【单选题】________ is the pronunciation of a word or syllable with more force than the surrounding words or syllables.
【单选题】Mosquito City is ______.
A.
a small city of the United States
B.
a small city of Australia
C.
an independent country
D.
an island of the United States in the Southern Pacific Ocean
【简答题】The city has a big bridge. ______in the city.
【判断题】一个完全竞争行业的长期供给曲线是该行业中每个厂商供给曲线的水平相加。
【单选题】假设,KL1梁端截面的剪力设计值V=160kN,扭矩设计值T=36kN.m,截面受扭塑性抵抗距Wt=2.475×107mm3,受扭的纵向普通钢筋与箍筋的配筋强度比ζ=1.0,混凝土受扭承载力降低系数βt=1.0,梁截面尺寸及配筋形式如图1-2所示。试问,以下何项箍筋配置与计算所需要的箍筋最为接近? 提示:纵筋的混凝土保护层厚度取30mm,α8=40mm。
【判断题】一个完全竞争行业的长期供给曲线是该行业中每个厂商供给曲线的水平相加。
【单选题】What does 'Jack Frost city' mean?
A.
A city full of frosts.
C.
A city that is always very cold.
D.
A city that is often covered by snow.
【单选题】设雨篷梁的受压区高度X=101KN,受扭计算中沿截面周边配置的箍筋单肢截面面积Ast1刚与箍筋间距的比值为0.3,Ucor=1200mm,已知受扭纵筋最小配筋率为0.23%,受扭纵筋与箍筋的配筋强度比值为ζ=1.2,则截面纵向钢筋的总用量(抗弯及抗扭钢筋之和)的计算值与( )项数值最为接近。