隅,收之桑榆。
【考点】4. (2分) (2017高二下·辽宁期中) 下列各句中,没有语病的一句是()A . 在身体所需的碳水化合物、蛋白质、脂肪、维生素等几大营养素中,矿物质在身体重量的比重不超过5%。
B . 互联网技术的进步,尤其是社交媒体的发展,图书能够便捷有效地抵达用户,阅读人群快速扩大,这在10年前是不可想象的。
C . 公车改革的目的是更高效、科学地监控用车,政府机关向滴滴购买出行用车服务,旨在转变政府职能,以互联网方式管理政务的重要尝试。
梅州市2020-2021年度高一上学期语文期中考试试卷D卷姓名:________ 班级:________ 成绩:________一、情景默写 (共1题;共9分)1. (9分) (2019高二下·鄱阳期中) 补写出下列句子中空缺部分。
(1)李密的《陈情表》结尾处运用乌鸦反哺的典故写道“________,________”以表达自己决心奉养祖母到最后的愿望。
(2)李白在《梦游天姥吟留别》中写夜色降临后,山谷传来震天动地的野兽咆哮声,山林峰峦因此而震动发抖的奇异景象的句子是“________,________”。
(3)《长恨歌》中描摹杨贵妃的绝顶美艳与万种风情的句子是“________,________”。
二、文言文阅读 (共2题;共27分)2. (11分) (2019高三上·绵阳月考) 阅读下面的文言文,完成下面小题。
高若讷,字敏之,本并州榆次人,徙家卫州。
进士及第,补彰德军节度推官,再迁太常博士、知商河县。
御史知杂杨偕荐为监察御史里行,知谏院。
时范仲淹坐言事夺职知睦州,余靖、尹洙论救仲淹,相继贬斥。
欧阳修乃移书责若讷曰:“仲淹刚正,通古今,行中无比。
以非辜逐,君为谏官不能辨,犹以面目见士大夫,出入朝廷,是不复知人间有羞耻事耶!”若讷以其书奏,贬修夷陵令。
王蒙正知蔡州若讷言蒙正起裨贩因缘戚里得官向徙郴州物论犹不平今予之大州可乎诏寝其命。
大庆殿设祈福道场,若讷奏曰:“大庆殿,国之路寝也,岂可聚老、释为渎慢?”又奏三公坐而论道,今二府对才数刻,何以尽万几?宜赐坐从容,如唐延英故事。
丁母忧。
服除,以右谏议大夫权御史中丞。
时宰相贾昌朝与参知政事吴育数争事上前。
明年春,大旱,帝问所以然者,若讷曰:“大臣不肃,则雨不时若。
”于是昌朝及育皆罢,若讷遂代育为枢密副使。
王则据贝州,讨之,逾月未下,或议召降。
若讷言:“河朔重兵所积,今释不讨,后且启乱阶。
”及破城,知州张得一送御史台劾治。
有臣贼状。
朝廷议贷死,若讷谓:“守臣不死自当诛,况为贼屈?”得一遂弃市。
广东省梅州市2020-2021年度高一上学期期中政治试卷(I)卷姓名:________ 班级:________ 成绩:________一、单选题(题型注释) (共20题;共40分)1. (2分) (2018高一上·揭阳期末) 随着供给侧改革不断深入,如何化解过剩产能,处置“僵尸企业”成为亟待解决的问题。
专家建议应科学制定政策,采取政府主导、市场倒逼的“僵尸企业”退出机制。
这一机制的合理传导路径是()A . 价值决定价格→供需失衡→价格下跌→政府调控→缩减产能B . 市场决定价格→成本上升→效益降低→获利减少→企业转产C . 市场供过于求→产品积压→开工不足→战略调整→转产或退出D . 市场供过于求→竞争弱化→企业亏损→政府调控→转产或退出2. (2分)为了密切家校联系,很多学校都开通了校讯通短信服务。
通过订制校讯通,家长可及时了解自己孩子的各种信息、学校的各项通知等。
材料中的“校讯通短信服务”()A . 是商品,因为具有使用价值B . 不是商品,因为不具有使用价值C . 是商品,因为是用于交换的劳动产品D . 不是商品,因为它没有用于交换3. (2分) (2015高一上·湖北期中) 随着苹果公司推出新一代手机产品iPhone6,iPhone5s的价格也随之下降,降幅在人民币千元以上。
iPhone5降价的根本原因在于()A . 生产iPhone5的社会劳动生产率提高B . iPhone5产品供过于求C . iPhone5的性能、外观落后D . 苹果公司通过降价获得更多的市场份额4. (2分) (2017高一上·绵阳期末) 近年来以微信、支付宝为代表的移动支付迅速发展,使用纸币的频率越来越低。
有专家认为,“轻现金社会”正悄然而至。
据此我们可以推断()A . 纸币的本质和职能已发生根本变化B . 移动支付因其安全、便捷等特性将呈走强趋势C . “轻现金社会”人们可以拒收人民币D . 移动支付业务发展将使我国进入无纸币时代5. (2分) 2014年春节期间,某超市豆角涨价幅度很大,每千克达到18元,同一时间羊肉的价格是每千克80元。
梅州市2020年高一上学期语文期中考试试卷(I)卷姓名:________ 班级:________ 成绩:________一、选择题 (共1题;共6分)1. (6分)(2019·绥化模拟) 阅读下面的文字,完成下面小题奖赏违法行为举报人,不妨引入“罚款分享”制度。
有一个令人印象深刻的例子:美国百强企业辉瑞公司长期存在不当营销行为,2009年________,被美国司法处以二十三亿元的高额罚金,其中的一亿两千万美元由六名举报人分享,每人平均得到两千万美元的奖金,调查之初,由于辉瑞公司行事隐秘,美国司法部________。
幸有辉瑞公司和医院内部知情者举报,案子才________,真相最终大白于天下。
这是美国实行举报人分享罚金制度以来,颁发的奖金最高的一次。
正是有巨额奖金的激励,才有人站出来提供线索,_________者才能受到相应的处罚。
虽然我国和美国国情不同,社会制度不同,但美国的“罚款分享”制度值得我们借鉴。
()。
证人、举报人的生存权利与人身安全如果都没有保障,百姓即使都有一颗善良、正义的心,以后谁还愿意冒着生命危险于不顾检举犯罪线索?因此,有必要完善举报人人身、财产保护等制度,细化权利保护程序,千方百计保护好举报人。
