【精准解析】广东省汕头市潮阳实验学校2019-2020学年高二下学期第一次线上测试语文试题

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广东汕头潮阳区2019-2020学年度第一学期教学质量监测期末高二历史试题及答案

广东汕头潮阳区2019-2020学年度第一学期教学质量监测期末高二历史试题及答案

潮阳区2019-2020学年度第一学期教学质量监测高二历史评分标准一、选择题 (本大题共有28小题,每小题2分,共56分。

在每小题所列四个选项中,只有一项符合题目要求。

)二、非选择题部分(共3题,44分)29.【参考答案】(1)共同点:人须要构建社会群体,并和谐相处。

(2分)不同点:荀子主张依靠伦理道德和礼法制度,建立社会等级秩序;(2分)柏拉图强调公民通过互助合作,建立理想城邦。

(2分)背景:荀子:战国时期,礼乐崩坏,诸侯割据混战,社会动荡,需要重建社会秩序。

柏拉图:雅典城邦民主制走向衰落,政局动荡,城邦纷争不断。

(任选一人分析,3分)(2)新变化:社会地位有所提高。

(2分)原因:商品经济发展,冲击了原有的社会价值观,人们追逐金钱;文艺复兴、宗教改革等思想解放运动,打破了禁欲主义的束缚。

(1点2分,共4分)(3)自愿性移民:大批欧洲人为追求财富殖民美洲。

(2分)掠夺大量财富运往欧洲,加速了欧洲的资本原始积累;破坏了传统印第安文明,也客观上推动了美洲的开发。

(2分+2分+1分)被迫性移民:奴隶贸易使人口由非洲流向美洲。

(2分)为美洲经济发展提供了劳动力;加速了欧洲的资本原始积累;使非洲人口大量减少,加剧了非洲的贫困落后。

(1分+2分+2分)(任选一种分析)30.【参考答案】(1)特点:内容丰富、形式多样、语言生动、叙述详细。

(1点1分,写出两点即可得2分)认识:历史笔记记载其它史书未记或少记的内容,可以丰富史料来源,弥补其它史书的缺失;历史笔记与其它史书相互考证,修正其它史书的错误;历史笔记来源多样,或轶闻趣事或传奇故事,所描述的事件未必完全真实可信。

总之,历史笔记受作者身份、资料来源等局限,信息未必完全客观可信,使用时应甄别辨识,去伪存真。

(8分)31.【参考答案】示例一:观点:政治制度要针对现实进行适当的调整。

(2分)阐述:政治制度只有结合时代环境不断调整,才能获得更大的生命力。

中国古代的君主专制中央集权制度,秦汉时实行三公九卿制,唐朝推行三省六部制,宋代实行二府三司制,通过不断削弱相权加强皇权,君主专制不断加强,政权的巩固一定程度上对社会的稳定、经济的发展起到了重要作用。

