[天一大联考]20252026学年(上)高三开学考生物试题
[天一大联考]20252026学年(上)高三开学考生物试题于2025-09-05发布,目前免费查试卷答案网站已经汇总了[天一大联考]20252026学年(上)高三开学考生物试题的各科答案和试卷,更多试卷答案请关注免费查试卷答案网站。

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六、选词填空(10道)
invention, fair, artificial, cost, lend, 3 - D, brain, signal, weigh, scientist
The ______ is very important for our thinking.
We are going to visit a science ______ this Sunday.
This ______ flower is very beautiful. You can't tell it's not real at first sight.
The new car ______ him a lot of money.
Can you ______ me your bike Mine is broken.
Play sports.
Do you like soccer, basketball or volleyball Every sport can help you to be active and healthy. Play sports every day, and you can be healthy. If you want to play some sports with your friends, just do it.
Sleep well.
You must sleep for eight or nine hours a day. It’s healthy for you. Go to bed early at night, and you can get up early in the morning. Then you can have a good day at school.
Make friends.
Friends can help you and make you happy. When you are happy, you are healthy too.
It’s not easy to be healthy. But if you keep doing the above things, you can make it.
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C. D.
考点4:实验仪器操作
【例5】(24-25下·湖北黄石·阶段练习)下列操作正确的是
A.配制溶液 B.吸取试剂
C.滴加液体 D.加热试剂
【例6】(2025·广东汕头·二模)规范的操作是实验成功的保证。下列实验操作中正确的是
A. B. C. D.
3.解析:由图可知,其他条件相同时,随着温度升高,平衡时Ni(CO)4的体积分数减小,说明升高温度,平衡逆向移动,则该反应为放热反应,ΔH<0;该反应为气体分子数减小的放热反应,降低温度、增大压强,平衡均正向移动,均有利于Ni(CO)4的生成;增大压强,平衡正向移动,Ni(CO)4的体积分数增大,则p3对应压强为1.0 MPa,由图可知,p3、100 ℃时,Ni(CO)4的体积分数为0.9,设起始时CO的物质的量为4 mol,达到平衡时转化的CO为4x mol,列三段式:
Ni(s)+4CO(g)Ni(CO)4(g)
起始量/mol 4 0
转化量/mol 4x x
平衡量/mol 4-4x x
则=0.9,解得x=,所以CO的平衡转化率为=;达到平衡时Ni(CO)4的体积分数为0.9,分压为0.9 MPa,CO的体积分数为0.1,分压为0.1 MPa,则平衡常数Kp==9×103(MPa)-3。
答案:小于 低温、高压 9×103
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