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试题答案

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4、金考卷·百校联盟 2026届8省名师联合命制高考预测卷(十)10政治试题


3、金考卷·百校联盟 2026届8省名师联合命制高考预测卷(十)10化学试题


activity（复数）__________
（三）短语翻译
健康的生活方式__________
对……有好处__________
保持健康__________
充满能量__________
熬夜__________


B. Friends make our childhood colorful.
C. Friends always hurt us by accident.
D. Things will change but memories won’t.
C
Being able to run 26.2 miles means you’re in good health, right Not exactly. We’ve already identified some of the benefits of long-distance running, but now we’ll see the darker side of the marathon.
Marathoners who die in training or on the race course usually make headlines because these tragedies seem so unusual — who could be in better health and less likely to die than a runner At the age of 52, Jim Fixx, a celebrated runner, died in 1984. In this condition, the arteries’ walls become thickened, causing less blood to flow through them. In 2007, 28-year-old Ryan Shay died while competing in the U. S. Olympic marathon trials. His death was caused by an irregular heartbeat.
It’s obvious that running affects the heart, but did you know running can increase the size of the heart Hearts can become bigger when an athlete is doing physical training. The body supply the increased amount of blood needed by increasing the size of the organ. After that the hearts can lead to irregular heartbeat, which can lead to heart failure.


2、金考卷·百校联盟 2026届8省名师联合命制高考预测卷(十)10政治试题


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5、金考卷·百校联盟 2026届8省名师联合命制高考预测卷(十)10英语试题


1、金考卷·百校联盟 2026届8省名师联合命制高考预测卷(十)10政治试题


4、金考卷·百校联盟 2026届8省名师联合命制高考预测卷(十)10物理试题


2、金考卷·百校联盟 2026届8省名师联合命制高考预测卷(十)10数学试题


答：标准状况下，生成氢气6.72L。 （没答 -1分）

2.(1)+247 kJ·mol-1　(2)-867.35 kJ·mol-1
[解析] (1)根据盖斯定律,①+×(②-③)可得CH4(g)+CO2(g)2CO(g)+2H2(g),则ΔH=+206 kJ·mol-1+×(-484 kJ·mol-1+566 kJ·mol-1)=+247 kJ·mol-1。(2)根据热化学方程式①CH4(g)+4NO2(g)
4NO(g)+CO2(g)+2H2O(g)　ΔH1=-574.1 kJ·mol-1、②CH4(g)+4NO(g)2N2(g)+CO2(g)+2H2O(g)　ΔH2=-1 160.6 kJ·mol-1,可知CH4(g)+2NO2(g)N2(g)+CO2(g)+2H2O(g)是由得到,对应的反应焓变ΔH===-867.35 kJ·mol-1。
题组二
3.C　[解析] 环己烷比环己烯、环己二烯稳定,则环己烷能量低,ΔH1<0,ΔH2<0,A项错误;根据反应方程式,结合盖斯定律,ΔH3=ΔH2+ΔH4,B项错误;将反应2减去反应1,得(g)+H2(g)(g)　ΔH=ΔH2-ΔH1,由于环己烯比环己二烯稳定,则ΔH2-ΔH1<0,即ΔH2 <ΔH1,同理,将反应3减去反应2,得反应4:(g)+H2(g)(g)　ΔH4=ΔH3-ΔH2,比稳定,则ΔH3-ΔH2>0,即ΔH3>ΔH2,C项正确;根据盖斯定律,ΔH2=ΔH3-ΔH4,D项错误。
4.A　[解析] 将A项中的热化学方程式依次编号为①②,根据盖斯定律,由①-②可得2S(s)+2O2(g)2SO2(g)　ΔH=ΔH1-ΔH2<0,即ΔH1<ΔH2,A错误;等量的Br2(g)具有的能量高于等量的Br2(l)具有的能量,故1 mol Br2(g)与H2(g)反应生成HBr(g)放出的热量比1 mol Br2(l)与H2(g)反应生成HBr(g)放出的热量多,则有ΔH1<ΔH2,B正确;将C项中的两个反应依次编号为①②,根据盖斯定律,由①-②得4Al(s)+2Fe2O3(s)2Al2O3(s)+4Fe(s),则有ΔH=ΔH1-ΔH2<0,即ΔH1<ΔH2,C正确;Cl2与H2的反应比Br2与H2的反应剧烈,放热更多,故ΔH1<ΔH2,D正确。
经典真题·明考向


3、金考卷·百校联盟 2026届8省名师联合命制高考预测卷(十)10生物答案