2019-2020学年广东省汕头市潮阳实验学校高二下学期第一次线上测试数学试题 Word版

2019-2020学年广东省汕头市潮阳实验学校高二下学期第一次线上测试数学试题 Word版

广东省汕头市潮阳实验学校2019-2020学年高二下学期第一次线上测试数学试题第I 卷(共60分)一、选择题:本大题共12个小题,每小题5分,共60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.已知集合{}{}{}220,1381,2,xA x x xB xC x x n n N =-≤=<<==∈,则()A B C =U I ( )A .{}2B .{}0,2C .{}0,2,4D .{}2,4 2.设i 是虚数单位,若()52i i x yi i +=-,()52ii x yi i+=-,则复数x yi +的共轭复数是( ) A .2i - B .2i -- C .2i + D .2i -+3.已知等差数列{}n a 的前n 项和是n S ,且456718a a a a +++=,则下列命题正确的是( ) A .5a 是常数 B .5S 是常数 C .10a 是常数 D .10S 是常数 4.圆心在y 轴上,半径为1,且过点()1,3的圆的方程是( ) A .()2221x y +-= B .()2221x y ++= C .()2231x y +-= D .()2231x y ++=5.七巧板是我们祖先的一项创造,被誉为“东方魔板”,它是由五块等腰直角三角形(两块全等的小三角形、一块中三角形和两块全等的大三角形)、一块正方形和一块平行四边形组成的.如图是一个用七巧板拼成的正方形,现从该正方形中任取一点,则此点取自黑色部分的概率是( )A .316 B .38 C .14 D .186.已知点F 为双曲线C :()222210,0x y a b a b-=>>的右焦点,点F 到渐近线的距离是点F 到左顶点的距离的一半,则双曲线C 的离心率为( )A .2或53 B .53C .2D .2 7.设m ,n 是两条不同的直线,α,β是两个不同的平面,则下列命题中正确的是( ) A .若αβ⊥,m α⊥,则//m β B .若//m α,n α⊂,则//m nC .若m αβ=I ,//n α,//n β,则//m nD .若αβ⊥,且m αβ=I ,点A α∈,直线AB m ⊥,则AB β⊥8.某几何体的三视图如图所示,则在该几何体的所有顶点中任取两个顶点,它们之间距离的最大值为( )正视图 侧视图 俯视图 A 36 C .23.6 9.已知函数())23sin cos 30f x x x x ωωωω=-+>的相邻两个零点差的绝对值为4π,则函数()f x 的图象( )A .可由函数()cos4g x x =的图象向左平移524π个单位而得 B .可由函数()cos4g x x =的图象向右平移524π个单位而得C .可由函数()cos2g x x =的图象向右平移724π个单位而得D .可由函数()cos2g x x =的图象向右平移56π个单位而得10.()f x 是定义在R 上的奇函数,当0x <时,()()'0f x x f x +⋅<,且()40f -=,则不等式()0f x >的解集为( )A .()()4,04,-+∞UB .()()4,00,4-UC .()(),44,-∞-+∞UD .()(),40,4-∞-U11.设O 为坐标原点,点P 为抛物线C :()220y px p =>上异于原点的任意一点,过点P 作斜率为0的直线交y 轴于点M ,点P 是线段MN 的中点,连接ON 并延长交抛物线于点H ,则OH ON的值为( )A .p В.12 C .2 D .3212.已知函数()f x 是R 上的偶函数,对于任意x R ∈都有()()()63f x f x f +=+成立,当[]12,0,3x x ∈,且12x x ≠时,都有()()12120f x f x x x ->-,给出以下三个命题:①直线6x =-是函数()f x 图像的一条对称轴; ②函数()f x 在区间[]9,6--上为增函数; ③函数()f x 在区间[]9,9-上有五个零点. 问:以上命题中正确的个数有( )A .0个B .1个C .2个D .3个第II 卷(共90分)二、填空题(每题5分,满分20分,将答案填在答题纸上)13.已知向量()2sin ,cos a αα=r ,()1,1b =-r,且a b ⊥r r ,则()2a b-=r r ____________.14.已知x ,y 满足约束条件20204180x y x y x y -≤⎧⎪-≥⎨⎪+-≤⎩,则目标函数53z x y =-的最小值为____________.15.已知函数()33f x x x =-,若过点()()1,2A m m ≠-可作曲线()y f x =的三条切线,则实数m 的取值范围为____________. 16.在菱形ABCD 中,3A π=,AB =ABD V 沿BD 折起到PBD V 的位置,若二面角P -BD -C 的大小为23π,三棱锥P -BCD 的外接球心为O ,则三棱锥P -BCD 的外接球的表面积为_____________. 三、解答题(本大题共6小题,共70分.解答应写出文字说明、证明过程或演算步骤.)17.(本小题满分10分)已知ABC V 的内角A ,B ,C 的对边a ,b ,c 分别满足22c b ==,2cos cos cos 0b A a C c A ++=,又点D 满足1233AD AB AC =+u u u r u u u r u u u r .(1)求a 及角A 的大小;(2)求AD u u u r的值.18.(本题满分12分)在数列{}n a 中,11a =,()1*122n n n a a n N ++-=∈. (1)证明2n n a ⎧⎫⎨⎬⎩⎭是等差数列; (2)求数列21n a n ⎧⎫⎨⎬-⎩⎭的前n 项和n S .19.(本题满分12分)经调查,3个成年人中就有一个高血压,那么什么是高血压?血压多少是正常的?经国际卫生组织对大量不同年龄的人群进行血压调查,得出随年龄变化,收缩压的正常值变化情况如下表:年龄x 28 32 38 42 48 52 58 62 收缩压y(单位mm Hg )114118122127129135140147其中:882122111ˆˆˆ,,17232,47384ni ii ii ini i ii x y n x ybay bx xx yxn x ====-⋅⋅==-==-⋅∑∑∑∑(1)请画出上表数据的散点图;(2)请根据上表提供的数据,用最小二乘法求出y 关于x 的线性回归方程$$y bx a =+$;($,a b$的值精确到0.01)(3)若规定,一个人的收缩压为标准值的0.9到1.06倍,则为血压正常人群;收缩压为标准值的1.06到1.12倍,则为轻度高血压人群;收缩压为标准值的1.12到1.20倍,则为中度高血压人群;收缩压为标准值的1.20倍及以上,则为高度高血压人群,一位收缩压为180mmHg 的70岁的老人,属于哪类人群? 20.(本题满分12分)如图,四棱柱1111ABCD A B C D -的底面为菱形,120BAD ∠=︒,2AB =,E ,F 为CD ,1AA 中点.(1)求证://DF 平面1B AE ;(2)若1AA ⊥底面ABCD ,且直线1AD 与平面1B AE 所成线面角的正弦值为34,求1AA 的长. 21.(本题满分12分)已知椭圆C :()222210x y a b a b+=>>的离心率为22,且以两焦点为直径的圆的内接正方形面积为2. (1)求椭圆C 的标准方程;(2)若直线l :2y kx =+与椭圆C 相交于A ,B 两点,点D 的坐标为10,2⎛⎫⎪⎝⎭,问直线AD 与BD 的斜率之和AD BD k k +是否为定值?