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1、榆林市2026届高三第一次模拟测试政治试题


5、榆林市2026届高三第一次模拟测试化学试题


C. Objective. D. Optimistic.
B
　Many people believe that language belongs to human beings. However, cats have developed a language not for each other, but for the human beings who have them as pets.
　　When communicating with each other, cats “talk” with a system of signals. Their tails, rather than any kind of “speech”, act as an important way to express themselves. They also touch each other to express their feelings. With other cats, they will use their voices only to express pain. Unbelievably, all of that changes when a human walks into the room. Cats use many different kinds of vocal(声音的)expressions when they communicate with a person. Since these vocal expressions are not used to communicate with other cats, it seems that cats have developed this “language” to communicate with their human owners.
　　This fact is shown more clearly when researchers are watching rooms that have only one cat and those with several cats. And when there is only one cat in the room, it is usually very vocal, since the only creature around with whom the cat can communicate is its owner. Cats with other cats, though, are much quieter. If they want to have a conversation, they only need go to other cats and communicate in their natural way.
　　Since cats have learned to meow( 喵喵叫) for the only purpose of communicating with human owners, their owners should take the time to learn what their different meows mean. If an owner knows, to name just a few examples, which meow means the cat is hungry, which means the cat wants to be petted, and which means the cat wants to have a little “conversation”, the relationship between cats and owners will be closer.
4. If a cat, together with other cats, finds its body hurts, it may express it with its ______.


The door may opened easily.
44．This model of the helicopter cost me 240 yuan.（改为否定句）
This model of the helicopter me 240 yuan.
45．A cup of coffee at this coffee bar usually costs over 20 yuan. （改为一般疑问句）
a cup of coffee at this coffee bar usually over 20 yuan
46．They were making some cakes for me at that time. (改为一般疑问句)
they any cakes for you at that time


1、榆林市2026届高三第一次模拟测试生物答案


6、榆林市2026届高三第一次模拟测试 答案


6、榆林市2026届高三第一次模拟测试生物答案


5、榆林市2026届高三第一次模拟测试地理答案


1、榆林市2026届高三第一次模拟测试历史试题


1、榆林市2026届高三第一次模拟测试数学答案


山东省青岛第十九中学2024-2025高三上学期期中考试 化学试题
一、单选题
1．下列物质的颜色变化与氧化还原反应无关的是
A．新制氯水久置后，颜色变浅
B．切开的苹果断面变黄
C．染色衣服浸泡到含有双氧水的水中，一段时间再清洗褪色
D．向黄色的铬酸钾()溶液中加入硫酸，溶液变为橙红色


故选C。


3、榆林市2026届高三第一次模拟测试生物答案