【单选题】在"成本表"中有字段:装修费、人工费、水电费和总成本。其中,总成本=装修费+人工费+水电费,在建表时应将字段"总成本"的数据类型定义为( )。
【多选题】个人所得税法规定,下列项目中,属于“劳务报酬所得”的项目有( )。
【判断题】原画必须将画面线条全部画到位,不能有任何毛刺和误差。()
【单选题】关于电子电气员适任证书,说法正确的是______。
A.
只设主推进动力装置750 kW及以上船舶一个适用等级
【单选题】关于电子电气员适任证书,说法正确的是______。
A.
只设主推进动力装置,750kw级以上船舶一个适用等级
【单选题】Mathematical ability and musical ability may not seem on the surface to be connected, but people who have researched the subject--and studied the brain--say that they are. Three quarters of the bright...
A.
Mathematical ability and musical ability are connected.
B.
Mathematical ability has more to do with the brain than musical ability.
C.
More people are good at music than math.
D.
More research should be done into the relationship between mathematical ability and musical ability.
【单选题】What did literature mean in its earliest sense?
B.
Reading ability and experience.
【单选题】________ refers to one’s ability to create coherent written text or conversation and the ability to understand them.
【单选题】以下哪种说法是错误的?
A.
伽利略相对性原理也称为力学相对性原理,这是因为当时的物理学发展水平还主要局限于力学方面,而不是因为伽利略的观察明确规定了这个原理只适用于力学现象。
C.
在所有惯性系中,经典力学的基本规律具有相同的数学表达形式。
D.
经典力学规律对于所有惯性系都是等价的, 是指在不同的惯性系中观察到的物理现象相同。