若是,求出该定值,若不是,试说明理由.22.(本题满分12分)已知函数()()21xf x e a x b =---,其中e 为自然对数的底数.(1)若函数()f x 在区间[]0,1上是单调函数,试求实数a 的取值范围;(2)已知函数()()211xg x e a x bx =----,且()10g =,若函数()g x 在区间[]0,1上恰有3个零点,求实数a 的取值范围.2019-2020学年度寒假网课高二数学测试卷参考答案一、选择题1-5:BADCA 6-10:BCBBA 11-12 CB 二、填空题 13.18514.-2 15.()3,2-- 16.112π 三、解答题17.解:(1)由2cos cos cos 0b A a C c A ++=及正弦定理得2sin cos sin cos cos sin B A A C A C -=+,即()2sin cos sin sin B A A C B -=+=, 1分 在ABC V 中,sin 0B >,所以1cos 2A =-, 2分 又()0,A π∈,所以23A π=. 3分在ABC V 中,由余弦定理得222222cos 7a b c bc A b c bc =+-=++=,所以a =5分(2)由1233AD AB AC =+u u u r u u u r u u u r ,得221233AD AB AC ⎛⎫=+ ⎪⎝⎭u u u r u u u r u u u r 7分444142199929⎛⎫=++⨯⨯⨯-= ⎪⎝⎭, 9分 所以23AD =u u u r . 10分18.解:(I )因为111111112222221222222n n n n n n n n n n n n n n n a a a a a a ++++++++++--=-===, 5分 所以数列2n na ⎧⎫⎨⎬⎩⎭是首项为12,公差为1的等差数列; 6分 (II )由(I )知数列2n n a ⎧⎫⎨⎬⎩⎭是首项为12,公差为1的等差数列, 7分 所以121(1)1222n na n n -=+-⨯=,即()1212n n a n -=-⋅, 9分 所以()1121222121n n n n a n n ---⋅==--,易知数列21n a n ⎧⎫⎨⎬-⎩⎭是首项为1,公比为2的等比数列, 11分所以122112nn n S -==--. 12分 19.解:(1)4分(2)2832384248525862458x +++++++== 5分1141181221271291351401471298y +++++++== 6分818222147384845129ˆ172328458i ii ii x y n x ybxx ==-⋅⋅-⨯⨯∴==-⨯-⋅∑∑ 7分 1180.91129=≈ $1290.914588.05ay bx =-=-⨯=$ 8分 ∴回归直线方程为$0.9188.05y x =+. 9分 (3)根据回归直线方程的预测,年龄为70岁的老人标准收缩压约为()0.917088.05151.75mmHg ⨯+=1801.19151.75≈Q11分∴收缩压为180mmHg 的70岁老人为中度高血压人群. 12分 20.(1)证明:设G 为1AB 的中点,连EG ,GF 所以四边形DEGF 是平行四边形. 2分 所以//DF EG又DF ⊄平面1B AE ,EG ⊂平面1B AE , 3分所以//DF 平面1B AE . 4分(2)解:因为ABCD 是菱形,且60ABC ∠=︒, 所以ABC V 是等边三角形 取BC 中点G ,则AG AD ⊥, 因为1AA ⊥平面ABCD , 所以11,AA AG AA AD ⊥⊥,建立如图的空间直角坐标系,令()10AA t t =>, 6分 则())()11330,0,0,,0,3,1,,0,2,2A E B t D t ⎫-⎪⎪⎝⎭,)()1133,0,3,1,,0,2,2AE AB t AD t ⎫==-=⎪⎪⎝⎭u u u r u u u ru u u u r, 8分设平面1B AE 的一个法向量为(),,n x y z =r,则)330n AE x ⋅=+=u u ur r 且130n AB x y tz ⋅=-+=u u u r r , 取()3,,4n t t =-r, 10分设直线1AD 与平面1B AE 所成角为θ,则()12163sin 424n AD t t n AD θ⋅===+⋅u u u u r r u u u u r r ,解得2t =,故线段1AA 的长为2. 12分21.解:(1)由已知可得222222sin 24c ac a b c π⎧=⎪⎪⎪=⎨⎪=+⎪⎪⎩2分解得22a =,221b c ==, 3分故所求的椭圆方程为2212x y +=. 4分 (2)由22122x y y kx ⎧+=⎪⎨⎪=+⎩得()2212860k x kx +++=, 5分则()22264241216240k k k ∆=-+=->,解得6k <或62k >. 6分 设()()1122,,,A x y B x y ,则12122286,1212k x x x x k k+=-=++, 8分 则12121122,AD BDy y k k x x --==, 9分所以()()12211212121212132662203AD BD y x y x x x kx x x x k k k k x x x x +-+++-+====,所以AD BD k k +为定值,且定值为0. 12分 22.解:(1)()()'21xf x e a =--,当函数()f x 在区间[]0,1上单调递增时,()()'210xf x e a =--≥在区间[]0,1上恒成立,()()min211x a e ∴-≤=(其中[]0,1x ∈),解得32a ≤; 2分 当函数()f x 在区间[]0,1上单调递减时,()()'210xf x e a =--≤在区间[]0,1上恒成立,()()max21x a e e ∴-≥=(其中[]0,1x ∈),解得12ea ≥+. 综上所述,实数a 的取值范围是3,1,22e ⎛⎤⎡⎫-∞++∞ ⎪⎥⎢⎝⎦⎣⎭U . 4分 (2)()()()'21xg x e a x b f x =---=.由()()010g g ==,知()g x 在区间()0,1内恰有一个零点, 5分 设该零点为0x ,则()g x 在区间()00,x 内不单调, 所以()f x 在区间()00,x 内存在零点1x , 同理,()f x 在区间()0,1x 内存在零点2x ,所以()f x 在区间()0,1内恰有两个零点. 6分 由(1)知,当32a ≤时,()f x 在区间[]0,1上单调递增, 故()f x 在区间()0,1内至多有一个零点,不合题意. 7分 当12ea ≥+时,()f x 在区间[]0,1上单调递减, 故()f x 在区间()0,1内至多有一个零点,不合题意, 所以3122ea <<+. 8分 令()'0f x =,得()()ln 220,1x a =-∈,所以函数()f x 在区间()0,ln 22a -⎡⎤⎣⎦上单调递减,在区间()(ln 22,1a -⎤⎦内单调递增. 9分记()f x 的两个零点为()1212,x x x x <,因此()(()()120,ln 22,ln 22,1x a x a ∈-∈-⎤⎦,必有()010f b =->,()1220f e a b =-+->. 由()10g =,得a b e +=,所以()11102f a b e ⎛⎫=-+=-< ⎪⎝⎭, 10分 又()010f a e =-+>,()120f a =->, 所以12e a -<<. 11分综上所述,实数a 的取值范围为()1,2e -. 12分。

