• 河南省2024-2025学年第一学期九年级教学质量检测二历史答案

    学科网组卷网A.“狭路相逢强者胜,中原直插凯歌欢。前方弹雨刚三阵,后面枪林又一餐。”B.“美机翔天载百将,白山黑水薄运筹。猎猎红旗三万面,浩浩男儿摧更漏。”C.“定东北扼锦营盘,淮海赢围堵北沦,毛主席思谋久虑,观天下运转乾坤。”D.“旌旗南指大江边,不尽洪流涌上天。直下金陵澄六合,万方争颂换人间。”12.29世纪90年代以后,中国国有企业的亏损状态日益严重。1995年中共中央提出“抓大放小”的改革战略,主张通过改组、兼并、股份合作和出售等形式,推动国有小企业的产权改革。对此,有学者提出将国有企业卖给私人会使国有资产流失,削弱社会主义经济:也有学者认为这只是把国有资产的实物形态转变成货币形态,于国家利益无碍。这一争论实质上是()A.计划手段与市场手段之争B.激进改革与渐进改革之争C.资本主义与社会主义之争D公有经济与私有经济之争13.大化改新后,日本仿照唐制逐步建立了律令制国家。其中,《班田收授法》规定:国家授予一般农民口分田,死后归公;另外按户分给均等的宅地和园地。口分田限终身使用,不准世袭、买卖或转让;宅地和园地为私有地,由田主自由支配。这些措施(·)A.促进了土地私有制的发展B.加强了地方政府的权力C.提高了农民的生产积极性D.扫除了土地兼并的端14.“此前的‘三十年战争,把欧洲的精气神和物资基础耗费了大半,而和约表明了两个重要的事实:其一、在欧洲通过武力实现‘统一,是不大可行的;其二、宗教信仰的统一也是不可能的。既然谁也不能彻底征服对方,那么,也只能怀着不同的理念共存了。”这一观点反映出当时欧洲()A.妥协的政治智慧推动国际法的形成B.开创通过谈判解决争端的先例C.大国协调的国际关系体系得以建立D.具有较为完善的集体安全体制15.在第二次世界大战后独立的民族国家中,约有20多个国家拥有占世界总储量一半以上的巨大石油资源。依靠天然的资源优势,石油输出国很快路身于高收入国家行列。其中13个国家还参加了于1960年成立的石油输出国组织(简称“欧佩克”,多次联合迫使西方石油公司提高油价和石油税率,增加产油国的股权。这可用于说明()第3页/共6页

  • 河南省2024-2025学年第一学期九年级教学质量检测二数学(华师大)试题

    (火箭第二级的引发点)(发射点)0(地平线)9(落地点)x/km图1图2(1)求出a,b的值;(2)火箭在运行过程中,有两个位置的高度比火箭第一级运行的最高点低1.35km,求这两个位置之间的距离.【答案】(1)ab=8.1;15(2)8.4km【解析】【分析】本题考查了二次函数和一次函数的综合应用,涉及待定系数法求解析式,二次函数的图象和性质,一次函数的图象与性质等知识点,熟练掌握二次函数和一次函数的图象与性质是解题的关键.(1)将(9,3.6)代入即可求解;1515(2)将y即可确定顶点坐标,即最高点y=km,由比火1544箭运行的最高点低1.35km,得出y=2.4km,进而对应的x的值,然后进行比较再计算即可【小问1详解】解::火箭第二级的引发点的高度为3.6km抛物线y=ax²+x和直线y=x+b均经过点(9,3.6乙:3.6=81a+9,3.6=--q+6x2解得ab=8.1.15【小问2详解】由①知,yx+8.1,乙1515154第15页/共25页