(1)下列在文中括号内补写的语句,最恰当的一项是()A . 重奖举报人不难做到,但完善举报人保护机制并非易事B . 我们不仅要重金奖赏举报人,还要完善举报人保护机制C . 建立重金奖赏举报人的制度很有必要,建立举报人保护机制也很有必要D . 我们既要借鉴美国的“罚款分享”制度,还要借鉴其举报人保护制度(2)依次填入文中横线上的成语,全都恰当的一项是()A . 东窗事发不知所措否级泰来以身试法B . 祸起萧墙束手无策否极泰来铤而走险C . 东窗事发束手无策峰回路转以身试法D . 祸起萧墙不知所措峰回路转铤而走险(3)文中画横线的句子有语病,下列修改最恰当的一项是()A . 证人、举报人的生存权利与人身安全如果都没有保障,即使百姓都有一颗善良、正义的心,以后谁还愿意不顾生命危险举报犯罪线索?B . 如果证人、举报人的生存权利与人身安全都没有保障,百姓即使都有一颗善良、正义的心,以后谁还愿意冒着生命危险提供犯罪线索?C . 证人、举报人的生存权利与人身安全如果都没有保障,百姓即使都有一颗善良、正义的心,以后谁还愿意置生命危险于不顾举报犯罪线索?D . 如果证人、举报人的生存权利与人身安全都没有保障,即使百姓都有一颗善良、正义的心,以后谁还愿意冒着生命危险提供犯罪线索?二、现代文阅读 (共3题;共27分)2. (6分) (2020高三上·淮北模拟) 阅读下面的文字,完成下面小题。
广东省梅州中学2020-2021学年高一上学期第一次阶段性考试化学试题一、单选题(★) 1. 我们生活在千变万化的物质世界里。
下列变化中,没有发生氧化还原反应的是()A.爆竹爆炸B.木炭燃烧C.钢水浇铸D.电解水(★★) 2. 焰火让70周年国庆更加辉煌壮观,这些五彩缤纷的焰火与焰色试验有关。
下列说法正确的是()A.焰色试验中需用盐酸洗净铂丝B.焰色试验一定发生化学变化C.焰色试验只能鉴别金属单质D.用光洁的铂丝蘸取某溶液,灼烧时观察到黄色火焰,说明一定含Na+,不含K+(★★) 3. 下列物质属于电解质且能导电的是()A.铜B.食盐水C.熔融状态烧碱D.蔗糖(★★) 4. 下列各物质的分类、名称(或俗名)、化学式都正确的是 ( )A.碱性氧化物氢氧化钙Ca(OH)2B.酸性氧化物二氧化碳CO2C.酸硫酸H2S D.盐烧碱Na2CO3(★★) 5. 美国科学家用某有机分子和球形笼状分子C 60制成了“纳米车”(如图所示),每辆“纳米车”是由一个有机分子和4个C 60分子构成,直径约6到9纳米。
“纳米车”可以用来运输单个的有机分子。
下列说法正确的是()A.人们用肉眼可以清晰看到“纳米车”的运动B.C60是一种新型的化合物C.C60与石墨不是同素异形体D.用激光笔照射该物质分散在蒸馏水中形成的分散系,光线通过时出现明亮的光路(★★) 6. 下列各组的两种物质在溶液中的反应,可用同一离子方程式表示的是A.氢氧化钠与盐酸;氢氧化钠与碳酸B.BaCl2溶液与Na2SO4溶液;Ba(OH)2溶液与NaHSO4溶液C.Na2CO3溶液与硝酸溶液;CaCO3与硝酸溶液D.石灰石与硝酸;石灰石与盐酸(★★) 7. 下列离子能大量共存的是()A.无色透明的溶液中:Cu2+、K+、SO、NOB.无色酚酞试液呈红色的溶液中:Na+、K+、SO、COC.含有大量Ba(NO 3)2的溶液中:Mg2+、NH、SO、Cl-D.紫色石蕊试液呈红色的溶液中:Ca2+、K+、HCO、NO(★★★) 8. 在电解质溶液的导电性实验(装置如图所示)中,若向某一电解质溶液中逐滴加入另一溶液时,灯泡由亮变暗,至熄灭后又逐渐变亮的是A.硫酸铜溶液中逐滴加入氢氧化钡溶液B.盐酸中逐滴加入氢氧化钠溶液C.硫酸中逐滴加入氯化钡溶液D.盐酸中逐滴加入硝酸银溶液(★★★) 9. 单质到盐的转化关系可表示为:下述转化关系不正确的是()A.Na Na 2O NaOH CH3COONa B.Mg MgO MgCl 2 MgSO4 C.C CO 2 H2CO3 CaCO3D.S SO 2H2SO3 Na2SO3(★★) 10. 下列电离方程式书写正确的是A.把H2SO4放入水中:H2SO4=H2++B.把Ba(OH)2放入水中:Ba(OH)2=Ba2++C.把NaHSO4放入水中:NaHSO4=Na++H++D.把CaCl 2放入水中:CaCl2=Ca2++(★) 11. 下列说法不正确的是A.利用丁达尔现象可以鉴别胶体和溶液B.在豆浆里加入石膏做豆腐与胶体的聚沉有关C.胶体与其他分散系的本质区别是胶体粒子的直径在1~100nmD.KCl溶液、淀粉溶液和纯水都属于分散系(★★★) 12. 宋代著名法医学家宋慈所著的《洗冤集录》中有“银针验毒”的记载。
广东省梅州市2020版高一上学期语文期中考试试卷(I)卷姓名:________ 班级:________ 成绩:________一、选择题 (共5题;共5分)1. (1分) (2017高二下·溧水期中) 下列划线词语读音正确的一项是()A . 葳蕤wēi 陈蒿hāo 戮没mò萆山pí 变徵之声zhǐB . 饭镬huò壁龛kān 离间jiān 裨将pí 机弩矢nǔC . 牛蒡bànɡ 贫瘠jí偻行lǚ睥睨pì 齐衰之服zīcuīD . 殷勤yīn蜾蠃luǒ 螫针shì脾胃pí 冠盖相属shǔ2. (1分)下列词语中没有错别字的一组是()A . 催促军帐噤若寒蝉胜券在握B . 暮霭竞然不勘入目不屈不挠C . 天堑箫鼓寥若辰星九宵云外D . 嘉宾夜暮嘻笑怒骂童叟无欺3. (1分)依次填入下列各句横线处的词语,最恰当的一组是()①目前,在青少年中盛行网络语言,但这种语言终究不适宜正式使用。
②新版《红楼梦》的定妆照刚一出炉,即遭遇了“连环雷”,尤其是对金陵十二钗的,更是“雷”声阵阵。
③“执政为民”还要求我们每一个国家工作人员能为百姓提供便当的服务。
A . 场合妆饰简捷B . 场所妆饰简洁C . 场所装饰简洁D . 场合装饰简捷4. (1分)因误用了一个逗号以致造成意思含混的一个句子是()A . “我要回去!”他忽然站起来,说。
B . 说得真痛快,动人心,鼓壮志,气冲斗牛,声震天地!C . 一路上,山形树态,掌故传说,他都描述得真真切切,活鲜鲜的。
D . 最引人注意的是大圆顶上,竖立着一个金光灿灿的镏金铁塔。
5. (1分) (2017高二上·邯郸期末) 下列各句中,没有语病的一项是()A . 据高德地图和交通部科学研究院的报告显示,在共享单车项目推出之后,广州和深圳的交通拥堵程度分别下降了6.8%和4.1%。
