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    3答弥封线内不要(3)过点N(2,0)作斜率不为O的直线I与E相交于点R,S,直线AR与BS的交点为Q,判一3和x=3相交于D,C两点,四边形ABCD的对角线AC,BD相交于点M,记动点M的右顶点,P(x,y)为椭圆C上的动点,过动点P(x,y)作椭圆C的切线,分别与直线x=B(2)是否存在E,使面CDE⊥面AABB?若存在,求此时AB与面CDE所成角如图,在三棱台ABC-ABC中,AA⊥面ABC,BAC=120°,AB=AC=3AB=如图,在体积为2√3的三棱柱ABC-ABC中,面ABBA⊥面ABC,AB=AA=ED3=B3AC=3,AA=2,D是棱AC的中点,E为棱BC上-动点。B第4页(共4页))4(2)求面ABC与面AACC夹角的余弦值.DOAP'Pt(1)若CE=CB,证明:AB//面CDE.9【高二数学的正弦值;若不存在,说明理由。(1)证明:AB⊥面ABC(2)求动点M的轨迹E的方程.已知F,F分别为椭圆C:断点Q是否在定直线上.AC=2,ABB=60°7.(15分)8.(17分)轨迹为E.9.(17分)上

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    32.C。理解主旨要义。根据第二段的内容可知,本段主要介绍了纳班纳节对于孟加拉国农民的重要性及其在该国文化传统中的重要地位。33.D。理解词汇。本段开头提到尽管今年降雨量少,但水稻长得还不错。本段结尾描述了农民们把稻米运回家、妇女们做各种各样的蛋糕来庆祝纳班纳节的情景,故推断,农民们有了好收成,粮食产量很大。34.D。推断。根据倒数第二段中的In this regard,our farmers are playing a pioneering role inproviding food for the country and ensuring food security可知,作者认为,农民在为国家提供粮食和确保粮食安全方面发挥着开创性的作用。in this regard在这方面,关于此事(指与前文提到的内容有关)。35.B。推断。根据最后一段中的If our farmers get all they need,they will be encouraged to useevery inch of land to grow food可知,作者呼吁加大对农民和农业的投入和支持。【补充说明】1.Jatiya Nabanna Utsab Udjapan Parshad:是一个组织,负责在孟加拉国组织和庆祝“纳班纳节”(Nabanna Utsab)。2.Agrahayan:是孟加拉历中的一个月份,通常对应公历的11月到12月。第二节主题语境:人与自我一一生活与学本文是说明文。文章介绍了给别人带来微笑的几种方法。36.E。本空上句介绍了世界微笑日的起源,本空后分句介绍了世界微笑日的宗旨,E项介绍了世界微笑日的日期,这几句一起对该节日作了整体介绍,符合语境。本空后的t指代E项中的The day。37.D。本空上句提到让别人微笑的最简单方法就是展现自已的笑容,下句提到来自陌生人的一句友好的问候可以改变人们的一天,D项承接上文,建议人们对一天中遇到的人微笑打招呼,符合语境。D项中的Smile and say hi与下句中的A friendly hello相照应。38.F。本空上句提到优质的服务值得丰厚的小费,F项建议在外就餐或停车时,可以考虑多给一点小费,举例说明了本空上句的观点。F项中的giving a little extra与本空前的a greattip和本空后的A little extra cash相照应。39.G。本段建议人们去探访养老院或医院。本空前提到在美国,许多老年人住在养老院,一些人没有多少朋友或家人去探望,G项与本空下句一起具体指出了探访养老院或医院对你和患者的好处。G项中的Having a visitor.与本空前的Visiting a nursing home or hospital和see相照应。40.B。本空前提到如果你得到了良好的服务,或有一个和善的邻居,或者被当地的街头艺术家吸引,写张便条告诉他们,B项承接上文,指出你的便条会让他们开心,符合语境。B项中的Your note和本空前的a note及本部分标题中的a Note相呼应。语言运用第一节主题语境:人与社会一一历史、社会与文化本文是说明文。在新西兰,毛利新年玛塔里基节(Matariki)2022年被定为全国性节日,越来越多的人参与庆祝该节日。41.B。根据本空后的in favour of celebrating Matariki和第二段中的call off Christmas festivities,and take on Matariki可知,Mako向家人宣布她要过毛利新年玛塔里基节,取消过圣诞节。in favour of支持,赞同。42.A。根据第四段中的as Maori language,culture and traditions have experienced a passionaterevival可知,在新西兰,毛利新年玛塔里基节正在强势复兴。make a comeback重新流行。

