2023-11-02 03:37:36

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2023-11-03 03:25:18

(6)评估东北虎豹国家公园对东北虎和东北豹的承载能力时，除上述调查外，还需要分析的影响因素有气候条件，人为干扰因素，有蹄类动物的种群密度、年龄结构等。安5...

2023-11-04 11:45:22

湖南省高三质量检测试卷化学参考答案1.A【解析】本题主要考查与文物器具有关的化学知识，侧重考查学生对基础知识的认知能力。磁州窑白底黑花瓶的主要成分是硅酸...

2023-11-06 21:28:23

W:I have to drive my niece to her swimmingclass and her dance class then.She likesthem very much.M:Got it.And my niece is only interested inreading.Sh...

2023-11-07 01:56:27

20221221高分说15.D本题考查keep(on)doing sth的用法，意为“继续做某事”八年级Unit1活页练习第14版高分说二、完形填空【语篇解读】本文讲述了一个小男孩因为妈妈...

2023-11-07 15:38:19

衡水金卷先享题初高中知识衔接手册化学HENGSHUI JINJUAN(2)金属和酸反应，金属元素在金属活动性顺序表中应排在氢以前，且酸应是非强氧化性酸。例如：2A1+3H2SO4...

2023-11-08 09:20:32

秘密★启用前in the distance,and also takes in the lush valley at the base of the huge granite walls.The best time toappreciate this scene is in the aft...

2023-11-09 18:15:27

7.下列有关说法错误的是A.含氧元素的化合物一定是氧化物B.单质中一定只含有一种元素C.同种元素组成的纯净物一定是单质D.化合物中一定含有不同种元素8.(2022一202...

2023-11-10 04:36:41

·英语·参考答案及解析了菲利普的器官。)可知这五位受捐者来自各行各often mistake bags and other plastic items for food like业。故选C。jellyfish.判断也是海...

2023-11-11 05:27:38

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2023-11-14 23:30:49

高一课标(ZJZ)第33期练习题参考答案第1版THEME READING【Self-check】1.Alex Mitchell.2.Less than 30 seconds.3.Bach by Design第2版READING ACTIVITIESActivit...

2023-11-16 00:09:10

失电子的氧化反应生成CH COOH,负极反应为原，CHCH2OH-4e+H2O=CH,COOH+4H+,D正确。该3.B分析装置可知，左侧有机物转化为CO2,碳元素被氧化，故C,左侧为负极，也可...

2023-11-17 07:02:59

saw the bank truck passing me.C.continueD.experience10.A.SurprisinglyB.UndoubtedlyC.HorriblyD.EmbarrassedlyParagraph 2:11.A.sorryB.responsibleFinally...

2023-11-17 13:51:46

误：C.探究温度对硫代硫酸钠与硫酸反应速率的影响，应该首先加热至反应要求温度，然后再将两种反应溶液混合，反应的离子方程式为S,O}+2H+=S+SO2↑+H2O,C错误：D....

2023-11-17 19:31:02

has become more aware of how he uses and deals with plastic可知，Sarr是Thiaw的学生，现在对如何使用和处理塑料有了更多的了解。由此推断，作者在本段提及Sa...

2023-11-18 07:07:11

南京市2024届高三年级学情调研2023.09化学本试卷分选择题和非选择题两部分，共100分。考试用时75分钟。注意事项：答题前，考生务必将自己的学校、姓名写在答题卡...

2023-11-18 09:19:05

H的结构简式为,Prolitane的结构简式为则H→Prolitane的反应类型为加成反应（或还原反应）；答案为苯乙酸乙酯；加成反应（或还原反应）。COOCH-CH3(2)E的结构简式...

2023-11-20 03:07:24

41.A.taskB.desireC.routineD.challenge第四部分写作（供两节，满分35分）42.A.healthB.wealthC.happinessD.confidence第~节短文改错（共10小题：每小题1分，满...

2023-11-20 04:45:08

B.邻羟基苯甲醛的沸点低于对羟基苯甲醛的沸点此外，实验还证实，氢键不仅存在于分子之间，有时也存在于分子内。如图2-26所示的邻羟基苯甲醛在分子内形成了氢键，...

2023-11-20 05:51:34

14:177。:☒000河南省南阳六校2022-20….C☑17.(14分)丙烯酸丁酯是一种无色液体，分子式为C,H202,主要用作有机合成中间体、黏台剂、乳化剂、涂料等。实验室以丙烯酸...

2023-11-20 15:35:19

plendid lectures fromclures about it.D.regulation59.A.decisionB.differenceC.effortD.control60.A.saveB.believeC.benefit第二节（共10小题；每小题1.5分，...

2023-11-21 02:54:56

(C)37.Who didn't like the movie?When we got there,we saw so many visitors.A.Alex's father.(46)C Like me,they took pictures,enjoyedB.Alex’s mother.deli...

2023-11-21 21:02:56

Unit 1 Where did you go on vacation?第2课时Section A Grammar Focus~3c建议用时：15分钟小题练语法7.A:Things here are really cheap.I buy something》语法...

2023-11-22 04:03:14

已知：①雷尼N暴露在空气中可以自燃，在制备和使用时，需用水或有机溶剂保持其表面湿润；②邻硝基苯胺在极性有机溶剂中更有利于反应的进行。某实验小组制备雷尼1并...

2023-11-22 06:07:28

B3.How did the summer camp influence Rabung?A.She learned new life skills.Several hours later,Antonis was about to board阅B.She made some new friends....

2023-11-22 14:02:47

团GLOBAL EGLS团Ⅲ，用适当的介词或副词填空。1.The whole town was inruins after the terrible学美在报社earthquake,but the local people didn't lose hope.2....

2023-11-22 15:10:51

三全国©0所名校高考模拟金典卷@o所名校高考模拟金典卷·英语（一）effectiveness of marketing activities.her classroom window as she ate lunch,noticing the...

2023-11-24 07:45:23

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2023-11-24 23:09:32

15.一定温度下，向2.0L的恒容密闭容器中充人1.6molC0、1.6 mol NO,发生反应2NO(g)+2CO(g)=N2(g)+2CO2(g),经过一段时间后达平衡。反应进行到不同时间测得(CO)如下...

2023-12-07 05:45:27

IL.m-n)10-(2分)nIII.①AC(2分：少选给1分，多选、错选不给分)1.1®+2y+立(2分》6.0×10m1九(3分：不写单位扣1分)19.（13分)(1)2H,S(g+0,(g2S(g+2H,0(g)△H-407.1kJm...