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北斗星盟2025-2026学年下学期高三5月联考物理试题

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北斗星盟2025-2026学年下学期高三5月联考物理试题于2026-05-29发布，目前已经汇总了北斗星盟2025-2026学年下学期高三5月联考物理试题的各科答案和试卷，更多试卷答案请关注本网站。

试题答案

本文从以下几个角度介绍。

北斗星盟2025-2026学年下学期高三5月联考历史试题

【答案】24. A 25. D 26. B 27. C
C
On September 7, 1991, the costliest hailstorm (雹暴) in Canadian history hit Calgary’s southern suburbs. As a result, since 1996 a group of insurance companies have spent about $2 million per year on the Alberta Hail Suppression Project. Airplanes seed threatening storm cells with a chemical to make small ice crystals fall as rain before they can grow into dangerous hailstones. But farmers in east-central Alberta — downwind of the hail project flights — worry that precious moisture (水分) is being stolen from their thirsty land by the cloud seeding.
Norman Stienwand, who farms in that area, has been addressing public meetings on this issue for years. “Basically, the provincial government is letting the insurance companies protect the Calgary-Edmonton urban area from hail,” Mr. Stienwand says, “but they’re increasing drought risk as far east as Saskatchewan.”
The Alberta hail project is managed by Terry Krauss, a cloud physicist who works for Weather Modification Inc. of Fargo, North Dakota. “We affect only a very small percentage of the total moisture in the air, so we cannot be causing drought.” Dr. Krauss says. “In fact, we may be helping increase the moisture downwind by creating wetter ground.”
One doubter about the safety of cloud seeding is Chuck Doswell, a research scientist who just retired from the University of Oklahoma. “In 1999, I personally saw significant tornadoes form from a seeded storm cell in Kansas,” Dr. Doswell says. “Does cloud seeding create killer storms or reduce moisture downwind No one really knows, of course, but the seeding goes on.”
Given the degree of doubt, Mr. Stienwand suggests, “It would be wise to stop cloud seeding.” In practice, doubt has had the opposite effect. Due to the lack of scientific proof concerning their impacts, no one has succeeded in winning a lawsuit against cloud-seeding companies. Hence, private climate engineering can proceed in relative legal safety.

北斗星盟2025-2026学年下学期高三5月联考历史试题

4、北斗星盟2025-2026学年下学期高三5月联考化学试题

西
太
洋
洋
大豆主产区
7.巴西大豆主产区主要位于（)
A.亚马孙平原

3、北斗星盟2025-2026学年下学期高三5月联考政治试题

2、北斗星盟2025-2026学年下学期高三5月联考生物学试题

4、北斗星盟2025-2026学年下学期高三5月联考数学试题

C．透镜不动，蜡烛向右移动，光屏向左移动，可再次得到清晰的像
D．凸透镜成像实验中，成在光屏上清晰的像都是实像
三、作图题
12．（2024八上·河西期末）根据入射光线和折射光线，在图中的虚线框内画出适当类型的透镜。
13．（2024八上·安徽期末）如图所示，请你画出由烛焰上S点发出的三条光线经过凸透镜折射后的光线，并画出发光点S的像点S＇。
14．（2024八上·普宁期末）如图所示，凸透镜的主光轴与水面重合，F是凸透镜的焦点，水中有一平面镜。一束与水面平行的光线经凸透镜折射后进入水中，再经过水中的平面镜反射后恰好过P点。请画出：经过凸透镜的折射光线；进入水中的折射光线；经平面镜后的反射光线。
15．（2024八上·永定期末）凸透镜也可以成正立放大的虚像，请你利用凸透镜三条特殊光线画出蜡烛烛焰S的像S'的光路图。

北斗星盟2025-2026学年下学期高三5月联考化学答案

北斗星盟2025-2026学年下学期高三5月联考语文试题

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