云南高中20252026学年上学期高三年级12月份考试历史答案于2025-12-11发布,目前免费查试卷答案网站已经汇总了云南高中20252026学年上学期高三年级12月份考试历史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。

试题答案

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5、云南高中2025-2026学年上学期高三年级12月份考试地理试题


5、云南高中2025-2026学年上学期高三年级12月份考试生物试题


A. cleaning; do B. to clean; do C. cleaning; will D. to clean; will
用should和had better提建议
当我们给他人提建议时,可以用should和had better,表示“应该”或“最好”做某事,had better语气比should强一些。如:
You had better water the flowers as soon as possible. 你最好尽快给花浇水。
All of us should take part in this activity. 我们每个人都应该参加这项活动。
注意:should和had better都是情态动词,后接动词原形,而且均没有人称和数的变化。
had better中的had常缩略为 'd。如:


Hi, my name is Simon. I live 1 my family in a new neighbourhood. There 2 lots of tall buildings in our community (社区) centre. Every day 3 (thousand) of people come and visit it. 4 (we) community centre is like a big family.
My family members are social workers. My father is a computer engineer. He often helps others check and fix their computers. My mother is a college teacher. She always 5 (try) to help students with their homework. At weekends, my sister and I often go to see the old people and do some 6 (shop) for them. Our neighbours are all kind and 7 (help). They always say “Hello” to us when they meet us. When our bicycles are 8 (break), they are ready to help us. Love House is our favourite place. We go there when we need help with all 9 (kind) of problems.
We love our community centre. We think we’re 10 (luck) to have a community centre like this.
七、选词填空:根据语境,选择方框中短语或单词补全短文,注意词形变化(每个短语或单词只用一次)。
happy, be, add, way, several, hang, when, joy, clean, important
Home is more than just a building. It should be a warm and comfortable place for everyone. As students, there are 1 things you can do to make your home more inviting.
First, keeping the house clean is important. You can start by 2 up your bedroom. Put your toys and books in order, and make your bed every morning. Sweeping the floor and setting the table are also easy 3 to help. A clean home 4 always nice to live in.


5、云南高中2025-2026学年上学期高三年级12月份 数学答案


2、云南高中2025-2026学年上学期高三年级12月份考试生物答案


4、云南高中2025-2026学年上学期高三年级12月份考试物理答案


6、云南高中2025-2026学年上学期高三年级12月份考试语文答案


5、云南高中2025-2026学年上学期高三年级12月份考试 试题


5、云南高中2025-2026学年上学期高三年级12月份考试历史答案


9.下列实验现象的描述不正确的是
A.红磷在空气中燃烧,产生白烟,生成五氧化二磷固体
B.镁条在空气中燃烧发出耀眼白光,放出热量,生成白色固体
C.细铁丝在氧气中燃烧,火星四射,生成黑色固体
D.硫在空气中燃烧,发出淡蓝色火焰
10.下列有关物质燃烧实验中,说法错误的是
A.甲中观察到烧杯内壁有水雾,说明石蜡燃烧生成了水


(2)碳酸钙中的阴离子是碳酸根离子,碳酸根离子带两个单位的负电荷,离子符号的书写,将数字和正负号标在元素符号的右上角,先写数字,后标正负号,数值为1,省略不写,个碳酸根离子表示为:;
(3)碳酸钙中钙、碳、氧元素的质量比为40:12:(16×3)=10:3:12;
(4)见答案;
(5)如果每天服用2片钙片,则每天至少可以摄入的钙元素的质量为0.75g×2×40%=0.6g。
10.(24-25九上·湖南株洲二中莲花中学·期中)碳酸钙是一种无机化合物,化学式为CaCO3,是石灰石、大理石等的主要成分。它是地球上常见物质之一,存在于霰石、方解石、白垩、石灰岩、大理石、石灰华等岩石内,亦为某些动物骨骼或外壳的主要成分。碳酸钙也是重要的建筑材料,工业上用途甚广。
(1)碳酸钙中钙元素、碳元素、氧元素的质量比为 ;
(2)碳酸钙中钙元素的质量分数为多少?(书写计算过程)


3、云南高中2025-2026学年上学期高三年级12月份考试化学答案