广东省汕头市潮阳实验学校2019_2020学年高二化学下学期第一次线上测试试题

广东省汕头市潮阳实验学校2019_2020学年高二化学下学期第一次线上测试试题

广东省汕头市潮阳实验学校2019-2020学年高二化学下学期第一次线上测试试题考试时间:75 分钟总分 100 分可用到的相对分子质量:H—1 C—12 O—16第 I 卷(选择题,共 48 分) 一、单选题(共 16 题,每题 3 分,共 48 分。

每题只有一个选项符合或最符合题意) 1.化学与生活密切相关。

下列物质的用途错误的是(A.小苏打用于面包发酵)B.氢氧化铝用于中和胃酸D.福尔马林用于食品保鲜C.肥皂水用于蚊虫叮咬处清洗2.下列有机物命名正确的是( )A.1,2,3—三甲苯B.C.D.2—氯丙烷2—甲基—丙醇2—甲基—3—丁炔3.下列化学用语正确的是(A.聚丙烯的结构简式:)B.丙烷分子的比例模型:C.乙炔的电子式:D.2-乙基-1,3-丁二烯分子的键线式:4.只用水就能鉴别的一组物质是()A.苯、乙酸、四氯化碳B.乙醇、乙醛、乙酸D.苯酚、乙醇、甘油C.乙醛、乙二醇、溴乙烷5.以下有机物既能发生消去反应生成相应的烯烃,又能氧化生成相应的醛的是()A.CH OH B.HOCH CH(CH ) C.(CH ) COH D.CH CHOHCH CH 3 2 3323 23 3试卷第 1页,总 4页6.有机物 A 是某种药物的中间体,其结构简式为:说法正确的是(),关于有机物 A 的A.A 的分子式为C10H8O3 B.苯环上的一氯代物有 2 种D.可发生氧化反应、加成反应和消去反应C.可使酸性 KMnO4 溶液和溴水褪色7.在实验室里,下列除去杂质的方法正确的是(..)①溴苯中混有溴:加入 KI 溶液,用汽油萃取出溴;②除去乙烷中少量的乙烯:通过盛有足量酸性高锰酸钾溶液的洗气瓶;③除去溴苯中的溴:将其倒入浓烧碱溶液中,充分反应,静置,然后分液;④除去乙酸乙酯中的少量乙酸:加入浓氢氧化钠溶液,充分反应,静置,然后分液;⑤乙烯中混有 CO2:将其通入浓氢氧化钠溶液洗气后干燥;⑥除去乙醇中少量的乙酸:加足量生石灰,蒸馏A.①③⑤B.②④⑥C.③⑤⑥D.④⑤⑥8.烷烃是单烯烃 R 和氢气发生加成反应后的产物,则 R 可能的结构简式有()A.3 种B.4 种C.5 种D.6 种9.可用于鉴别以下三种化合物的一组试剂是()①银氨溶液;A.②与③②溴的四氯化碳溶液;B.③与④③氯化铁溶液;C.①与④④氢氧化钠溶液。