2020-2021学年广东省梅州市平远县高一上学期期中考试英语试题1. Are you worried about moving up to senior high?It can be a new experience,but you shouldn't worry. We 've put together a guide on how to survive the first week.You're not alone!Remember,everybody else in your year is on the same boat. They may not realize it,but they're just as nervous as you are. Moving to senior high is an opportunity,not a problem. Things are different and all you need to do is be polite and learn the new rules.Teachers are ready to help!If you are unsure what to do or are worried about anything. then you had better ask for help. Teachers are probably the best people to turn to as they're experienced in helping new students. Some senior high schools also have a “friends system”. If your school has this,then you will be paired with an older student. They will look out for you and help you if you have any problems or questions.All change.There are lots of differences between junior high and senior high. You'll have a homework diary or a student planner. You will have your lessons with different teachers in different rooms. You will have homework for different subjects on different days,so make sure you get organized. Make sure you have a copy of your school timetable written down so you know which rooms your classes are in and on which days you will have your different subjects.Other points:If you've got an elder brother or sister at the school then ask them for advice.Be yourself!It sounds simple,but people will know you much better if you just act naturally. Having early nights makes a difference and you'll find it easier to get up in the morning!1. Which of the following is closest in meaning to the underlined sentenceA.Other students have similar feelings to yours.B.Other students have to learn boating with you.C.Other students will help you solve your problems.D.Other students will teach you politeness and new rules.2. The new students could turn to teachers first when having problems because .A.teachers won't blame them as parents doB.teachers are good at helping solve problemsC.teachers are equal to every studentD.parents are too busy to help them3. What's the purpose of the passageA.To tell students the importance of learning.B.To warn students not to ignore friendship in senior high.C.To make a difference when moving up to senior high.D.To help new students to get used to the life in senior high,2. When Jenny Benson was eight, her mother took her to soccer practice for the first time. “She’s never played soccer before,” Mrs Benson told the coach.“I’m not sure how she’ll do.”Jenny ran onto the field and joined the other players. Over the next hour, Mrs Benson and the coach watched as Jenny out-ran many of the more experienced players.“I knew then that soccer would be Jenny’s sport.” Mrs Benson recalls. And she was right.It may have helped that Jenny had spent much of her time trying to keep up with her three brothers.“I wanted to be just like them,” Jenny says.