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【单选题】
下列各组自由离子的磁矩从小到大变化顺序,正确的是( )。A.
Cu2+
B.
Cr3+
C.
Cr2+
D.
Ti2+
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知识点：
皮皮学刷刷变学霸
举一反三
【多选题】有关概念图和思维导图导图说法正确的是
A.
概念图和思维导图导图是对同一对象的不同称呼
B.
概念图和思维导图都是可视化思维工具
C.
如果应用得当，概念图和思维导图都有助于提高教学效果
D.
概念图和思维导图导图是由不同学者发明的
【简答题】Learn to relax. Overwork is the main reason why so many students feel tired. Cut down some of the jobs you need to do each day so that you only do the most important things well. Leave time for activi...
【单选题】The term control is highly—and unjustifiably—unpopular. Some of its unpopularity can be traced to educational and philosophical writings that have addressed issues of freedom, self- determination, sel...
A.
unjustified control
B.
unpopularity
C.
liberal and permissive educational methods
D.
deliberate exercise of restrictions
【简答题】的干燥根称为北柴胡, 的干燥根称为南柴胡。
【简答题】肺部听诊正常呼吸音有 、 、
【简答题】阅读理解。 Learn to relax. Overwork is the main reason why so many students feel tired and stressed (紧张). Cut down some of the jobs you need to do each day so that you can only focus on the most important ...
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