2019-2020学年广东省汕头市潮阳实验学校高二(下)第一次月考物理试卷

2019-2020学年广东省汕头市潮阳实验学校高二(下)第一次月考物理试卷

2017-2018学年湖北省十堰二中高一(下)期中物理试卷试题数:16.满分:1101.(单选题.5分)下列关于物理知识和运动规律.说法中正确的是()A.开普勒通过对天体运动的观察和数据分析发现了万有引力定律B.物体在变力作用下一定做曲线运动C.若物体动能不发生变化.则物体一定做直线运动D.做曲线运动的物体.其速度一定变化2.(单选题.5分)如图所示.当小车A以恒定的速度v向左运动时.则对于B物体来说.下列说法正确的是()A.匀加速上升B.匀速上升C.B物体受到的拉力大于B物体受到的重力D.B物体受到的拉力等于B物体受到的重力3.(单选题.5分)将篮球从同一位置斜向上抛出.其中有两次篮球垂直撞在竖直墙面上.如图所示。

不计空气阻力.则下列说法正确的是()A.从抛出到撞墙.第二次球在空中运动的时间较短B.篮球两次抛出时速度的竖直分量第一次小于第二次C.篮球两次撞墙的速度可能相等D.抛出时的速度大小.第一次一定比第二次小4.(单选题.5分)2016年共享单车忽如一夜春风出现在大城市的街头巷尾.方便了百姓的环保出行。

如果将自行车后轮撑起.使后轮离开地面而悬空.然后用手匀速摇脚踏板.使后轮飞速转动.如图所示.图中a、b为后轮轮胎边缘上的最高点与最低点.c、d为飞轮(小齿轮)边缘上的两点.则下列说法正确的是()A.a点的角速度大于d点的角速度B.后轮边缘a、b两点线速度相同C.b、d两点运动的周期相同D.飞轮上c、d两点的向心加速度相同5.(单选题.5分)如图所示.质量相同的甲、乙两个物体.在大小相同的水平恒力F的作用下.从静止开始沿水平面运动相同的距离s。

甲在光滑面上.乙在粗糙面上。

在此过程中.下列说法中正确的是()A.恒力F对甲做功多B.恒力F对乙做功的功率大C.乙物体合外力做功比甲多D.甲物体获得的动能比乙大6.(单选题.5分)半径为1m的水平圆盘绕过圆心O的竖直轴匀速转动.A为圆盘边缘上一点.在O点的正上方将一个可视为质点的小球以4m/s的初速度水平抛出时.半径OA方向恰好与该初速度的方向相同.如图所示.若小球与圆盘只碰一次.且落在A点.则圆盘转动的角速度大小可能是()A.2πrad/sB.4πrad/sC.6πrad/sD.8πrad/s7.(单选题.5分)2010年10月1日18时59分57秒.搭载着“嫦娥二号”卫星的长征三号丙运载火箭在西昌卫星发射中心点火发射.卫星由地面发射后.进入地月转移轨道.经多次变轨最终进入距离月球表面100公里.周期为118分钟的工作轨道.开始对月球进行探测.如图所示.已知万有引力常数为G.则()A.卫星在轨道Ⅲ上的运动速度比月球的第一宇宙速度大B.卫星在轨道Ⅲ上经过P点的速度比在轨道Ⅰ上经过P点时小C.卫星在轨道Ⅲ上运动周期比在轨道Ⅰ上长D.卫星在轨道Ⅰ上经过P点的加速度小于在轨道Ⅱ上经过P点的加速度8.(多选题.5分)如图所示.质量为m的小球用一根轻细绳子系着在水平面内做圆锥摆运动.已知绳长为L.轻绳与竖直方向夹角为θ.现增大绳长L.保持夹角θ不变.仍使小球在水平面内做圆锥摆运动.则()A.小球的向心加速度增大B.小球运动的线速度增大C.小球运动的周期增大D.小球所受的细线拉力增大9.(多选题.5分)如图所示.质量不同的可视为质点的甲、乙两小球.甲从竖直固定的1/4光滑圆弧轨道顶端由静止滑下.轨道半径为R.圆弧底端切线水平.乙从高为R的光滑斜面顶端由静止滑下。

广东汕头潮阳区2019-2020学年度第一学期教学质量监测期末高二语文试题及答案

广东汕头潮阳区2019-2020学年度第一学期教学质量监测期末高二语文试题及答案

潮阳区2019-2020学年度第一学期教学质量监测高二语文参考答案及评分标准一、现代文阅读(36分)(一)论述类文本阅读(9分)1.(3分)C.(A该功能仅仅是中国文化的一个重要功能而已。

B原文是“亦非常重视对“人”的问题的探究”,中西方哲学都重视对人的问题的探索。

D项原文是“学问不能仅仅是一种思想与理智的游戏”)2.(3分)B. (文中只是说中国哲学“以此为中心,发展出具有高度智慧的人生哲学”,并没有说这是“更高的人生智慧”)3.(3分)A. (原文说的是是中国哲学“更关注人格养成的实践”,并没有说西方哲学“不关注人格养成的实践”,无中生有。

)(二)实用类文本阅读(12分)4.(3分)C. (A项没有提及后台与服务点扫码拿书;B项没有理解原文中的“通过‘书香苏州’App和线上支付”一句的意思,不能省略“线上支付”这一项内容;D项欠缺“填上小区地址”一项)5.(3分)B .(中国公共图书馆累计发放有效借书证量在2016年下降,只有5593本,2015年有5721本。

