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试题答案

本文从以下几个角度介绍。

    1、2024年陕西省初中学业水平考试信息卷历史
    2、2024年陕西省初中学业水平考试历史试卷答案
    3、2024年陕西省初中毕业学业考试历史
    4、2024年陕西省初中学业水平考试全真模拟试题历史学科
    5、陕西省2024年初中学业水平考试历史学科试题
    6、2024年陕西省学业水平考试历史真题
    7、2024年陕西省初中毕业学业考试历史答案
    8、陕西省2024年学业水平考试试卷历史
    9、2024年陕西省初中学业水平考试全真模拟试题历史
    10、2024年陕西省初中学业水平考试副题历史

6、[X-2]2025年陕西省初中学业水平考试信息卷地理A试题


6、[X-2]2025年陕西省初中学业水平考试信息卷生物A试题


第二节（满分25分）
67. 阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。
The Shepherd Boy and the Wolf
Once upon a time, in a nice village at the bottom of a green hillside, there was a young shepherd boy called Alex. Alex had to look after his family’s group of sheep. The sheep ate grass quietly on the green meadows that seemed to go on forever. Even though the place around him was very beautiful and calm, Alex often felt alone and bored. His days were mostly just him by himself, only sometimes a traveler or a village kid passing by.
One sunny afternoon, when the warm sun was shining all over the land, Alex wanted to have some fun by playing a joke on the villagers who didn’t know what was coming. With a twinkle in his eye, he went up to the top of the hill and cupped his hands around his mouth. “Wolf! Wolf!” he shouted really loudly. His voice echoed around the valley. The villagers, when they heard the boy asking for help, stopped what they were doing right away and ran to the hill. They had sticks and tools from farming, all set to protect the boy and his sheep from a scary wolf. But when they got there, all out of breath from running, there wasn’t any wolf at all. The boy just sat there, with a naughty smile. The villagers then knew they had been tricked. They started to laugh, but it was a kind of worried laugh, and they were a bit angry too because they had been made to look silly.
Alex didn’t care about it. He thought his joke was really funny and so he did it again the next day. Once more, he went up to that place and yelled, “Wolf! Wolf! Hurry up!” This time, not as many villagers came when they heard him, because they remembered the wrong alarm from the day before. Those who did come also made some awkward laughter but deep down, they didn’t trust him as much anymore.
注意：


要求：


4、[X-2]2025年陕西省初中学业水平 信息卷 A答案


5、[X-2]2025年陕西省初中学业水平考试信息卷地理A答案


2、[X-2]2025年陕西省初中学业水平考试信息卷历史A答案


4、[X-2]2025年陕西省初中学业水平考试信息卷 A答案


6、[X-2]2025年陕西省初中学业水平考试信息卷数学A试题


4、[X-2]2025年陕西省初中学业水平考试信息卷政治A答案


(1)粗盐提纯实验步骤及所需玻璃仪器为：量取一定体积的水需要用到量筒和胶头滴管，溶解(烧杯、玻璃棒)、过滤(烧杯、漏斗、玻璃棒)、蒸发(酒精灯、玻璃棒)，故还缺少玻璃棒；(2)由图可知，称量的粗盐的质量为1.2 g；(3)在进行蒸发操作时，当蒸发皿中出现较多固体时，停止加热，利用蒸发皿的余热使滤液蒸干；(4)氯化钠的溶解度受温度影响不大，故通过蒸发所得溶液中溶剂的方法而不是用降低溶液温度的方法来获取食盐晶体；(5)如果最后得到精盐的质量为3.3 g，则其产率为×100%≈86.8%；(6)实验得到的精盐中还含有可溶性杂质，属于混合物。
四、计算题(9分)
21．兴趣小组同学得知鸡蛋壳的主要成分是碳酸钙，就用它来测定某瓶标签破损的稀盐酸中溶质的质量分数。称取5.5 g干燥的鸡蛋壳(杂质不参加反应)于烧杯中，再将75 g该稀盐酸分3次加入，充分反应后得到实验数据如下：
第一次 第二次 第三次
稀盐酸的质量/g 25 25 25
剩余固体的质量/g 3 0.5 0.5
请计算：


【详解】A、镓是一种奇妙的金属，放在手心马上熔化，说明金属镓的熔点低，说法错误；
B、化学反应中，当原子的最外层电子数小于4时，容易失去电子，镓原子最外层3个电子，易失去电子，说法错误；
C、原子结构示意图中，圈内的数字表示该原子的质子数，镓原子核内质子数为31，说法正确；
D、相对原子质量单位为1，一般不写出，故镓的相对原子质量为69.72，说法错误。
故选C。
6．D
【详解】①合金是在一种金属中加热熔合其他金属或非金属而形成的具有金属特性的物质，所以合金具有金属的特性，此说法正确；②由合金的定义可知，合金通过熔合而成，此说法正确；


3、[X-2]2025年陕西省初中学业水平考试信息卷化学A答案