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试题答案

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3、[百师联盟]2025届高二下学期综合测试卷数学RA试题


2、[百师联盟]2025届高二下学期综合测试卷数学RA试题


Little Mary’s grandparents have a farm. On the farm there are many kinds of 16 , such as cows, dogs and cats. She likes to play with them because they make her 17 .
On the farm there is also a little elephant. It has no mother. And it never plays with 18 animals. It often walks around by itself. Mary thinks this is why she likes it so 19 .
Many times, Mary 20 the elephant how sorry she is for the death (死亡) of its mother. She loves talking with it and the elephant becomes (变得) 21 to Mary. When it sees Mary on the farm, it runs up to her 22 a little dog. Sometimes it follows her into a wood (树林). There Mary sits on the ground and 23 a book; the little elephant stands by Mary.
Her grandfather often asks her, “ 24 does the elephant like you so much ” “Oh, because I love it, Grandpa.” Mary answers.
Grandpa thinks Mary is 25 . Animals are our friends. We should love them.
16．A．fruits B．trees C．animals D．vegetables
17．A．sad B．happy C．angry D．tired


2024-2025四年级英语下册期中复习专项牛津上海版（试用本）
专题08 阅读理解-任务型10篇（专项训练）
学校:___________姓名：___________班级：___________考号：___________
William can't see well because he doesn't have good eyes. He is walking on the road in the country. —There is a black bird sitting on a large stone by the side of the road, but he can't see very well and he thinks the bird and the stone are a man. He goes up and asks, “Can you tell me the way to the next town, please ” There is no answer. “Can you tell me how to go to the next town, please ” he asks again. There is no answer again.
William is not angry and says, “Well, you don't tell me the way to the next town, so I'm not going to tell you that your hat is flying away.”
1．Can William see very well
2．What's William doing on the road in the country


2、[百师联盟]2025届高二下学期综合测试卷数学RA答案


4、[百师联盟]2025届高二下学期综合测试卷数学RA答案


3、[百师联盟]2025届高二下学期综合测数学RA答案


4、[百师联盟]2025届高二下学期综合测试卷数学RA答案


3、[百师联盟]2025届高二下学期综合测试卷数学RA试题


2、[百师联盟]2025届高二下学期综合测试卷数学RA答案


① 将通入足量KI溶液中，加入稀硫酸，再加入几滴淀粉溶液
② ，再滴加几滴溶液 具有还原性
(3)“有效氯含量”可用来衡量含氯消毒剂的消毒能力，其定义是：每克含氯消毒剂的氧化能力相当于多少克的氧化能力(氧化能力相同，即有效氯生成氯离子时，转移电子数目相同)。的有效氯含量为
(计算结果保留两位小数)。
【答案】(1) 还原性 得到 或
(2) 溶液变蓝色 具有氧化性 在试管中加入少量酸性高锰酸钾溶液 溶液紫色褪色
(3)1.57


可能用到的相对原子质量：H-1 C-12 N-14 O-16 Na-23 Cl-35.5 Ca-40
一、单项选择题（本大题共20小题，每小题2分，共40分。在每小题列出的四个备选项中，只有一项符合题目要求，错选、多选或未选均不得分。）
1. 下列各项物质中，不属于我国《环境空气质量标准》基本监控项目的是
A. SO2 B. O3 C. CO2 D. PM2.5
2. 中华文化博大精深。下列过程中，只涉及物理变化的是
A. 钻木取火 B. 醋的酿造 C. 甲骨刻字 D. 火药爆炸
3. 下列饮品属于溶液的是


3、[百师联盟]2025届高二下学期综合测试卷数学RA答案