成都市盐道街中学20252026学年高三(上)一诊模拟考试历史试题于2025-12-14发布,目前免费查试卷答案网站已经汇总了成都市盐道街中学20252026学年高三(上)一诊模拟考试历史试题的各科答案和试卷,更多试卷答案请关注免费查试卷答案网站。

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6、成都市盐道街中学2025-2026学年高三(上)一诊模拟考试地理试题


6、成都市盐道街中学2025-2026学年高三(上)一诊模拟考试生物试题


1. —Where is mum
—In the living room. She ________ a book at the moment.
A. was reading B. will read C. is reading D. has read
2. We're proud that China ______ stronger and stronger these years.
A. will become B. became C. is becoming D. was becoming
3. —Honey, where are you
—I ________. Just let me put on my shoes.


My pen friend is Lily. She lives in New Zealand. It's next to Australia. She is a smart girl. She likes football. She wants to be a football coach( 教 练 ). She goes to school on foot. She has a brother. His name is Jill. He is only five. He likes singing. Her father is a baseball player. Her mother is a reporter(记者). She works in a TV station(电视台). She is 40 years old She likes using computers. They both go to work by car. They are very happy.
10.Where is New Zealand
A.It's next to America. B.It's next to Australia.
C.It's next to China. D.It's next to Japan
11.What is Jill's hobby
A.He likes football. B.He likes dancing.
C.He likes singing. D.He likes swimming.


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1、成都市盐道街中学2025-2026学年高三(上)一诊模拟考试英语试题


【解析】【解答】由微观反应示意图可知,该反应为硅和NF3在一定条件下反应生成SiF4和氮气的化学方程式为4NF3+3Si3SiF4+2N2。A、由微观反应示意图可知,物质丁是氮气,氮气是由分子构成,每个氮分子是由两个氮原子构成,该说法错误,不符合题意;
B、由化学方程式可知反应前后分子数目减少,该说法错误,不符合题意;
C、反应中甲和丁质量比=(71×4):(28×2)=71:14,该说法正确,符合题意;
D、物质丁是氮气,氮气在空气中的体积分数为78%,该说法错误,不符合题意。
故答案为:C.
【分析】根据反应模型图分析可知,氟化氮和硅在一定条件下反应生成氮气和氟化硅书写成方程式以及方程式的含义,空气中含量最多的是氮气,氮气由分子构成,分子由原子构成来解答。
12.(2025九上·茂南期末)学习了金属活动性后,小华以丙为“数轴”的原点将活动性顺序中的金属分为两部分(如图)。下列说法错误的是


C.化合反应不一定是氧化还原反应
D.根据是否产生丁达尔效应,将分散系分为溶液、浊液和胶体
【答案】C
【详解】A.石墨是单质,而电解质必须是化合物,因此石墨不是电解质,故A错误;
B.仅含一种元素的物质不一定是纯净物,如O2和O3的混合物,故B错误;
C.化合反应是否属于氧化还原反应取决于是否有元素化合价变化,例如CO2与H2O生成H2CO3无化合价变化,属于非氧化还原反应,故C正确;
D.分散系的分类依据是分散质粒子直径大小,而非丁达尔效应,故D错误;


3、成都市盐道街中学2025-2026学年高三(上)一诊模拟考试化学答案