  • 河南省2024-2025学年第一学期九年级教学质量检测二数学(华师大)试题

    (火箭第二级的引发点)(发射点)0(地平线)9(落地点)x/km图1图2(1)求出a,b的值;(2)火箭在运行过程中,有两个位置的高度比火箭第一级运行的最高点低1.35km,求这两个位置之间的距离.【答案】(1)ab=8.1;15(2)8.4km【解析】【分析】本题考查了二次函数和一次函数的综合应用,涉及待定系数法求解析式,二次函数的图象和性质,一次函数的图象与性质等知识点,熟练掌握二次函数和一次函数的图象与性质是解题的关键.(1)将(9,3.6)代入即可求解;1515(2)将y即可确定顶点坐标,即最高点y=km,由比火1544箭运行的最高点低1.35km,得出y=2.4km,进而对应的x的值,然后进行比较再计算即可【小问1详解】解::火箭第二级的引发点的高度为3.6km抛物线y=ax²+x和直线y=x+b均经过点(9,3.6乙:3.6=81a+9,3.6=--q+6x2解得ab=8.1.15【小问2详解】由①知,yx+8.1,乙1515154第15页/共25页

  • 河南省2024-2025学年第一学期九年级教学质量检测二数学(华师大)答案

    三、填空题(本大题共3小题,每小题5分,共15分)12.(其中a>0)的展开式中的常数项为40,则a=x>13.已知函数f(x)=若方程f²(x)+af(x)+b=0有且仅有5个不相等的整[log|x|,x0),过点M作两条相互垂直的直线交E于AB和CD,其中AB的中点为P,CD的中点为Q,则△MPQ面积的最小值为四、解答题(共77分:解答应写出文字说明,证明过程或演算步骤)15.(本小题满分13分)b已知数列{a满足:a=2n-10,数列{b}满足:b(1)求数列a的前i5项和Ss;(2)求数列的前n项和Tb.16.(本小题满分15分)1已知函数f(x)=-e²+4e²-ax,f(x)有两个极值点x,x.2(1)求a的取值范围;(2)证明:a-(a-1)lna-2

  • 河南省2024-2025学年第一学期九年级教学质量检测二数学(华师大)答案

    三、填空题(本大题共3小题,每小题5分,共15分)12.(其中a>0)的展开式中的常数项为40,则a=x>13.已知函数f(x)=若方程f²(x)+af(x)+b=0有且仅有5个不相等的整[log|x|,x0),过点M作两条相互垂直的直线交E于AB和CD,其中AB的中点为P,CD的中点为Q,则△MPQ面积的最小值为四、解答题(共77分:解答应写出文字说明,证明过程或演算步骤)15.(本小题满分13分)b已知数列{a满足:a=2n-10,数列{b}满足:b(1)求数列a的前i5项和Ss;(2)求数列的前n项和Tb.16.(本小题满分15分)1已知函数f(x)=-e²+4e²-ax,f(x)有两个极值点x,x.2(1)求a的取值范围;(2)证明:a-(a-1)lna-2

