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3、天一大联考 2025-2026学年高三第二次联考数学试题


1、天一大联考 2025-2026学年高三第二次联考数学试题


Undergraduates will have the opportunity to work with top-level research scientists in Biochemistry & Molecular Biology and also in clinical laboratories with scientists that are associated with the department. They will conduct intensive laboratory work in the areas of biochemistry, molecular biology or nutritional biochemistry starting in the summer before their first fall semester starts. By spring of their junior year, students will prepare an undergraduate thesis as preparation for their entry into graduate school. At that time they will start taking graduate courses and continue to do research with a graduate faculty member.
To be considered, students must:
have a combined SAT I score of 1400 (combined Math and Critical Reading scores)
meet the SAT II score requirement of at least 600 in Math, and one science (Biology,Chemistry or Physics)
have completed eight semesters of English and mathematics and two semesters each of biology and chemistry by the time they graduate from high school
complete all components of your Common Application for undergraduate admission by November 1 of your senior year
complete a supplemental application form for the Honors Program in Biochemistry &Molecular Biology


听下面 5 段对话或独白。每段对话或独白后有几个小题,从题中所给的 A、B、C 三个选项中选出最佳选项。听每段对话或独白前,你将有时间阅读各个小题,每小题 5 秒钟;听完后,各小题将给出 5 秒钟的作答时间。每段对话或独白读两遍。
听第 6 段材料,回答第 6、7 题。
6. Why is the man unable to attend dinner tonight
A. He has to work late. B. He's feeling unwell. C. He has a meeting due.
7. When are they planning to have dinner next
A. Thursday night. B. Friday night. C. Saturday night.
听第 7 段材料,回答第 8 至 10 题。


5、天一大联考 2025-2026学年高三第二次联考数学答案


6、天一大联考 2025-2026学年高三第二次联考数学答案


4、天一大联考 2025-2026学年高三第二次联考数学答案


5、天一大联考 2025-2026学年高三第二次联考数学答案


3、天一大联考 2025-2026学年高三第二次联考数学试题


5、天一大联考 2025-2026学年高三第二次联考数学答案


C、该实验不能达到实验目的,理由是二氧化碳能溶于水,气球也会涨大,应做一个对比实验,把胶头滴管中的氢氧化钠溶液换成等体积的水,观察比较气球涨大程度,故C错误;
D、铁生锈是铁与氧气和水共同作用的结果,该实验对比说明铁生锈需要有氧气,还应增加一只盛有空气和铁钉的试管做对比,故D错误。
故选B。
11.(2023·湖北鄂州·中考真题)实验操作是实验探究的基础。下列实验操作正确的是
A.加热液体 B.测定溶液的pH
C.稀释浓硫酸 D.过滤
【答案】A


【答案】B
【解析】A.同主族元素原子半径从上往下原子半径增大,故原子半径:,A错误;
B.同周期主族元素,从上往下原子半径增大,更易失电子,电离能:,B错误;
C.晶体硅、SiC均为共价晶体,碳单质中金刚石为共价晶体,而石墨为混合晶体,C60为分子晶体,C错误;
D.周期表中元素Si附近存在许多准金属,可在其周围寻找半导体材料,D正确。
故选D。
6.(2022·江苏卷)工业上电解熔融和冰晶石的混合物可制得铝。下列说法正确的是


3、天一大联考 2025-2026学年高三第二次联考数学答案