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试题答案

本文从以下几个角度介绍。

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6、重庆市杨家坪中学2025-2026学年高一(上)第二次月考政治试题


3、重庆市杨家坪中学2025-2026学年高一(上)第二次月考化学试题


20．A．none B．both C．neither D．either
When you wave to a friend, you are using sign language (手语). When you smile at someone, you mean to be 21 . When you put one finger in front of your 22 , you mean “Be quiet”. Yet, people in different countries may use different sign languages.
Once an Englishman was in Japan. He could 23 little Japanese. One day while he was walking in the street, he felt 24 and went into a restaurant. When the waiter came, the Englishman 25 his mouth, put his fingers into it and took them out again and moved his lips (嘴唇). In this way, he 26 to tell the waiter (服务员), “Bring me something to eat.” But the waiter brought him a lot of things to 27 . First tea, then coffee, then milk, but no food. The Englishman was 28 that he could not tell the waiter he was hungry. He was ready to leave the restaurant when another 29 came in and put his hands on his stomach (肚子). And this sign was 30 enough for the waiter. In a few minutes, the waiter brought him a large plate of bread and meat. At last the Englishman had his meal in the same way.
21．A．sad B．friendly C．quiet D．rude
22．A．eye B．nose C．mouth D．arm
23．A．go B．bring C．give D．speak
24．A．hungry B．bored C．hot D．worried


58．A给，B打开，C歌曲，D带来，ABD是动词，C是名词，故选C。
59．A男人，B小孩，C女人，D公共汽车，ACD是人称，B是交通工具，故选B。
60．A 61．D 62．C 63．C 64．A
【分析】60．A桌子，B卫生间，C客厅，D厨房，A是家具用品，BCD是房间，故选A。
61．A早饭，B午饭，C晚饭，D钟表，ABC是一日三餐的名称，D是物品名称，故选D。
62．A他，B我，C你的，D他们，ABD是人称代词宾格，C是物主代词，故选C。
63．A司机，B教师，C先生，D学生，ABD是职业，C是对男士的称呼，故选C。


6、重庆市杨家坪中学2025-2026学年高一(上)第二次月考化学答案


3、重庆市杨家坪中学2025-2026学年高一(上)第二次月考生物答案


3、重庆市杨家坪中学2025-2026学年高一(上)第二次月考政治答案


6、重庆市杨家坪中学2025-2026学年高一(上)第二次月考数学答案


6、重庆市杨家坪中学2025-2026学年高一(上)第二次月考语文试题


6、重庆市杨家坪中学2025-2026学年高一(上)第二次月考物理答案


D．向反应体系中加入与体系中相同浓度的反应物，活化分子百分数增大，化学反应速率增大
12．(24-25上·广东深圳深圳盟校·期中)将11.2g铁粉投入到盛有200mL3mol/L稀盐酸的烧杯中，5min时铁粉刚好完全溶解(溶解前后溶液体积变化忽略不计)，下列表示此反应的速率正确的是
A． B．
C． D．
13．(24-25上·湖北武汉重点中学5G联合体·期中)室温下，为探究纳米铁去除水样中的影响因素，测得不同条件下浓度随时间变化关系如下图。
实验序号 水样体积/mL 纳米铁质量/mg 水样初始pH
① 50 8 6


A．液态氧 B．矿泉水 C．酸牛奶 D．食用醋
2．下列物质的用途主要与其化学性质有关的是
A．金刚石用于切割玻璃 B．铜常用于做电线电缆
C．酒精用作实验室燃料 D．液氮用作医疗冷冻剂
3．下列现象主要是由化学变化引起的是
A．花香四溢 B．滴水成冰 C．铁锅生锈 D．电灯发光
4．下列化学用语正确的是


3、重庆市杨家坪中学2025-2026学年高一(上)第二次月考生物答案