______people are contemptuous of those who make obscene calls.A.RespectableB.RespectfulC.R
______people are contemptuous of those who make obscene calls.
A.Respectable
B.Respectful
C.Respective
D.Respected
______people are contemptuous of those who make obscene calls.
A.Respectable
B.Respectful
C.Respective
D.Respected
People usually _______ spring with sunshine and flowers.
A、regard
B、imagine
C、welcome
D、connect
A.José camina por toda la habitación con la mirada fija
B.José atraviesa toda la habitación con los ojos quientos
C.José examina con la mirada todo el espacio de la habitación
D.----
A.0→初应力→1.03σcon(锚固)
B.0→初应力→1.05σcon(持荷2min)→0.9σcon→σcon (锚固)
C.0→初应力→σcon(持荷2min锚固)
D.0→初应力→1.05σcon(持荷2min)→0→σcon (锚固)
A.con
B.de,con
C.de,de
A.张拉控制应力σcon值高,应力松弛大
B.张拉控制应力σcon值高,应力松弛小
C.热处理钢筋的应力松弛比钢丝、钢绞线小
D.钢筋的应力松弛开始发展快,以后发展缓慢
设串s1='ABCDEFG',s2='PQRST',函数con(x,y)返回x和y串的连(s,i,j)返回串s的从序号i的字符开始的j个字符组成的子串,len(s)返回串s的con(subs(s1,2,len(s2)),subs(s1,len(s2),2)的结果串是()
A.BCDEF
B.BCDEFG
C.BCPQRST
D.BCDEFEF
预应力筋张拉时,应先调整到初应力σ0,该初应力宜为张拉控制应力σcon的()。
A.5%~10%
B.10%~15%
C.15%~20%
D.20%~25%