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试题答案

本文从以下几个角度介绍。

    东北精准教学联盟2026届上学期高三联考地理试题

2、东北精准教学联盟2026届上学期高三联考地理试题


5、东北精准教学联盟2026届上学期高三联考化学试题


On Mingguang Road there is a famous bookshop. By reading all kinds of books, visitors can better understand the culture and traditions of Xi’an. “Xi’an was the capital of a few dynasties, such as the Qin Dynasty and the Tang Dynasty,” said Li Ling, the shop worker of the bookshop.
“I want to help customers learn about the dynasties. That’s why I chose to work here.” Li Ling said.
根据语篇内容，按要求回答下列问题。
43．When did many young people go to Xi’an
44．What does “Citywalk” mean
45．How long may visitors stay in Xi’an according to Liu Peixuan
46．How can visitors better understand the culture and traditions of Xi’an


21. B 细节理解题。根据第二个考古发现中的“Since then, archaeologists have worked to
uncover extraordinary architecture and artifacts (史 前 古 器 物 ) of the Mycenaean age,
including the impressive tomb of the Griffin Warrior, whose riches are revealed in these
pages.”可知，在 Pylos 的一项重大发现是一座包含珍贵文物的墓葬。故选 B。
22. A 细节理解题。根据第三个考古发现中的“Read about how these ingenious artists created
and moved the immense (巨大的) statues, theories of what may have happened to the island’s
ancient inhabitants, and how today’s Rapanui people are embracing these extremely


5、东北精准教学联盟2026届上学期高三联考数学试题


5、东北精准教学联盟2026届上学期高三联考历史试题


5、东北精准教学联盟2026届上学期高三联考数学试题


2、东北精准教学联盟2026届上学期高三联考数学试题


2、东北精准教学联盟2026届上学期高三联考化学试题


5、东北精准教学联盟2026届上学期高三联考物理试题


14.(1)
2H2O+Cl2+SO2=H2S04+2HCI
C12;HS04;(2)
2Mn0,+16H+10C1=2Mn+5C12↑+8H0;(3)ab;
15.Ba(NO3)2 Na2CO3..NaCl.
CuSO4NaNO3
①Ba2++C032=BaC03↓②BaC03十2H=Ba2++C02↑+H20


请将下面的化学反应方程式补充完整：
Fe2O3+⑤　 　H2SO4=Fe2(SO4)3+3⑥　 　
【答案】900；红；大量气泡；正确；3；H2O
【知识点】用水稀释改变浓度的方法；实验探究物质的性质或变化规律；化学方程式的书写与配平
【解析】【解答】 【实验准备】 将100g溶质质量分数为98％的浓硫酸稀释成溶质质量分数为9.8％的稀硫酸，所得9.8%的稀硫酸质量为100g×98%÷9.8%=1000g，则需要水的质量是1000g-100g=900g.
【实验验证】 猜想一正确，即稀硫酸能使紫色石蕊溶液变红 ，则向稀硫酸中滴入紫色石蕊溶液，会观察到溶液变红色。
猜想二正确，则稀硫酸也能与铝反应产生氢气，向装有打磨后的铝条的试管中滴入稀硫酸，会观察到有气泡产生。


3、东北精准教学联盟2026届上学期高三联考生物答案