[天一大联考]20252026学年(上)高三顶尖计划(二)2生物(A卷)答案
[天一大联考]20252026学年(上)高三顶尖计划(二)2生物(A卷)答案于2025-12-10发布,目前免费查试卷答案网站已经汇总了[天一大联考]20252026学年(上)高三顶尖计划(二)2生物(A卷)答案的各科答案和试卷,更多试卷答案请关注免费查试卷答案网站。

本文从以下几个角度介绍。
- 1、2024顶尖计划天一大联考第二次"
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4、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2地理(A卷)试题
4、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2生物(A卷)试题
2.That's the tallest dinosaur in this hall.
stop.
四、Last weekend,we went to Jingjing Park for a
2.How much is the hat
right.
3.I fell off my bike and hurt my foot
4.We played football on Sunday.
There was(18) little boy who was crippled (跛的).He had always wished that he could walk and run like other little boys and girls. "Why can't I be like them?" he thought.
One day the little orphan boy(19) the little boy who was crippled.He ran over to the little boy and asked him(20) he had ever wanted to fly like a bird.
"No,but I have(21)what it would be like to walk and run like other boys and girls."
The two little boys played for hours.They made sand castles and really funny sounds with their (22).Then the little boy's father came with a wheelchair.The little boy who had always wanted to fly ran over to the boy's father and(23)something into his ear.
"That would be OK," said the man.
The little orphan boy turned around and told his new friend to slide up onto his back.He then began to run across the grass.Faster and faster he ran,(24)the little crippled boy on his back.The little boy's father began to cry as he watched his beautiful little crippled son flapping (拍打) his arms up and down in the wind,all the while yelling (大喊) at the(25)of his voice, "I'M FLYING,DADDY.I'M FLYING!"
16.A. never B. seldom C. ever D. always
5、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2政治(A卷)答案
6、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2数学(A卷)答案
2、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2数学(A卷)答案
4、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2语文(A卷)答案
4、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2政治(A卷)试题
5、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2化学(A卷)答案
【解析】
【详解】A、分子总在不断运动,如果不密封,香水中的分子不断运动,会扩散到空气中,导致香水挥发。选项正确;
B、分子间存在着间隔,水沸腾时,水分子间隔增大(水变成水蒸气,体积膨胀),从而掀起壶盖。但分子本身的体积大小不变,选项错误;
C、温度升高,分子运动速率加快,所以品红在热水中扩散的更快,选项正确;
D、同种分子化学性质相同,氮气和氧气的分子构成不同(氮气分子由两个氮原子构成,氧气分子由两个氧原子构成),因此它们的化学性质不同(如氧气支持燃烧,氮气不支持)。
故选B。
7. 认真观察、准确记录和仔细分析实验现象是学习化学的重要方法。下列有关实验现象的描述正确的是
【知识点】酸碱指示剂的性质及应用;溶液的酸碱性与pH值的关系
【解析】【解答】A、溶液pH<7显酸性,且pH越小,酸性越强,从表格数据可知葡萄汁、苹果汁、牛奶pH都小于7,均呈酸性,苹果汁的pH=2.9最小其酸性最强,故A错误;
B、溶液pH>7显碱性,从表格数据可知鸡蛋清的pH=9,故鸡蛋清呈碱性,故B正确;
C、石蕊溶液遇酸变红,从表格数据可知葡萄汁pH=3.6呈酸性,能使石蕊溶液变红,故C正确;
D、胃酸过多的人应食用弱碱性物质中和胃酸,苹果汁pH=2.9呈酸性,所以胃酸过多的人应少饮苹果汁,故D正确。
故答案为:A。
【分析】A、根据溶液pH<7显酸性,且pH越小,酸性越强以及表格数据进行分析解答;
3、[天一大联考]2025-2026学年(上)高三顶尖计划(二)2化学(A卷)答案
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