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试题答案

本文从以下几个角度介绍。

    [百师联盟]2026届高三一轮复习第一次调研考试物理(百x)答案

2、[百师联盟]2026届高三一轮复习第一次调研考试历史(百X)试题


6、[百师联盟]2026届高三一轮复习第一次调研考试历史(百X)试题


A． B． C．
(4) How do they cut the cake (他们是如何切蛋糕的) ( )
A． B． C．
26．请帮乐乐完成派对上的数字游戏吧！选择符合规律的单词。
A．four B．five C． eight
(1) one two five seven eight ten
(2) one one two three


8．Why did Lu Xun see woodcut paintings as a useful art form
9．How many views did the videos about Lu Xun get on the video website
10．What did Zhi An think of Lu Xun
阅读下面短文，根据短文内容回答问题。
To help protect people against the novel coronavirus (新冠病毒), scientists have created vaccines (疫苗). These days, people who are between 3 and 59 can get vaccinated (接种疫苗). Here is something about vaccines.
There are many different ways to make vaccines. At least 115 different vaccines for the novel coronavirus are being developed around the world right now. Many of them may not work or may have influences that can be dangerous. That is why testing is very important.
Before a vaccine is ever tested on humans, it’s first tested on animals to make sure it seems safe. Testing the vaccine on humans is done in several different periods. In Period (阶段) 1, a small group of people are given small amounts (数量) of the vaccine to see if it has any bad influences. Period 2 still tests the vaccines safety, but it’s mainly a test to see if the vaccine seems to work. If Period 2 goes well, the vaccine can begin Period 3. During Period 3, the vaccine is tried on a much larger group of people to see how well it works.


1、[百师联盟]2026届高三一轮复习第一次调研 物理(百X)答案


2、[百师联盟]2026届高三一轮复习第一次调研考试生物(百X)答案


5、[百师联盟]2026届高三一轮复习第一次调研考试地理(百X)答案


2、[百师联盟]2026届高三一轮复习第一次调研考试语文(百X)答案


2、[百师联盟]2026届高三一轮复习第一次调研考试英语(百X)试题


1、[百师联盟]2026届高三一轮复习第一次调研考试化学(百X)答案


【课前自主预习】
1.基元反应与反应历程
2HIH2+I2的基元反应反应历程(反应机理)
(1)基元反应:一个化学反应往往经过多个反应步骤才能实现,每一步反应都称为基元反应。
(2)反应历程:与某化学反应有关的一组基元反应反映了该反应的反应历程,又称　　　　。
(3)自由基:像上述反应历程中的I·一样,带有单电子的原子或原子团叫自由基,如·OH自由基。
2.有效碰撞与活化能


理由是______。
②温度为250℃、压强为p2时，该反应的平衡常数Kp=______(Kp为用气体分压表示的平衡
常数，分压=总压×物质的量分数)。
II.氢气的安全储存是氢能应用的关键。
（4）铁镁合金是储氢密度较高储氢材料，其立方晶胞
结构如图所示。
①晶胞中与Fe距离最近且等距离的Mg的个数为_______。


3、[百师联盟]2026届高三一轮复习第一次调研考试化学(百X)答案