  • 河南省2024-2025学年第一学期九年级教学质量检测二英语(RAB)试题

    44.C。根据后面的“I was running5 miles'”“Then I set a goal to run a half marathon.”“I started to45amarathon.”可确定答案。45.D。consider:考虑。46.C。attended a meeting:参加一个会议。根据本段语境可确定答案。47.A。(was)inspired:(受到)鼓舞。48.B。根据“You'll finish!”可确定答案。49.D。believe in sb.可表示“(在能力、品质方面)信任某人”。根据“Trish,you've done enough training.You'llfinish!”可确定答案。50.A。confidence:自信。根据“I really didn't believe I could_48_”可确定答案。5l.B。根据第二段中的“I started to45 a marathon.”和第三段中的有关叙述以及本段中的“Little did I know thatthis would be the beginning of nearly a decade of marathon.”可确定答案。52.D。reach the unreachable:到达不能到达的地方。此处的语境背景为作者完成了她担心不能完成的马拉松赛跑。53.D。此处的“that experience'”指“reach the unreachable”这一经历。54.C。能完成马拉松赛跑可以使你更清楚地看到自己所具备的特质和能力。55.A。view:看法;观点。【语篇导读】本文简要介绍了江南水乡—一乌镇。56.as。考查介词。be known as,固定搭配,作为…而出名。57.locals。考查名词复数形式。此处local作名词,“当地人”,locals为其复数形式。58.abundant。考查形容词。此处abundance的形容词形式为abundant。59.sharply。考查副词。此处sharply作副词修饰非谓语动词contrasting60.a。考查冠词。…像是一副中国水墨画,表示泛指。61.are seen。考查谓语动词的时态和语态。时态为一股现在时,语态为被动语态。62.murmuring。考查非谓语动词。此处是现在分词作前置定语,修饰river,murmuring意为“发出轻柔低沉的声音”。63.and。考查连词。此处是“祈使句十and+句子”的句式结构。64.have been building.。考查谓语动词的时态。根据时间状语和并列结构,此处应用现在完成进行时。65.created。考查非谓语动词。通过分析句子成分,此处应为过去分词短语作后置定语。第四部分第一节【参考范文】Dear Peter,Knowing that you've had a hard time talking with your parents,I deeply understand how you feel.I'd like tooffer some practical suggestions.First of all,it would be wise to communicate openly and honestly with your parents in a calm and respectfulmanner.Furthermore,when listening to your parents'perspective,seek to understand their emotions by puttingyourself in their shoes,thus enabling you to see why they have certain expectations or behaviors.What's more,keepin mind that positive body language,such as a gentle smile,helps to create a more productive conversation.Hope my suggestions will be of some help to you.Yours,Li Hua第二节【参考范文】That night our doorbell rang.It was odd because it was so late.I went to the door and opened it,but foundnobody around.All at once I found at the door a package of chicken,which looked the same as the one I had put backat the store.On the package was a note,on which was written:Enjoy your chicken.I immediately knew what hadhappened.Someone really cared about me!Holding the package,I was moved to tears,full of gratitude.I still have no idea who put the package of chicken at our door and have been wondering about it.Was it thewoman behind me in line at the store that kindly brought me the chicken?Or maybe the cashier at the store whonoticed me in an awkward situation?Anyway,no matter who did this,I know there is one thing I can be sure of:there is still kindness in this world.It is really heartwarming to think about this.It always encourages me to getthrough my hard times.名师导学·名校名卷经典试题汇编英语参考答案一22

  • 河南省2024-2025学年第一学期九年级教学质量检测二化学(粤教版)试题

    Ⅱ.CS(g)+2H(g)CH(g)+S(g)△H=-81kJ·mol-则反应Ⅲ.CH(g)+2HS(g)4H(g)+CS(g)的△H=+26(kJmol-)6H1,-△H工一立kJ·mol-1.·n(CH)]1:1、1:2、1:3投料,反应Ⅲ中HS的(2)在恒压条件下,分别按进料比n(HS)平衡转化率在不同进料比下随温度的变化情况如图1所示,则曲线1表示的进1:2时CH和HS的平衡转化率相等。料比为;进料比为↑HS(g)的转化率/%M25N20t/min温度图2图1(3)在不同条件下,分别向两个相同的1L恒容密闭容器中充人1molCH(g)和2molHS(g),仅发生反应Ⅲ,测得HS(g)的转化率随时间的变化情况如图2所示。温度①不同条件是指不同的(填“温度”“压强”或“催化剂”),a点和b点对H(填“>"“”“

  • 河南省2024-2025学年第一学期九年级教学质量检测二化学(粤教版)答案

    7.下列用于解释事实的离子方程式书写不正确的是B.过量铁粉加入稀硝酸中:Fe+4H++NO—Fe3++NO↑+2H0C.向NaHCO溶液中加入过量澄清石灰水,有白色沉淀生成:HCO+Ca++OH—CaCO↓+HOD.用碳酸钠溶液处理水垢中的硫酸钙:CO²(ag)+CaSO(s)—CaCO(s)+S0²(ag)8.一种光学晶体的结构如图3所示,其中,X、Y、Z、W是原子序数依次增大的短周期主族元素,乙、W位于同主族,Y、Z是同周期相邻元素。下列推断不正确的是图3A.电负性大小为Z>WB.简单氢化物的沸点:YY>Z>XD.Y、W的氧化物对应的水化物都是强电解质9.下列实验操作、现象和结论均正确且有相关性的是选项实验操作及现象实验结论A向溴水中加人苯,振荡后静置,水层颜色变浅溴与苯发生了加成反应向装有AgCl的试管中加人氨水,振荡,白色固体溶解氨水呈碱性BNaHCO溶液与Na[Al(OH)]溶液混合产生白色沉淀定酸性:HCO>Al(OH);C将SO通人溴水中,溴水颜色褪去还原性:SO

