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6、[湖南省]2025届高三一起考大联考(模拟四)地理试题


4、[湖南省]2025届高三一起考大联考(模拟四)生物试题


A. A travel guide. B. A science magazine. C. A storybook.
C
Plastic waste in the ocean is a big problem. It’s harmful to more than 800 kinds of sea animals. To deal with this problem, scientists have invented special robots that can clean up rubbish on the water. These robots are called Ocean Cleanup Drones (无人机).
They have large collection nets and tools to catch plastic waste of most different sizes. And the solar panels (太阳能电池板) on their surfaces get energy from the sun, allowing them to keep on working without needing other power source. The drones find plastic waste and move towards it through AI technology.
In a test that was done in the Pacific Ocean early in 2024, the Ocean Cleanup Drones were able to remove as much as 12 tons of rubbish every month. Because of this, local fishermen can now see cleaner water and healthier fish. But experts say that they can’t pick up tiny pieces of plastic, called micro-plastics. So the Ocean Cleanup Drones need improving. According to Dr. Lee, who leads the project, the most important thing is still to stop pollution.
Everyone can help reduce plastic waste by developing good habits. One easy way is using reusable water bottles instead of single-use ones. This simple change can cut down a person’s plastic waste by 60%. We can avoid products with too much packaging and say no to plastic bags when shopping. We should choose eco-friendly products and recycling properly in daily life. By working together, we can make our oceans cleaner and safer for all living things.
8 What can Ocean Cleanup Drones do


59．second


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6、[湖南省]2025届高三一起考大联考(模拟四)化学答案


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5.(2023·南京期末)冰的晶胞结构如图所示。下列相关说法不正确的是


【详解】A.形成化学键的2个原子的电负性差别越大，化学键的极性越大。N的电负性比P大，
但N与CI的电负性大小相近，电负性差小，所以N-C1键的极性比PC1键的极性小，两分子均
为三角锥形结构，矢量加和后可知NC分子的极性比PCI3的小，选项A错误。
B.N的半径比P的小，2p轨道肩并肩重叠程度大，N原子间形成π键强，P与P之间3p轨道之
间的重叠程度因轨道间距的增大而减小，所以N=N的稳定性比P=P的高，选项B正确。
C.因为N的价层电子排布式为2s22p3,该能层没有d轨道：P的价层电子排布式为3s3p3,该能
层还有3d空轨道，3s2上的电子可激发1个电子到3d上成为3s3p33d,然后形成即3d杂化与5


3、[湖南省]2025届高三一起考大联考(模拟四)化学答案