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本文从以下几个角度介绍。

    1、2024年麦积区高三第二次检测试卷
    2、2024年麦积区高三第一次检查
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    5、2024年麦积区初中毕业与升学适应性检测考试语文
    6、麦积区高考成绩
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    8、麦积区中考
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5、麦积区2026届高三级第一次检测试卷数学试题


5、麦积区2026届高三级第一次检测试卷生物试题


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Seven people have died in a landslide caused by pouring rains in Indonesia's Sumatra island, officials said on Thursday, adding to the death toll(死亡人数) from landslides in the region this week. Rescuers recovered the bodies of the victims, including a driver and passengers, from a tourist bus that was covered by trees, mud, and rocks in the landslide on the road from Medan city to Berastagi town in Indonesia's North Sumatra province. The route is the main access from the capital Medan to other districts in the region.
The bus was among vehicles that had been cut off by landslides on the road sinceWednesday morning. More than 10 people were also injured and have been relocated to the hospital in Medan city.
Muji Ediyanto, traffic director of the North Sumatra Regional Police, said in a video message distributed by Indonesia's National Search and Rescue Agency on Thursday that some vehicles remain trapped between the landslide locations along that road. “It will take at least two days to withdraw them from the landslide. Several vehicles are still trapped by piles from the landslides. There are also fallen trees at several points and landslides and the vehicles have not been able to get out of the locations,” Ediyanto said.
Earlier this week,20 people died after flash floods and landslides at four locations in the mountainsides of North Sumatra province, including Karo regency that is located less than 20kilometers from the most-recent landslide location.
Seasonal rains from around October through to March frequently cause flooding and landslides in Indonesia, an archipelago(群岛) of 17,000 islands where millions of people live in mountainous areas or near fertile(肥沃的) flood plains.
24. What happened to the tourist bus


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4、麦积区2026届高三级第一次检测试卷化学答案


3、麦积区2026届高三级第一次检测试卷生物学答案


4、麦积区2026届高三级第一次检测 答案


4、麦积区2026届高三级第一次检测试卷历史答案


5、麦积区2026届高三级第一次检测试卷地理试题


4、麦积区2026届高三级第一次检测试卷 答案


已知：①、、为原子或烃基；
②；
③。
回答下列问题：
（1）的反应类型为_____。
（2）PVAc与氢氧化钠溶液反应转化为C和另一产物，则另一产物的化学式为_____。
（3）写出的化学方程式：_____。


③以上实验步骤中，不需要用到的图中的实验仪器有 (填字母)。
Ⅱ．Na2HPO4—KH2PO4混合溶液抗酸能力的探究
【查阅资料】
ⅰ．抗酸能力是指溶液在加入少量酸(如HCl)后，其pH值基本保持不变的能力。加入酸的量相等时，溶液的pH变化越小，抗酸能力越强。
ⅱ．NapHPO4-KH2PO4混合溶液具有的抗酸能力，且能力大小与[c(NaHPO4)+c(KH2PO4)]、有关。
ⅲ．25℃，H3PO4的各级电离平衡常数分别为pKa1=2.2，pKa2=7.2，pKa3=12.7(pKa=-lgKa)。
【实验探究1】小组设计实验探究相同时，[c(NaHPO4)+c(KH2PO4)]对混合溶液抗酸能力的影响，溶液配制方案如表。分别向溶液1、溶液2、溶液3中滴加0.1mol·L'盐酸，溶液的pH随加入盐酸滴数的变化情况如图所示。


3、麦积区2026届高三级第一次检测试卷化学答案