【单选题】According to the passage, which of the following is true concerning the ability to create abstractions?
A.
The ability stems from the anatomical center of human's visual brain, whose location has yet to be identified.
B.
The ability steadily develops in humans with the gradual acquisition of knowledge.
C.
The ability is best categorized as an innate, and therefore unlearned, ability that is rarely improved on over time.
D.
The ability to create abstractions is predicated on an enslavement to the particulars of those abstractions.
E.
The ability most likely has developed as a response to the limitations of the human memory.
【单选题】下述关于预应力混凝土结构设计的观点,其中何项不妥?
A.
对后张法预应力混凝土框架梁及连续梁,在满足纵向受力钢筋最小配筋率的条件下,均可考虑内力重分布
B.
后张法预应力混凝土超静定结构,在进行正截面受弯承载力计算时,在弯矩设计值中次弯矩应参与组合
C.
当预应力作为荷载效应考虑时,对承载能力极限状态,当预应力效应对结构有利时,预应力分项系数取1.0;不利时取1.2
【多选题】预应力混凝土结构构件所用的混凝土,需满足下列要求()。
【简答题】requires that students take at least 60 credits in order to graduate? 6. ______6:requires that students take at least 60 credits in order to graduate? 6. ______
【简答题】预应力混凝土结构及构件所用的混凝土,需满足哪些要求?
【单选题】在回归估计中,给定自变量的取值求得的置信区间与预测区间相 比( )。
【单选题】下述关于预应力混凝土结构设计的观点,其中( )项不妥。
A.
对后张法预应力混凝土框架梁及连续梁,在满足纵向受力钢筋最小配筋率的条件下,均可考虑内力重分布
B.
后张法预应力混凝士超静定结构,在进行正截面受弯承载力计算时,在弯矩设计值中次弯矩应参与组合
C.
当预应力作为荷载效应考虑时,对承载能力极限状态,当预应力效应对结构有利时,预应力分项系数取1.O;不利时取1.2
【判断题】软件开发中,分层的基本动机是控制软件开发的复杂性。
【简答题】预应力混凝土结构构件所用的混凝土应满足下列要求 、 、 。