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5、西安市2025届高考教研信息测评卷(5月)数学试题


4、西安市2025届高考教研信息测评卷(5月)数学试题


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熬夜对我们的健康有害。（话题：生活习惯）
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因此，养成良好的生活习惯是非常重要的。（话题：生活习惯）
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更重要的是，自律可以帮助我们为更好更光明的未来做准备。（话题：生活习惯）
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The Start of Spring, or “Lichun”, is a special day in China. It is one of the 24 solar terms (节气). It usually falls on the 3rd, 4th, or 5th of February each year.
Lichun means the end of cold winter and the beginning of warm spring. After this day, the weather starts to get warmer and the grass starts to turn green. Then slowly, people can see more swallows (燕子) flying back from the south. They are coming back to build their nests in the warm north.
Farmers are busy getting ready for spring plowing (春耕). They look forward to a good harvest in the coming year, so they are very happy to welcome this day. On Lichun, some people like to eat spring pancakes to celebrate the arrival of spring. Some children like this day too. They go outside to fly kites with their friends. Now, many young people like to enjoy the first cup of flower tea on Lichun. Lichun is also a time for families to get together, share delicious food and enjoy the beauty of the new season.
51. Which of the following dates could be Lichun
A. February 2nd. B. February 6th. C. February 4th. D. February 8th.
52. How does the writer show his idea in Paragraph 2
A. By talking about nature changes. B. By telling history stories.


6、西安市2025届高考教研信息测评卷(5月)数学试题


2、西安市2025届高考教研信息测评卷(5月)数学试题


6、西安市2025届高考教研信息测评卷(5月)数学试题


1、西安市2025届高考教研信息测评卷(5月)数学试题


5、西安市2025届高考教研信息测评卷(5月)数学试题


6、西安市2025届高考教研信息测评卷(5月)数学试题


D.若加入过量乙酸可以提高醇的转化率
√
16
1
2
3
4


(2)固体、液体的检验、鉴别：一看颜色，二看气体，三辨沉淀。
（三）物质的除杂
1. 基本原则
2. 常见的物质除杂归纳
物质状态 被提纯 物质 杂质 除杂试剂及方法
固体 Fe Fe2O3 在CO气流中加热混合物
CaO CaCO3 高温煅烧混合物


3、西安市2025届高考教研信息测评卷(5月)数学答案