[九师联盟]2026届高三4月学业评估化学WW试题
[九师联盟]2026届高三4月学业评估化学WW试题于2026-04-10发布,目前已经汇总了[九师联盟]2026届高三4月学业评估化学WW试题的各科答案和试卷,更多试卷答案请关注本网站。

本文从以下几个角度介绍。
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[九师联盟]2026届高三4月学业评估政治WW试题
[九师联盟]2026届高三4月学业评估化学WW试题
Water poisoning happens when people drink too much water and their kidneys (肾脏)can hardly process it in time.This causes the sodium( 钠 )level in their blood to drop to dangerous levels.
You probably know that high levels of sodium can be unhealthy.That's true, but low levels are also harmful.When there's too little sodium in your body,your cells begin to swell(膨胀) .As a result,many things in your body can go seriously wrong.Your brain may begin to swell.You may get a headache,feel very tired and want to throw up(呕吐) .You may even lose consciousness( 知 觉) .In such cases,water poisoning can be deadly.
Protecting yourself from water poisoning may seem easy —simply don't drink too much water,right In some situations,however,this is easier said than done.For example,when you run a marathon,you may have to drink a lot of water.It is then important to balance the amount of water you drink with the amount of water your body is losing through sweat.This helps you stay healthy whenever you are exercising.
So,how much water should a person drink daily For years,we have been told to drink two litres of water a day.But in fact,the actual amount needed varies from person to person.
We can't live without water.Neither can we live with too much water in our bodies.Make sure you each day—staying healthy is all about _!
71.What causes water poisoning (2’)
72.List at least two symptoms ( 症 状 ) of water poisoning mentioned in the passage.(2’)
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2、[九师联盟]2026届高三4月学业评估英语WW试题
(1)请通过计算说明,乙同学能否在接力区加速至;
(2)若A、B两点间的距离为,求完成交接棒时乙的速度大小;
(3)为了保证甲、乙在接力区完成交接棒时,两者速度相等(这样不容易掉棒),求A、B点间的距离应该是多少米?
【答案】(1)解:设乙同学加速到时通过的位移为,则有
解得
故乙同学不能在接力区加速至;
(2)解:设经过时间两同学相遇完成交接棒,则有
[九师联盟]2026届高三4月学业评估生物WW答案