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试题答案

本文从以下几个角度介绍。

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3、广东高中2025~2026学年度高二第一学期期中考试(26-L-148B)地理试题


4、广东高中2025~2026学年度高二第一学期期中考试(26-L-148B)生物试题


C．Each person can do a lot to support ecotourism and sustainable tourism.
D．The rate tourism contributes to man-made emissions will probably increase by 5.3%.
D
Stressed. Anxious. Tired. This is how many employees feel at work because of stressors like longer work hours and the need to do more with fewer resources. Such work stress has been shown to bring about anxiety and anger, and damage personal performance. Typically, there are two ways people try to deal with this stress. One is to simply power through—to focus on getting the stressful work done. The other common strategy is to back down—to temporarily (暂时地) disconnect from work and get away from the stressful environment.
Unfortunately, both “pushing through” and “getting away” have potential (潜在的) risk. Researches have long believed that we humans have limits in dealing with heavy workloads, which restrict our ability to always go all out. Continuing to make great efforts while stressed will simply tax us and lead to tiredness and damaged performance. While putting off the work can provide temporary relief, it does not address the real problems that cause stress in the first place. When we return from a break, we are not only faced with the same problems, but we may also experience additional guilt and anxiety.
So what else can employees do to weaken the ill effects of stress Researchers suggest a third option: focusing on learning. It means gathering new information, picking up a new skill, or seeking out mental challenges. Researchers found learning equips us with new abilities to address or even prevent future stressors. Additionally, taking time to reflect on what we know and learn new things helps us develop a sense of achievement. Plus, learning also helps connect us to a purpose of growth and development.
What specifically can you do to increase learning when faced with stress at work First, start from the inner heart. Practice viewing stressful work as challenges in your mind. It shifts your mindset and better prepares you to approach the task. Second, work and learn with others. Getting out and discussing a stressor with your peers and co-workers might have a deeper understanding. Third, shape learning activities as a new form of “work break” from your routine tasks at work.


165．A．Suddenly B．Quickly C．Slowly D．Usually
阅读下面短文，从短文后各题所给的A、B、C三个选项中，选出可以填入空白处的最佳选项。
My name is Selina White. I am a student at No.45 Middle School. We have some 166 at school and at home. We can’t get to 167 late. We have to finish our homework. We can’t stay out 168 school nights. We 169 wear the school uniform at school. Some students think these rules are 170 , and they don’t like them.
But I don’t agree with them. I think these rules can help 171 a lot. If we don’t follow them, 172 can we do well in our studies For example, our teachers ask us to clean our classroom after school. If we don’t, the classroom can be very 173 . It is bad for our health, too. If your parents ask you 174 to bed early and you don’t listen to them, you can’t get up 175 next morning. Everyone needs some rules. Do you think so
166．A．books B．clothes C．rules
167．A．school B．home C．hallway
168．A．at B．in C．on


4、广东高中2025~2026学年度高二第一学期期中 (26-L-148B)语文答案


3、广东高中2025~2026学年度高二第一学期期中考试(26-L-148B)生物答案


1、广东高中2025~2026学年度高二第一学期期中考试(26-L-148B)生物答案


1、广东高中2025~2026学年度高二第一学期期中考试(26-L-148B)历史答案


3、广东高中2025~2026学年度高二第一学期期中考试(26-L-148B)生物学试题


4、广东高中2025~2026学年度高二第一学期期中考试(26-L-148B)生物答案


【解析】试题分析：鉴别物质时，首先对需要鉴别的物质的性质进行对比分析找出特性，再根据性质的不同，选择适当的试剂，出现不同的现象的才能鉴别．
解：氧气能支持燃烧，二氧化碳不能燃烧、也不能支持燃烧，把燃着的木条分别伸入两种气体中，若木条燃烧的更旺，则是氧气；若木条熄灭，则是二氧化碳；现象明显，能一次鉴别出这两种气体．
氧气能支持燃烧，将带火星的木条分别伸入两种气体中，木条复燃的是氧气，木条熄灭的是空气．
自来水和蒸馏水的区别在于自来水含可溶性钙镁化合物，生活中可用肥皂水来区分，产生泡沫较多的是蒸馏水，较少的是自来水．
故答案为：；把燃着的木条分别伸入两种气体中，木条燃烧的更旺的是氧气，木条熄灭的二氧化碳合理均可．
24.【答案】温度上升后，汞原子之间的间隙增大，使水银的体积增大
【解析】试题分析：依据反应物、生成物书写方程式；微观粒子之间有间隔，温度越高，间隔越大．


8.下列变化中，既属于化合反应又属于氧化反应的是
A.碱式碳酸铜加热，氧化铜+水+二氧化碳B.石蜡+氧气点燃水+二氧化碳
C.碳+氧气点燃二氧化碳
D.氢气+氧化铜加热→铜+水
9.观察现象是化学实验的重要环节，下列实验现象描述错误的是
A.木炭在氧气中燃烧发出红光
B.铜绿加热固体变黑，管口出现水珠


3、广东高中2025~2026学年度高二第一学期期中考试(26-L-148B)化学答案