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试题答案

本文从以下几个角度介绍。

    1、2024百校联盟高二地理答案
    2、百师联盟2024高三冲刺卷五地理
    3、百师联盟2024高三冲刺卷二地理
    4、百师联盟2024高三冲刺卷二地理答案
    5、百师联盟2024冲刺卷二地理

2、[百师联盟]2025届高二下学期综合测试卷地理试题


5、[百师联盟]2025届高二下学期综合测试卷化学试题


Meng said he loves spending time in the buildings where 25 emperors spent their whole lives. “Every brick has a story to tell,” he said. But volunteer work is more than fun. Meng has to study for the job. It took him about three months to remember every detail of the 176 clocks in the clock gallery.
And volunteering work there can be frustrating, because tourists turn down volunteering guides sometimes. “Too many people are in a rush to finish sightseeing (观光). They don’t have time to listen to us,” said Shi Hui. He is a university student who volunteers there. On his first day, Shi walked around for three hours until he found a man in his 50s who was happy to listen to him. “It’s always fun to have listeners who are interested in your talk,” Shi said.
Li Xiaochao is a student at Renmin University. She did volunteer work at the China Soong Chingling Foundation for two years. In 2005, she began organizing students from her school to record songs for students at a blind school. Many blind students cried after hearing the songs they sang. From that moment on, she realized giving was a pleasure.
24. How often does Meng Chen volunteer in the Forbidden City
A. Once a month. B. Almost every day. C. Twice a week. D. Almost every weekend.
25. We can infer from the story that Meng Chen ________.
A. enjoys being a volunteer B. is tired of volunteering


参考答案与试题解析
1. TTFTT 2. BCBCC 3. BCACC 4.CDDBA
5. CABDB 6.CBABA CDCAA
7. FCEAB 8. take care of 9. to depend 10. don't have
11. to bring 12. Exercises 13. Learning 14. the greatest
15. policemen 16. Fights 17. uncle's
18.


5、[百师联盟]2025届高二下学期综合测试卷政治答案


4、[百师联盟]2025届高二下学期综合测试卷政治答案


3、[百师联盟]2025届高二下学期综合测地理答案


1、[百师联盟]2025届高二下学期综合测试卷数学答案


2、[百师联盟]2025届高二下学期综合测试卷历史试题


5、[百师联盟]2025届高二下学期综合测试卷政治答案


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p轨道有3个原子轨道，最多可以容纳6个电子，根据泡利不相容原理和洪特规则，当p轨道上有2个电子或4个电子时，p轨道上均有2个未成对电子，所以可能是ⅣA族元素，也可能是ⅥA族元素，故A不符合题意；
p轨道上有1个空轨道，说明另外两个轨道各容纳了1个电子，加上s轨道上的2个电子，最外层是4个电子，属于ⅣA族元素，故B符合题意；
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Co的配位数是6，把分离出的CoCl3·5NH3溶于水后立即加硝酸银溶液，每1 mol CoCl3·5NH3只生成2 mol AgCl，说明外界有2个Cl-，所以CoCl3·5NH3可表示为［Co(NH3)5Cl］Cl2。由以上分析可知，CoCl3·5NH3的配体为5个氨分子和1个氯离子，故A正确；
［Co(NH3)5Cl］Cl2电离出［Co(NH3)5Cl］2+和Cl-，所以通入空气后得到的溶液中含有［Co(NH3)5Cl］2+，故B正确；
［Co(NH3)6］Cl2中中心离子是Co2+，价电子排布式为3d7，故C错误。


3、[百师联盟]2025届高二下学期综合测试卷生物答案