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试题答案

本文从以下几个角度介绍。

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3、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)试题


4、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)试题


【28题答案】
【答案】unaware
【29题答案】
【答案】us
【30题答案】
【答案】hung
【31题答案】


A company in Beijing named Hanwang has announced that their product can correctly recognize（识别）95 percent of people wearing masks. What’s the secret
A professor at an American University studies facial recognition technology. “As getting older”, he said, “our faces change shape.”
Facial recognition software is about more than just unlocking your phone. It’s about public safety. For example, you don’t need to show an ID card, which can be lost or stolen. It also means that diseases aren’t spread by touching things. It has become especially important now because of the COVID—19. It helps with safety and peace of mind.
More than that, facial recognition can be used to fight crime（犯罪活动）. It can notice crime and terrorists. The technology is used by police in places like government buildings
There is also a weakness of this technology: it fails when people wear both a mask and sunglasses. In this situation, all of the key facial information is lost.
83．According to the passage, people depend on facial recognition technology to do the following things except ________.
A．unlocking their phones B．turning on a TV C．opening the doors D．paying for things quickly


6、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)试题


4、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)试题


5、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)试题


1、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)试题


3、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)试题


6、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)试题


(5)③④/④③


(1)三大基本有机反应类型
①取代反应：酯化、水解、硝化、卤代等反应。
②加成反应：烯、炔、醛、酮、芳香化合物等。
③消去反应：醇、卤代烃。
(2)氧化还原反应
“加氢或去氧为还原，加氧或去氢为氧化”。如为还原反应，醇醛羧酸为氧化反应。
(3)加聚反应：烯烃、二烯烃、炔烃的加聚。


3、[1号卷]A10联盟2025级高一上学期10月学情诊断数学(北师大版)答案