“My family has inspired me for my entire life.”Jenny has retired from the United States women’s national soccer team. She started out on her professional career in the Philadelphia Charge, a team in the Women’s United Soccer Associ ation (WUSA).Later on, she joined FC Energy Voronezh, and then New Jersey Wildcats.When the WUSA was being formed, league officials watched many college soccer games, looking for players good enough to join the league. They were very interested in Jenny, who played for the University of Nebraska.“Throughout that college season, I knew I was being watched,” Jenny says, “I knew I couldn’t be perfect, so I just tried to be very consistent and have fun.”As a professional, Jenny relied on her focused but fun-loving attitude. “In a game, I try never to put too much pressure on myself. The more I concentrate on having fun, the better I play.” She says. “I have good and bad days, just like everyone else, but I know the sun will always come up after a bad day. So all I have to do is to adjust myself, either to the change of my inner feelings or to the change of circumstances.That helps me get through anything.”1. What can we learn from Jenny’s first soccer practice?A.She was not sure how to play soccer.B.She was gifted in playing soccer.C.She was instructed by the soccer coach.D.She was more experienced than other players.2. Which professional team did she first play for?A.New Jersey Wildcats.B.FC Energy Voronezh.C.The University of Nebraska.D.The Philadelphia Charge.3. Which of the following can best describe Jenny?A.Talented but impatient.B.Confident and considerate.C.Concentrated and adaptable.D.Absorbed but self-centered.4. What does the passage mainly talk about?A.How Jenny developed her soccer career.B.Why Jenny retired from the national team.C.How Jenny’s brothers influenced her career.D.What made Jenny a good soccer player.3. Drrinnggg! That’s the sound that kids all over the country hate to hear-the alarm bell. The new school year has just started and children across the UK have to wake up early in the morning to go to school.But students at one school in northeast England are lucky. They can lie in bed for an extra(额外的)hour before they go to school. Monkseaton High School has been allowing its pupils to come into school an hour later than other schools.The headmaster, Dr Paul Kelley, says that this new approach(方式) helps students pay more attention to their lessons in class. He feels that young people are more energetic and can perform better for the rest of the day. And he adds that for their school students, a late start at school may be better than an early one.Dr Kelley tells the BBC that teenagers don’t perform very well in the morning and their need to sleep is biological(生物的). It seems that this new approach to teaching shows positive(积极的) results. The number of students who sleep in class drops