  • 陕西省2024-2025学年度第一学期九年级阶段性学习效果评估(四)英语答案

    BHigh levels of lead detected in Ludwig van Beethoyen's hair which has been confirmed belonging tohim suggest that the composer had lead poisoning,which may have contributed to illness he endured overthe:course.ofhis life,including deafness,according to new research.In addition to hearing loss;the famed classical composer had repeated stomach issues throughout hislife,experienced two attacks of severe liver disease.It is believed that Beethoven died from liver andkidney disease at age 56.But the process of understanding what caused his many health problems has beena much more complicated puzzle,one that even Beethoven himself hoped doctors could eventually solve.An international team of researchers set out nearly a decade ago to partially fulfill Beethoven's wishby studying locks of his-hair.Using DNA analysis,the team determined which ones truly belonged to thecomposer and which did not,and sequenced Beethoven's genome().The findings,published in aMarch 2023 report,revealed that Beethoven had significant genetic risk factors for liver disease.But theresults didn't provide any insights into the underlying causes of his deafness,which began in his 20s,or hisstomach issues.Beethoven's genome was"made publicly available,inviting researchers around the world toinvestigate remaining questions about Beethoven's health.In addition to high concentrations of lead,thelatest findings showed arsenic()and mercury()that remain trapped in the composer's strings of hairnearly 200 years after his death,according to a new letter published Monday in the journal ClinicalChemistry.The surprising insights could provide new windows into Beethoven's persistent healthproblems.24.What might have caused Beethoven's long-term health problems?A.Loss of hearing.B.High levels of lead in his body.C.Constant complaints.D.Lack of doctor's treatment.25.The underlined word"wish"in paragraph 3 may refer toA.Examining his hair.B.Curing him of the disease.C.Identifying the cause of his illness.D.Conducting DNA analysis.26.What did the report in 2023 find out?A.The potential cause of his deafness.B.The sequence of his genetic material.C.The hair that truly belonged to Beethoven.D.Beethoven's carrying a great genetic risk of liver disease.27.Why does the author mention the latest findings in the last paragraph?A.To confirm the earlier result.B.To contradict the previous findings.C.To draw a conclusion about the contributing factors.D.To provide a better understanding of the cause of his illness.2024年秋鄂东南教改联盟学校期中联考高三英语试卷(共10页)第4页

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    BHigh levels of lead detected in Ludwig van Beethoyen's hair which has been confirmed belonging tohim suggest that the composer had lead poisoning,which may have contributed to illness he endured overthe:course.ofhis life,including deafness,according to new research.In addition to hearing loss;the famed classical composer had repeated stomach issues throughout hislife,experienced two attacks of severe liver disease.It is believed that Beethoven died from liver andkidney disease at age 56.But the process of understanding what caused his many health problems has beena much more complicated puzzle,one that even Beethoven himself hoped doctors could eventually solve.An international team of researchers set out nearly a decade ago to partially fulfill Beethoven's wishby studying locks of his-hair.Using DNA analysis,the team determined which ones truly belonged to thecomposer and which did not,and sequenced Beethoven's genome().The findings,published in aMarch 2023 report,revealed that Beethoven had significant genetic risk factors for liver disease.But theresults didn't provide any insights into the underlying causes of his deafness,which began in his 20s,or hisstomach issues.Beethoven's genome was"made publicly available,inviting researchers around the world toinvestigate remaining questions about Beethoven's health.In addition to high concentrations of lead,thelatest findings showed arsenic()and mercury()that remain trapped in the composer's strings of hairnearly 200 years after his death,according to a new letter published Monday in the journal ClinicalChemistry.The surprising insights could provide new windows into Beethoven's persistent healthproblems.24.What might have caused Beethoven's long-term health problems?A.Loss of hearing.B.High levels of lead in his body.C.Constant complaints.D.Lack of doctor's treatment.25.The underlined word"wish"in paragraph 3 may refer toA.Examining his hair.B.Curing him of the disease.C.Identifying the cause of his illness.D.Conducting DNA analysis.26.What did the report in 2023 find out?A.The potential cause of his deafness.B.The sequence of his genetic material.C.The hair that truly belonged to Beethoven.D.Beethoven's carrying a great genetic risk of liver disease.27.Why does the author mention the latest findings in the last paragraph?A.To confirm the earlier result.B.To contradict the previous findings.C.To draw a conclusion about the contributing factors.D.To provide a better understanding of the cause of his illness.2024年秋鄂东南教改联盟学校期中联考高三英语试卷(共10页)第4页

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    2024学年第一学期杭州市高三年级教学质量检测物理参考答案一、选择题I题号2345678910111213答案BBCDCDACACBDB二、选择题ⅡI题号1415答案BDAD三、非选择题16-I.(1)C(2分)(2)5.25(5.20~5.30)(1分)0.50(0.48~0.52)(1分)(3)D(1分)16-I1.(1)电路图如图所示(1分)a(1分)E(2)6.0V(1分)8.0Ω(7.5Ω~8.5Ω)(1分)(3)6.8~7.2(1分)16-III.(1)C(1分)(2)D(1分)(3)652(648~656)(2分)17.(1)下方(1分)、减少(1分)Vo+Sl(2)①等压变化,Vo+Sl2=0.20m(2分)T1T2poS-mg②△U=Q+W,W=-pS(l-l),p1Q=2.4J(2分)S(3)AD(2分,少选得1分,有错选得0分)高三物答·第1页(共4页)

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