)6.(6分)①建立健全法规制度体系,(1分)②政府主导(1分),③社会力量参与,(1分),④细化服务规范,(1分)⑤公共文化设施空间提档升级,(1分)⑥图书馆迈向智能化、数字化。

(1分)(三)文学类文本阅读(15分)7.(3分)B.【解析】B选项“将小男孩带回其父亲身边”的说法有误,保民将男孩托付同事,后来应是他将"宏福"二字与"红薯"二字联系起来,才使男孩能更快回到父亲身边。

8.(6分)(1)冷与暖形成对比,天气寒冷,人心不冷。

(2)保民寻回迷路的母亲,也有赖于110微信群提供的线索和母亲遇到的好心人如看门师傅,赞美人与人之间的关爱相助、温暖善意。

(或:小时候妈妈接送保民上幼儿园,现在保民到园门口接回迷路的母亲,赞美保民的孝心,母亲此刻能认出儿子,也歌颂了亲情的力量,疾病不能将它改变、抹灭。

广东汕头潮阳区2019-2020学年度第一学期教学质量监测期末高二物理试题及答案

广东汕头潮阳区2019-2020学年度第一学期教学质量监测期末高二物理试题及答案

潮阳区2019-2020学年度第一学期教学质量监测 高二级物理试题答案和评分标准一、单选题(本大题共6小题,每题4分,共24分)1、C2、B3、A4、C5、C6、C二 、多项选择题(本大题6个小题,每题4分,共24分)7、AB 8、CD 9、BD 10、BD 11、ACD 12、AC三、非选择题(本题5小题,共52分)13.(1)乙(2)9.5 0.0614.(1)24.09~24.11 0.516~0.519(2)偏小 πd 2U4Il(3)如右图15.(10分)解:令x 1表示未加F 时弹簧的压缩量,由胡克定律可知:m A g sin θ=kx 1① (2分)令x 2表示B 刚要离开C 时弹簧的伸长量,a 表示此时A 的加速度,由胡克定律和牛顿第二定律可知: kx 2=m B g sin θ② (2分)F -m A g sin θ-kx 2=m A a ③ (2分)由②③式可得a =F -(m A +m B )g sin θm A④ (2分) 由题意知d =x 1+x 2⑤ (1分)由①②⑤式可得d =(m A +m B )g sin θk . (1分)16.(12分)(1)因粒子带正电且向下偏转,所以电场方向竖直向下,粒子做类平抛运动,水平方向:L sinθ=v 0t(2分) 竖直方向:21cos 2L at θ=(2分) 且有 qE =ma (2分) 解得:2022cos sin mv E ql θθ= (2分)(2)据电势差公式有:222cos tan AB mv U El q θθ== (4分)17.(15分)(1)设粒子从左侧O 1点射入的速度为v 0,极板长为L ,粒子在初速度方向上做匀速直线运动L ∶(L -2R )=t 0∶t02,解得L =4R ① (1分)粒子在电场中做类平抛运动:L =v 0·t 0 ② (1分)在复合场中做匀速运动:q E =qv 0B ③ (2分)又U=E·2R ④ (1分)联立各式解得U =8R 2B t 0(1分) (2)设粒子恰好从上极板左边缘飞出时轨道半径为r ,由几何关系可知: r +2r =R ⑤ (2分)因为R =12 a (t 02)2 ⑥ (2分) a =qE m⑦ (1分) 根据牛顿第二定律有qvB =m v 2r⑧ (2分) 联立(1)(2)(3)(5)(6)(7)(8)解得0)12(2t R v -=(1分) 所以,粒子在两板左侧间飞出的条件为0)12(2t R v -< (1分)。

广东省汕头市潮阳实验学校2019_2020学年高二英语下学期第一次线上测试试题-含答案

广东省汕头市潮阳实验学校2019_2020学年高二英语下学期第一次线上测试试题-含答案

广东省汕头市潮阳实验学校2019-2020学年高二英语下学期第一次线上测试试题第一部分阅读理解(共两节,满分 40 分) 第一节(共 15 小题;每小题 2 分,满分 30 分) 阋读下列短文,从每题所给的 A、B、C 和 D 四个选项中,选出最佳选项。