quickly. Besides, the school has already seen a drop in the number of pupils who play truant(逃学) by 27%. More importantly, Dr Kelley also says that exam results have improved by 20%-30% over the past year.Classes at Monkseaton High School begin at 10 a.m. and finish at 3:40 p.m. However, the school opens from 8 a.m. to 5 p.m. The students can come early and leave late if they want.1. What is this passage?A.A news report. B.A speech.C.A story. D.A notice.2. What is Dr. Paul Kelley’s opinion of the new approach?A.He gives no opinions about it.B.He has his doubts about it.C.He disagrees with it.D.He agrees with it.3. Which is NOT the positive result about the new approach?A.The exam results have improved.B.Fewer and fewer students sleep in class.C.Most students get to school earlier.D.The number of pupils who play truant drops.4. When do classes usually begin in schools in the UK according to the passage?A.At 8:00 a.m. B.At 9:00 a.m.C.At 10:00 a.m. D.At 11:00 a.m.4. When school started on that warm August day, I threw myself into everything I did, including playing volleyball. I decided to become beautiful, or at the very least, skinny. I stopped eating completely. Soon I began losing weight, which thrilled me, and I even grew to love the tiredness and lightheadedness( 头晕)that came with my poor diet, for those feelings meant that I was winning.As the season progressed, things had become tense between my head volleyball coach, Coach Smith, and me. She felt that something was wrong with my health. She talked with me about my eating and was angry that I wouldn’t listen to her when she tried to make me eat. She tried to persuade me in a determined way and so we fought constantly. Then my hunger started to affect my performance. I was so tired that practice and games were becoming a struggle. One afternoon, with hurt in her eyes, Coach Smith asked me what I had eaten and I told her nothing yet. She looked at me, disappointment in her eyes, knowing she couldn’t make me stop, and walked away.A couple of weeks later I attended a formal dinner for our volleyball team. I stood there as my coach managed to say something nice about me. I realized then that I had ruined my senior year by being disrespectful, and I had probably ruined hers as well. So that evening I wrote her a letter apologizing and thanking her.Then one Saturday, as I was reading in the library, I felt someone gently take my arm and say softly, “Lynn Jones, how are you doing?” I looked up and saw the familiar face. “Thanks for the letter,” she said. “It meant a lot.” When I think of a coach, I think of someone above me, someone who gives instruction — not a friend. But Coach Smith is different, and, like any other good friend, she dealtwith my problem in a determined way even when I