不定项选择 A system is called linear if the principle of superposition applies.
多项选择题 What are the disadvantages of package tours?A. The schedules are usually very tight.B. There’s a chance that you may not be able to do or see everything.C. You may get stuck with annoying people.D. The price are usually too expensive.
多项选择题 1. 2020年1月,党中央出台《中国共产党国有企业基层组织工作条例(试行)》,在党的领导与公司治理关系这个核心问题上,分别从( )、( )、( )、( )、( )、( )等方面作出规定。