AStagecoach Buses — Popular tickets DayriderTravel as much as you like in one day. dayriderWith Stagecoach Dayrider bus tickets you can make as many journeys as you like for one day. They offer more value for money than buying a single or return, as you can travel on all Stagecoach buses within your chosen ticket zone. Buy tickets using the Stagecoach Bus App or buy on the bus. With contactless payments now available on all our buses, you don't need to worry about finding the correct change! Bus and BoatUnlimited bus travel for one car in the selected zone, plus a boat ride. bus &Explore the countryside on bus then enjoy the fine mountain views from boatthe comfort of a boat deck. You can board one of our many boats or steamers located at four of the districts most outstanding lakes. Stagecoach have combined bus & boat tickets which are available for Coniston, Detwent Water, Ullswater and Windermere. Sightseeing TicketssightseeingNever get lost and don't miss a thing.tickets Hop-on and hop-off all day as much as you like at any of the bus stops on the route and see all the best sights and attractions your chosen town or city has to offer. You'll also learn lots of history along the way from one of our expert guides. Student Tickets student tickets Flexible student bus tickets Are you a student and getting ready for the new term? You can travel for a lot less with Stagecoach's student bus tickets. You'll need a current student ID card with a photo to buy a Stagecoach student ticket. The name on your ID card will need to match the name on your ticket.1. What is true about the "Dayrider" ticket?A. You need the correct change to buy it.B. You can use it to travel anywhere in the city.C. It can be purchased with your mobile phone.D. It can be used with any bus company.2. If you want to go sightseeing around of the lake areas, which ticket is the most suitable?A. Dayrider.3. What is needed if you want to buy a student ticket?A. A photo of yourself.B. Your name.C. The bus app.B. Bus and Boat.C. Sightseeing.D. Student tickets.D. Valid student ID. BMy Grandpa Forgets Who I AmA few days ago I visited my grandfatherin hospital. He hasAlzhemier’s—a degenerative disease that usually starts slowly andgets worse over time. I thought I was prepared to see him. I knew chances were slim that he'd actually recognize me.He didn’t. As a matter of fact, he had no idea th at he even had grandchildren. But he was excited that somebody cameto visit him. I tried to explain to him who I was. But after he told me multiple times that he didn’t have grandchildren, I gaveup. And my heart broke into a million little pieces.I was tired of explaining things to him. So I just smiled. He smiled back. It's a genuine smile. Like a long time ago,when he’d take me by the hand and made this big world a little bit less scary for me. Now I have to take his hand.We sat in silence for a little while, before he told me to call my grandma. This was the first time I had tried so hard tohold back tears. My grandma died four years ago and he didn't remember. He thought she was stuck on her way to pick himup.My grandpa used to be a strong, hard-working man. He was the person you turned to when you needed your car fixed,your tires changed or something heavy to be carried. Sadly, that man left this world a long time ago, and left behind a manthat is lost and scared.I want to help him. I want to make him feel better. I want to tell him about his old life, and how great it was. So I satwith him and I held his hand, and every once in a while I told him how good he looked and how much I liked the color ofhis shirt and how it brought out the blue in his eyes. I told him that my grandma was on her way whenever he asked abouther, and I made sure the glass in his hand was always filled with water.I can’t take away his pain. I can’t help him remember. I can’t make the disease go away. All I can do is h old on to thememories—hold on for both of us.4. When the author first saw her grandpain hospital,A. she gave up on him .B. they were both excitedC. he didn’t recognize herD. they talked about the past5. The author was close to tears becauseA. grandma died about four years agoB. grandpa needed to be taken care ofC. grandma didn’t make it to the hospitalD. grandpa believed grandma was still alive6. Which of the following best describe the author?A. Tolerant and merciful. .B. Considerate and patient.C. Warm-hearted and grateful.D. Strong-minded and generous.7. The author wrote this passage toA. show pity towards her grandpaB. record memories of her grandpaC. express deep love for her grandpaD. call on further study onAlzheimer’s.CA supermarket checkout operator was praised for striking a blow for modern manners and a return to the age of politenessafter refusing to serve a shopper who was talking on her mobile phone.The supermarket manager was forced to apologize to the customer who complained she was told her goods would not bescanned unless she hung up her phone. Jo Clark, 46, said, “I don’t know what she was playing at. I couldn't believe how rude shewas. When did she have the right to give me a lecture on checkout manners? I won’t be shopping there again.”But users of social media sites and Internet forums(论坛)were very angry that store gave in and the public appeared to besupporting the angry checkout worker. “Perhaps this is a turning point for mobile phone users everywhe re. When chatting, keepyour eyes on people around you. That includes people trying to serve you, other road users and especially people behind you inthe stairs,” said a typical post.“It's time checkout staff fought back against these people constantly c hatting on their phones. They can drive anyone crazy.It's rude and annoying. I often want to grab someone's phone and throw it as far as I can, even though I am not a checkout girl,just a passer-by,” said another. Siobhan Freegard, founder of parenting site said, “While this checkoutoperator doesn't have the authority to order customers to switch off their phones, you can see clearly how frustrated and angry shefelt. No matter how busy you are, life is nicer when you and those around you have good manners.”8. According to Jo Clark, the checkout operatorA. lacked the knowledge of checkout manners.B. played with a mobile phone while at work.C. deserved praise for her modern manners..D. had no right to forbid her from using her mobile phone.9. The third and fourth paragraphs imply that the publicA. are used to chatting on their mobile phones.B. are driven crazy by constant mobile calls.C. seem to support the checkout operator..D. ignore the existence of mobile phone users..10. What is the attitude of Siobhan Freegard towards the checkout operator?A. DisapprovingB. SupportiveC. NeutralD. Indifferent11. The passage is mainly aboutA. whether we should talk on our phones while being served.B. why we can talk on mobile phones while shopping.C. what good manners checkout operators should have.D. how we can develop good manners for mobile phone.DThe last thing Caitlin Hipp would have expected as she prepared to turn 28 years old was to be living at hone with herpare nts. All she’s ever wanted to do is to become an elementary school teacher. And she’s been working through her teachingcertifications for four years after obtaining an education degree from Bowling Green State University in Ohio, USHipp has racked up $100,000 in student loan debt and isn’t able to earn enough through working as a part-time skatinginstructor and restaurant server to live anywhere other than home.The Pew Research Center recently reported that 2014 was a milestone in the evolving living arrangements of young adultsin the US. For the first time since 1880, adults aged 18 to 34 became more likely to be living with a parent than to be living ontheir own. Before 2014, the most common living arrangement for young adults was to be living in their own property as part of acouple.UBS Financial Services, a Swiss global financial services company, released a report that even suggests one reason for thegrowing number of young adults still living at home could be that their family doesn’t want the m to leave.The report shows that 74 percent of millennials(千禧一代)get some kind of financial support from their parents aftercollege. It finds that millennials have redefined the ties that combine parents and children. “Millennials see their parents as peers,friends and guiders. Nearly three quarters talked with their parents more than once a week during college. In return, their parentshappily provide financial support well into adulthood, helping fund everything for them.”Stuart Hoffman, chief economist for the PNC Financial Group in the US, said although job growth for millennials since2014 has improved, which doesn’t necessarily mean that millennials are starting to fly the nest. He said, “There’s no doubt it hasheld back household formation and purchases on things people spend money on related to household formation andchild-rearing,” Hoffman explained. “But they are probably traveling more and eating out more if they don’t have a house expenseor marriage. I don’t know if it represents a change in moral values. But it’s much more common for adult children to live in theirparent’s homes because it’s becoming part of the culture.”12. Why does Caitlin Hipp have to live at home with her parents?A. Because she can’t afford to live on her ownB. Because she doesn’t want to live anywhere other than homeC. Because she wants to obtain more degreesD. Because she wants to be an elementary school teacher13. What can we learn about young adults aged 18 to 34 before 2014?A. They didn’t have the freedom to arrange their livingB. They would rather live with their parents than live by themselvesC. They started to fly the nest as more jobs were providedD. They preferred to live away from their parents14. What conclusion can we draw from the report released by the Swiss company?A. Children living with parents is becoming part of the cultureB. The majority of millennials refuse to get financial help from parentsC. Most millennials are building closer relationship with their parentsD. Young people tend to live at home because of fewer job opportunities15. What’s Stuart Hoffman’s attitude towards this trend?A. IndifferentB. SubjectiveC. ObjectiveD. Negative第二节(共 5 小题;每小题 2 分,共 10 分)根据短文内容,从短文后的七个选项中选出能填入空白处的最佳选项。