hated her for it at that time. I didn’t deserve her kindness, but she gave it anyway. I will forever be gratefulfor her help, and now for her friendship.1. How did the author feel when she ate a poor diet and had a sense of tiredness?A. Funny. B. Nervous. C. Proud. D. Ashamed.2. The author fought with Coach Smith because .A. she refused to go on a diet . B. she causedfailure of her team.C. she kept her ideaof losing weight.D. she changed thetraining course.3. Why did the author write a letter to Coach Smith?A. She felt sorry for eating too little food.B.She was grateful for Smith ’ s care for her health.C. She decided to improve her performance.D. She wanted to build a close relationship with Smith.4. What is the best title for the text?A. My Way of Losing Weight. B. A Fight with MyCoach.C. A StrictVolleyball Coach.D. UnexpectedFriendship.5. Taking pressure off sports competitionsSports are a great way to have fun and stay active. Competitions can make sports more exciting. But because somebody wins and somebody loses competitions can also make kids be under pressure. 1 But too much pressure is bad news. Read on to learn more about sports pressure.What is a competition?There are different kinds of competition in sports. 2 For example, a swimmer might compete individually, but the person’s score may also contribute to a team’s score. What all sports competitions have in common is that all of the competitors want to win. 3Why do I feel under pressure?Do you ever have “butterflies” in your stomach? It’s that nervous feeling some people get when starting to attend a new school or preparing for a big soccer match. Believe it or not, the best player on your team gets nervous before a big game. 4 Feeling a little excited or nervous is OK, though. This helps your body and mind get ready to compete. But if you’re getting so nervous that you aren’t having much fun, it’s time to figure out why.How can I deal with pressure?When you’re competing in sports, you need a lot of energy. 5 Be sure to go to bed on time. And don’t forget to eat well on game day. Try to attend all of your team’s practices. By practicing, you’ll improve your playing skills. The more prepared you are, the better you’ll feel and the more fun you’ll have.6. I used to travel to make myself relaxed.Two years ago, I was rather busy with my business and under a lot of _______, so I went to Las Vegas for a holiday.When I was on holiday, a(n)_______ suddenly came to me.I had long wished to pay a visit to the Greek island of Santorini. Therefore, the idea of a two-week European _______ alone was born.I'd driven alone across the US before, but traveling to other countries whose languages aren't the same as mine _______ me.I was worried that I wouldn't be able to _______ with