  • 河南省2024-2025学年第一学期九年级教学质量检测二英语(RAB)试题

    44.C。根据后面的“I was running5 miles'”“Then I set a goal to run a half marathon.”“I started to45amarathon.”可确定答案。45.D。consider:考虑。46.C。attended a meeting:参加一个会议。根据本段语境可确定答案。47.A。(was)inspired:(受到)鼓舞。48.B。根据“You'll finish!”可确定答案。49.D。believe in sb.可表示“(在能力、品质方面)信任某人”。根据“Trish,you've done enough training.You'llfinish!”可确定答案。50.A。confidence:自信。根据“I really didn't believe I could_48_”可确定答案。5l.B。根据第二段中的“I started to45 a marathon.”和第三段中的有关叙述以及本段中的“Little did I know thatthis would be the beginning of nearly a decade of marathon.”可确定答案。52.D。reach the unreachable:到达不能到达的地方。此处的语境背景为作者完成了她担心不能完成的马拉松赛跑。53.D。此处的“that experience'”指“reach the unreachable”这一经历。54.C。能完成马拉松赛跑可以使你更清楚地看到自己所具备的特质和能力。55.A。view:看法;观点。【语篇导读】本文简要介绍了江南水乡—一乌镇。56.as。考查介词。be known as,固定搭配,作为…而出名。57.locals。考查名词复数形式。此处local作名词,“当地人”,locals为其复数形式。58.abundant。考查形容词。此处abundance的形容词形式为abundant。59.sharply。考查副词。此处sharply作副词修饰非谓语动词contrasting60.a。考查冠词。…像是一副中国水墨画,表示泛指。61.are seen。考查谓语动词的时态和语态。时态为一股现在时,语态为被动语态。62.murmuring。考查非谓语动词。此处是现在分词作前置定语,修饰river,murmuring意为“发出轻柔低沉的声音”。63.and。考查连词。此处是“祈使句十and+句子”的句式结构。64.have been building.。考查谓语动词的时态。根据时间状语和并列结构,此处应用现在完成进行时。65.created。考查非谓语动词。通过分析句子成分,此处应为过去分词短语作后置定语。第四部分第一节【参考范文】Dear Peter,Knowing that you've had a hard time talking with your parents,I deeply understand how you feel.I'd like tooffer some practical suggestions.First of all,it would be wise to communicate openly and honestly with your parents in a calm and respectfulmanner.Furthermore,when listening to your parents'perspective,seek to understand their emotions by puttingyourself in their shoes,thus enabling you to see why they have certain expectations or behaviors.What's more,keepin mind that positive body language,such as a gentle smile,helps to create a more productive conversation.Hope my suggestions will be of some help to you.Yours,Li Hua第二节【参考范文】That night our doorbell rang.It was odd because it was so late.I went to the door and opened it,but foundnobody around.All at once I found at the door a package of chicken,which looked the same as the one I had put backat the store.On the package was a note,on which was written:Enjoy your chicken.I immediately knew what hadhappened.Someone really cared about me!Holding the package,I was moved to tears,full of gratitude.I still have no idea who put the package of chicken at our door and have been wondering about it.Was it thewoman behind me in line at the store that kindly brought me the chicken?Or maybe the cashier at the store whonoticed me in an awkward situation?Anyway,no matter who did this,I know there is one thing I can be sure of:there is still kindness in this world.It is really heartwarming to think about this.It always encourages me to getthrough my hard times.名师导学·名校名卷经典试题汇编英语参考答案一22

  • 河南省2024-2025学年第一学期九年级教学质量检测二英语(RAB)答案

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