2019-2020学年广东省汕头市潮阳实验学校高二(下)第一次月考物理试卷(含答案解析)

2019-2020学年广东省汕头市潮阳实验学校高二(下)第一次月考物理试卷(含答案解析)

2019-2020学年广东省汕头市潮阳实验学校高二(下)第一次月考物理试卷一、单选题(本大题共5小题,共20.0分)1.某物体质量为1kg,在水平拉力作用下沿粗糙水平地面做直线运动,其速度时间图象如图所示,根据图象可知A. 物体所受的拉力总是大于它所受的摩擦力B. 物体在第3s内所受的拉力等于1NC. 在内,物体所受的拉力方向始终与摩擦力方向相反D. 物体在第2s内所受的拉力为零2.已知氢原子的基态能量为,激发态能量为,其中,3,,已知普朗克常量为h,则下列说法正确的是A. 氢原子跃迁到激发态后,核外电子动能增大,原子的电势能减小B. 大量处于的激发态的氢原子,向低能级跃迁时可辐射出3种不同频率的光C. 基态氢原子中的电子吸收一频率为v的光子被电离后,电子速度大小为D. 若原子从能级向能级跃迁时所产生的电磁波能使某金属发生光电效应,则原子从能级向能级跃迁时所产生的电磁波也一定能使该金属发生光电效应3.研究光电效应现象的实验装置如图所示,用光强相同的黄光和蓝光照射光电管阴极K时,测得相应的遏止电压分别为和,产生的光电流I随光电管两端电压U的变化规律如图所示。

已知电子的质量为m,电荷量为,黄光和蓝光的频率分别为和,且则下列判断正确的是A.B. 图中的乙线是对应黄光照射C. 根据题述条件无法算出阴极K金属的极限频率D. 用蓝光照射时,光电子的最大初动能为4.如图所示,理想变压器的原、副线圈的匝数比为2:1,为阻值随温度升高而减小的热敏电阻,为定值电阻,电压表和电流表均为理想交流电表。

原线圈所接电压u随时间t按正弦规律变化,如图所示。

下列说法正确的是A. 电压表的示数为51VB. 若电流表的示数为,则变压器的输入功率约为25WC. 若热敏电阻的温度升高,则电压表的示数不变,电流表的示数变小D. 若热敏电阻的温度降低,则变压器的输出功率变大5.人类对光的本性以及原子内部结构的进一步认识,促进了科技极大的进步,并大量应用于医疗、通讯等领域。

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