anyone.But I soon _______ that if I wanted to follow my dreams, I had to step out of my comfort area.If I let _______ take control of me, I'd get nowhere.As I was in search of more places visit on my trip, I found Mykonos, Greece, which I _______ just as much as I liked Santorini. When I arrived in _______, it was like I was in a dream.What I appreciated best was the bus ride to Venice.As I rode the bus and enjoyed every new thing I saw, I was completely ________ from the pressure of my work.How ________ it was to see people riding their bikes to the ________ they would like to go to!Some people might say, “It's not a big ________; it's just Venice. Thousands of people go there every day.” But is was more than that to me.It was about having a ________ an d when it was time for it to come true, don't let it ________.1.A.joy B.pressure C.loss D.pain2.A.idea B.incident C.stranger D.invitation3.A.stay B.research C.vacation D.study4.A.attracted B.frightened C.surprised D.interested5.A.agree B.play C.communicate D.travel6.A.realized B.responded C.selected D.suggested7.A.fear B.pride C.anger D.eagerness8.A.explored B.visited C.doubted D.liked9.A.Asia B.Europe C.America D.Africa10.A.tired B.lost C.different D.free11.A.threatening B.generous C.impressive D.nice12.A.castles B.places C.campus D.homeland13.A.deal B.reality C.order D.ending14.A.business B.dream C.challenge D.journey15.A.explore B.decrease C.go D.happen7. 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
梅州中学2020┄2021学年度第一学期高一期中考试试卷化学可能需要的相对原子质量数据H:1,He:4,C:12,N:14,O:16,Na:23,S:32,Cl:35.5 Ca:40Fe:56第Ⅰ卷(选择题共48分)一.选择题(每小题只有1个选项符合题意。
每小题3分,共12题,36分)1.以下实验装置一般不用于分离物质的是2.溶液、胶体和浊液这三种分散系的根本区别是A.是否有丁达尔效应 B.分散质粒子直径的大小C.是否能透过滤纸 D.是否为均一、稳定、透明的外观3.下列属于电解质的是A、蔗糖固体B、盐酸C、酒精D、熔融氢氧化钠4.在物质分类中,前者包括后者的是A.氧化物、化合物 B.化合物、电解质 C.溶液、胶体 D.溶液、分散系5.等物质的量的氢气和在二氧化碳气体同温同压下具有相同的A.原子数 B.体积 C.密度 D.质量6.用下列方法来制备Fe(OH)3胶体,可行的是A.把1mL饱和三氯化铁溶液逐滴加入到20 mL NaOH溶液中B.把1mL饱和三氯化铁溶液逐滴加入到20mL冷水中,边加边振荡C.把1mL饱和三氯化铁溶液一次性加入到20mL沸水中,并加以搅拌D.把1mL饱和三氯化铁溶液逐滴加入20mL到沸水中,边加边振荡7.下列离子方程式正确的是A.铜片加入稀盐酸中:Cu+2H+=Cu2++H2↑B.盐酸滴加在石灰石上:CO32-+2H+= H2O+CO2↑ C.氢氧化钡溶液与稀硫酸混合:Ba2++SO42-+ H++ OH-=BaSO4↓+H2O D.硫酸铜溶液与氯化钡溶液反应:Ba2++SO42-=BaSO4↓8.用N A表示阿伏德罗常数,下列叙述正确的是A.标准状况下,5.6 LH2O含有的分子数为0.25N AB.常温常压下,1.06g Na2CO3含有的Na+离子数为0.02 N AC.通常状况下,N A个CO2分子占有的体积为22.4LD.物质的量浓度为0.5 mol/L的MgCl2溶液中,含有Cl-个数为N A9.下列溶液中的c(Cl—)与50 mL 1 mol·L—1氯化铝溶液中c(Cl—)相等的是A.150 mL 3 mol·L—1氯化钾溶液 B.75 mL 2 mol·L—1氯化钙溶液C.150 mL 1 mol·L—1氯化钠溶液 D.75 mL 1.5 mol·L—1氯化铁溶液10.下表为各物质中所含有的少量杂质,以及除去这些杂质应选用的试剂或操作方法。
正确的一组为A.①②③④ B.③④C.②③④ D.①②③11.某溶液中加入氯化钡溶液生成白色沉淀,再加入稀硝酸沉淀不溶解也无气体逸出,则这种溶液中A.一定含有SO42-B.一定含有Ag+C.可能含有SO42- 或Ag+或 CO32—D.可能含有SO42- 或Ag+12.下列电离方程式书写错误的是A.H2SO4= 2H+ + SO42- B.Al2(SO4)3= 2Al3+ + 3 SO42-C.NaHCO3=Na ++ H+ + CO32-D.Ba(OH)2 = Ba2+ + 2 OH-二.选择题(每小题有两个正确答案,每题4分,漏选得2分,错选得0分,共12分)13.下列说法正确的是A.CH3COOH与NaOH在水中都能完全电离B.NaCl溶液能导电是因为NaCl在水中能电离出自由移动的Na+ 和Cl—C.SO3溶于水后,其水溶液能导电,所以SO3是电解质D.Ba(OH)2是电解质,Ba(OH)2溶于水后能导电14.下列操作中不正确的是A.过滤时,玻璃棒与三层滤纸的一边接触。
