2024届全国100所名校单元测试示范卷·化学[24·G3DY·化学-R-必考-QG]一试题
2.能实现下列物质之问转化的元素是单质+0:→氧化物+H,0一酸(或碱)+NaOH(或HCI),盐A.SiB.SC.CuD.Fe3.a、b两个烧杯中均盛有过量的稀HzS04,将等质量的两份锌粉分...

2.能实现下列物质之问转化的元素是单质+0:→氧化物+H,0一酸(或碱)+NaOH(或HCI),盐A.SiB.SC.CuD.Fe3.a、b两个烧杯中均盛有过量的稀HzS04,将等质量的两份锌粉分...
周测卷六分子间作用力补铁剂中铁元素的检验1.D解析:环己基氨基酸钙有极性,根据“相似相溶”原理可知,D项符合题意。2.C解析:HC1分子间只存在范德华力且相对分子...
8.C解析:10s后X的转化率为50%,则参加反应的X为3mol×50%=1.5mol,则:2X(g)3Y(g)2Z(g)nW(g)起始/mol3300变化/mol1.52.251.50.75n10s末/mol1.50.751.50.75n1.5mo1...
10.D解析:充电时,外加电源的正极与Y相连,A项错误;放电时,为原电池,Mg失电子,作负极,电子由X经导线流向Y,B项错误;充电时,左室得电子发生还原反应,为维...
100%合a-50%L-◇4=32%90%1.252.532c(NaOH)/mol.i根据上图得知(填字母)a.NaOH溶液浓度越大,氮氧化物的吸收率越大b.NO2含量越大,氮氧化物的吸收率越大iⅱ.当a小于5...
承德高中2021~2022学年高一年级第二学期六月联考化学试卷参考答案1.D2.A3.C4.A5.B6.D7.B8.D9.C10.AC11.C12.D13.BD14.(1)Fe2O3+6H+=2Fe3++3H2O(2分)(2)Fe2+、H+(2...
18.①旁敲侧击(或:隐晦曲折)②幡然醒悟(或:恍然大悟)③截然不同(每处填入的成语恰当且书写无误得1分,不恰当或书写有误该空不得分)【解析】本题考查正确使用...
题。每段对话仅读温5秒钟:听完后,各小圆胸,理在你有5的钟的时间看试卷上的例图停顿00'02所下面一段对话,回M me how much the shrt is?停顿00'05(Text 6)你将...
2022-2023下学年高三年级TOP二十名校二月调研考高三语文试卷注意事项:1,本试卷共8页,考试时间150分钟,卷面总分150分2、答题前、考生务必将自已的姓名、准考证...
语文参考答案1.D2.B3.D/4.A5.B7.B10.C11.D12.D14.C20.D6.参考答案:①咳嗽发烧的症状是人体免疫系统被激活,与病毒战斗的必然表现,不必过分惊慌;(2分)②流感病程...
15.下列对这首诗的理解和赏析不正确的一项是(3分)c☑A汴河依旧清澈,穿越汴京蜿题而去,昔日宫墙犹在,但江山早已易主,令人感到科社悲凉。B诗人以比干剖心的典故...
Student Zhu Jinhan climbed up the trunk,then jumped to a neighboring tree(easy)with the help of ropes,gaining bursts of applause.upinlo ofoundr (be)in...
大一轮复习学案语文60.[名不虚传·名副其实]名不虚传:确实很好,不样非常紧急的情况。迫在眉睫:形容事情临近眼是空有虚名。名副其实:名称或名声与实际相前,十...
thought about what a role59 for those young children to learn about serviceandsympathy.I thought how 60 I was to be the receiver of such generosity.C....
had lost jobs after Broadway theaters 48.And they felt the need to help.of family;divorced parents will develop new relationships and take their kids...
七年级上期中阶段成长评估听力原考答案力原文听句子,根据选择合适的M:Who is th4.W:Arc the5.M:Thank yne boy over there?ooks your father's?you for your hel...
的生意就开张了。43.C。44.B。45.A。根据上段中的create a career path for his children可知,Wagener用卡车售卖冰淇淋,意在为他的孩子们开创一条就业道路。故...
2023届云南名校月考(五)英语参考答案及评分标准第一部分听力(共两节,每小题1.5分,满分30分)1~5 CBAAB 6~10 ABBCA 11~15 CCBBB16-20AACCA第二部分阅读理解...
57.A解析:考查形容词。句意:但它的歌声在我身后依然清晰。根据上文的内容可知,小鸟欢快的叫声似乎是在表达对作者的感激,作者救助了小鸟也感到很有成就感,小...
第七套必修第三册阶段性测试卷(一)听力1~5 CBCCA 6~10 BCABB 11~15 BCABA 16~20 CCACB阅读义为吸引北美高中生来爱尔兰上大学,The Irish Experience提供了为期...
并不大。44.A。根据本空后的commuters and passers-by who stop to click selfies and photos可知,人们停下来拍照是受到该车顶花园的吸引。45.D。根据上段中的i...
One possible version:Dear Eric,Congratulations on your successful application for the exchange program to our school nextmonth!I'm so excited to hear...
He knew he had to get out of this situation himself."Don't 48"Wyatt told himself,trying toremember the safety talk Brody had given to them.He rolled o...
解析主题语境:人与社会一一文学本文是书评。作者在文中评价了日本作家渡边淳一的著作《钝感力》。1.D。理解具体信息。根据第一段中的When this doctor scolded...
的原因。35.C。理解观点、态度。根据最后一段Nevertheless...for optimism among educators andcommunities可知,对于教育工作者和社区来说,这个研究结果会使他...
绝密★启用前天一大联考·三晋名校联盟2023一2024学年高三年级阶段性测试(期中)英语考生注意:1,答题前,考生务必将自己的姓名、考生号填写在试卷和答题卡上,并...
50.A.review B.letter C.post D.invitation 51.A.subscribing B.explaining C.reporting D.objecting 52.A.congratulations B.decisions C.announcements D.cont...
【答案】 I am honored to have the chance to write about you.I have to noticed that our school has very limited resources in term of terms students'opp...