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    东北精准教学联盟2026届上学期高三联考数学试题

3、东北精准教学联盟2026届上学期高三联考数学试题


2、东北精准教学联盟2026届上学期高三联考数学试题


D.To explain why more oxygen exists near the nodules.
（4）What can we infer from Geiger's words？ 　 　
A.Marine ecology must be respected while mining nodules.
B.The Clarion﹣Clipperton Zone has no life due to mining.
C.Marine biologists oppose mining in the ocean.
D.Mining nodules is beneficial for marine life.
6．（2025 惠农区校级三模） For thousands of years，people have changed food to please their sense of taste.More than 3，000 years ago Mesoamericans，living in what is Mexico and Central America today，cooked com kernels （玉米粒） in a solution of wood ash or limestone.The process unlocked nutrients and softened the tough outer shells of the corn，making it easier to chew.


阅读下面短文，在空白处填入适当的词或填入括号内单词的正确形式。
Hangzhou, together with five other 　51． 　(city) in Zhejiang, has hosted the 19th Asian Games 　52． 　 Sep. 23 to Oct.
8. Before the Games, Hangzhou 　53． 　(use) many ways to make their city look better. The city also tried its best to make traffic better. The city now has much　54． 　(wide) and lighter traffic.
"The Small Lotus" is one of the main places for sports events. On the top it, there are eight petals(花瓣). They can open and close 　55． 　(easy). It takes 15 minutes for each petal 　56． 　(open) and close.
Self-driving buses were used during the Games, too. The smart buses start 　57． 　(run) only by themselves. Surprisingly, the highest speed of them can be as far as 50 kilometers in 　58． 　hour. With the help of artificial intelligence sensors(人工智能传感器), the buses know 　59． 　 to take athletes to right places and where to stop. 　60． 　, the buses can only carry at most 20 passengers(乘客).
第四部分 书面表达（共1小题，满分20分）
61． 生命在于运动。从小到大，你一定有喜欢或坚持的某项运动并从中获益。学校英语社团正在向大家征集投稿, 请以"I learned to be▲ through running/ swimming/..."为题, 选择一项运动，讲述你的运动经历并谈谈你的收获，写一篇80词左右的短文。


1、东北精准教学联盟2026届上学期高三联考数学试题


5、东北精准教学联盟2026届上学期高三联考数学试题


3、东北精准教学联盟2026届上学期高三联考数学试题


1、东北精准教学联盟2026届上学期高三联考数学试题


3、东北精准教学联盟2026届上学期高三联考数学试题


1、东北精准教学联盟2026届上学期高三联考数学试题


2．下列说法不正确的是(　　)
A．Na与H2O的反应是熵增的放热反应，该反应能自发进行
B．某吸热反应能自发进行，则该反应是熵增反应
C．碳酸铵[(NH4)2CO3]在室温下就能自发地分解产生氨气是因为外界给予了能量
D．CO(g)＋2H2(g)===CH3OH(l)是一个熵减反应
答案　C
解析　Na与水反应生成H2，ΔS>0，此反应为放热反应，则ΔH<0，故ΔH－TΔS<0，该反应能自发进行，A项正确；吸热反应ΔH>0，能自发进行必须满足ΔH－TΔS<0，所以ΔS>0，B项正确；碳酸铵在室温下自发分解产生氨气，是因为该反应的ΔS>0，C项错误；反应CO(g)＋2H2(g)===CH3OH(l)为气体分子数减小的反应，该反应是一个熵减反应，D项正确。


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3、东北精准教学联盟2026届上学期高三联考数学答案