B.过滤时,漏斗下方紧贴烧杯内壁。
C.加热试管内物质时,试管底部与酒精灯灯芯接触。
D.向试管中滴加液体时,胶头滴管紧贴试管内壁。
15.能在溶液中大量共存的一组离子是A.NH4+、Cu2+、SO42-、Cl- B.Fe3+、H+、Cl-、HCO3-C.K+、Na+、NO3-、MnO4- D.Cu2+、NH4+、OH-、CO32-第II卷(非选择题共52分)16.(14分)17gNH3共有_______mol原子,0.1molH2S共有个氢原子;同质量的NH3和H2S中分子个数比为_______________。
在标准状况下,35.5g氯气的体积是__________L,将其与氢气完全化合,需氢气的物质的量是__________mol,将生成的气体配制成1L溶液,溶质的物质的量浓度是___________mol·L—1,将此溶液取出20mL加蒸馏水制成200mL溶液,此稀释后溶液中溶质的物质的量浓度是___ __mol·L—1。
17(15分)实验室用固体烧碱配制500mL 0.10mol·L-1的NaOH溶液。
(1)需称量_____________g的烧碱固体,固体应放在_____________中称量。
(2)配制过程中,一定不需要使用的仪器是(填代号)_____________。
①烧杯②量筒③玻璃棒④1000mL容量瓶⑤漏斗⑥500mL试剂瓶(3)根据实验的实际需要和(2)中列出的仪器判断,完成实验还缺少的仪器是_______________________________________________________ (填仪器名称)。
(4)在容量瓶内确定溶液体积的过程中,完成后期加入的那少量的水的做法是:____________________________________________________________________________。
(5)如果称取的NaOH固体已经部分潮解,所配的溶液的物质的量浓度比要求的偏大还是偏小?__ ___如果定容时水加多了,液面高于容量瓶的刻度线,立即用胶头滴管吸出,所配的溶液的物质的量浓度比要求的偏大还是偏小?________18.(14分)某学生设计了如下实验方法来分离NaCl和CaCl2两种固体混合物根据上述实验方法回答下列问题:⑴请分别指出步骤①②③所用的操作:①;②;③。
⑵在上述①②③的操作中都用到了一种仪器,此仪器的是。
⑶白色沉淀B是(填化学式);步骤②中发生反应的离子方程式是_______________________;物质B→C转变过程中发生反应的离子方程式为。
⑷用此实验方法分离得到的NaCl固体经分析还含有杂质,所含杂质是(填化学式),为了除去这种杂质可以向过滤得到的滤液中加入适量的。
19(9分)由FeCl3、KCl组成的1 L混合液中,已知Fe3+的质量为28 g,Cl-的质量为71 g 。
⑴原溶液中K+的物质的量为多少摩尔?⑵若量取该混合液250 ml,将其加水稀释至1 L,则稀释后所得溶液中Cl-的物质的量浓度为多少?梅州中学2020┄2021学年度第一学期高一年级期中考试化学科试题答卷相对原子量:H:1,He:4,C:12,N:14,O:16,Na:23,S:32,Cl:35.5,Ca:40,Fe:56第一部分选择题(共48分)第二部分非选择题(共52分)16.(14分)填空:__________________________mol , ________________________________个,分子个数比为__________________________, __________________________L,_______ _ __ __mol ,________________mol·L—1, _____ ______mol·L—117.(15分)(1) __________________________g ,__________________________________。
(2) ________________________________________________________________。
(3) ________________________________________________________________。
(4)___________________________________________________________________________________________________________________________________________。
(5) ________________________________, ____ _____18.(14分).⑴①;②;③;⑵。
⑶;_________________________________ ________;__________________________________________________ 。
⑷_____ ___________________, __ 。
19.计算题(9分)梅州中学2020┄2021学年度高一期中考试化学参考答案16.共14分,每空2分 4 ;1.204×1023 ; 2:1 ; 11.2 ;0.5 ; 1;0.117. 共15分(1)2.0;------2分烧杯--------- 1分(2)④⑤-------(2分)(3)500mL容量瓶,胶头滴管,托盘天平,药匙(共3分,容量瓶无规格不得分)。
(4)用胶头滴管逐滴加水,同时以平视式观察液面与刻度线的关系,当液面与刻度线相切,立即停止加水。
(3分)(5)偏小;偏小。
(2分×2)18. 共14分⑴(3分)溶解过滤蒸发(结晶)⑵玻璃棒-----1分⑶CaCO3 -----1分 Ca2+ + CO32- = CaCO3↓ -----3分CaCO3 + 2H+= Ca2+ + CO2↑+H2O-----3分⑷ Na2CO3-----1分稀盐酸-----2分19.共9分(1)0.5mol -----5分(2)0.5 mol·l-1 -----4分。