[青桐鸣]2025-2026学年下学期高三内部练(4月)化学试题

[青桐鸣]2025-2026学年下学期高三内部练(4月)化学试题于2026-04-02发布，目前已经汇总了[青桐鸣]2025-2026学年下学期高三内部练(4月)化学试题的各科答案和试卷，更多试卷答案请关注本网站。

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[青桐鸣]2025-2026学年下学期高三内部练(4月)政治试题

[青桐鸣]2025-2026学年下学期高三内部练(4月)化学试题

12．根据短文，回答问题。
(1) How did Bill go to Xi’an with his father
They went .
(2) What will Bill’s mother do in Sanya
She will .
阅读短文，完成下列任务。
John is my good friend. He is going to have a busy weekend. On Saturday morning, he is going to stay at home and do his homework. In the afternoon, he’s going to the bookstore to buy some comic books. He likes reading comic books very much. In the evening, he’s going to have a big dinner with his family in an Italian restaurant. On Sunday morning, he’s going to the supermarket with his mother. In the afternoon, he’s going to read some books at home. And in the evening, he’s going to see a film with his parents. Is he busy What about you

4、[青桐鸣]2025-2026学年下学期高三内部练(4月)历史试题

5、[青桐鸣]2025-2026学年下学期高三内部练(4月)化学试题

2、[青桐鸣]2025-2026学年下学期高三内部练(4月)英语试题

1、[青桐鸣]2025-2026学年下学期高三内部练(4月)政治试题

4、[青桐鸣]2025-2026学年下学期高三内部练(4月)物理试题

物块的密度ρ===0.6×103kg/m3＜ρ水，木块的密度小于水的密度，所以木块在水中静止时处于漂浮状态，浮力等于重力，即浮力为6N。
答：（1）物块的重力为6N；
（2）物块对水平桌面的压强为600Pa；
（3）将该物块投入水中静止时，物块受到的浮力为6N。
30.【答案】解：（1）由阿基米德原理可得，福建舰满载时受到的浮力：
F浮=G排=m排g=88000×103kg×10N/kg=8.8×108N；
（2）预警机对甲板的压力：F=G=mg=24×103kg×10N/kg=2.4×105N，

[青桐鸣]2025-2026学年下学期高三内部练(4月)生物答案