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试题答案

本文从以下几个角度介绍。

    1、2024哈九中高二期中下学期
    2、哈九中2024高三二模数学
    3、哈九中2024高二期中考试
    4、哈九中第四次月考数学
    5、2019哈九中高二上期中数学
    6、哈九中2024高一期中考试数学
    7、哈九中高三月考
    8、哈九中二模2024数学
    9、2024年哈九中高三二模
    10、哈九中第四次月考

2、哈九中2024级上学期高二9月月考数学试题


3、哈九中2024级上学期高二9月月考数学试题


A.Wuwei B.Badain Jaran Desert
C.Gansu D.Tengger Desert
57. Why do people plant suosuo trees in the desert
A.Because planting suosuo trees is not difficult.
B.Because suosuo trees need little water or care.
C.Because suosuo trees can take root in any climate.
D.Because suosuo trees help stop further desertification.


【答案】One possible version:
Dear Mr. White,
The after-school activities are well liked in our school. We can have kinds of activities from 16:30 to 18:00 between Monday and Friday.
First, we are supposed to do the homework by ourselves and the teachers will help us with it. After finishing homework at school, we are able to do what we like doing. Second, further reading and a variety of clubs are also offered in our school. In this way, we can develop the interests and hobbies. Finally, it is good for us to do sports because it makes us stronger and healthier.
All in all, the after-school activities are popular in our school and I believe we will have a more meaningful and colourful school life.
Have a nice day!
Yours,


3、哈九中2024级上学期高二9月月考数学答案


2、哈九中2024级上学期高二9月月考数学答案


6、哈九中2024级上学期高二9月月考数学答案


3、哈九中2024级上学期高二9月月考数学答案


2、哈九中2024级上学期高二9月月考数学试题


3、哈九中2024级上学期高二9月月考数学答案


1．(2025·临沂模拟)常温下，Ksp(CaCO3)＝2.8×10-9，CaSO4在水中的沉淀溶解平衡曲线如图所示。下列判断错误的是(　　)
A．a点是CaSO4的饱和溶液而b点不是
B．蒸发水可使溶液由b点变化到a点
C．常温下，CaCO3(s)＋S(aq) CaSO4(s)＋C(aq)的K≈3.1×10-4
D．除去锅炉中的CaSO4时，可用Na2CO3溶液将其转化为CaCO3
2．某温度时，CuS、MnS在水中的沉淀溶解平衡曲线如图所示。下列说法错误的是(　　)
A．a点对应的Ksp大于b点对应的Ksp


D.淀粉和纤维素是天然高分子化合物，都属于非还原性糖，不能被氢氧化铜氧化
三、非选择题：共5题，共60分。
15.（10分）
莽草酸是合成治疗禽流感的药物——达菲的原料之一。有机物A是莽草酸的一种同分异构体。A的结构简式如右图所示，回答下列问题：
（1）A的分子式是 。
（2）A与溴的四氯化碳溶液发生化学反应的官能团名称为 。
（3）在右图中用“*”标出手性碳原子。


3、哈九中2024级上学期高二9月月考数学答案