题目内容
(请给出正确答案)
[主观题]
The machine will continue to make much noise ________ we have it repaired.
A.when
B.if
C.because
D.unless
答案
查看答案
A.when
B.if
C.because
D.unless
第4题
条件相同的先、后张法轴拉构件,当σl及混凝土有效预应力σpeⅡ相同时,( )。
A.二者σcon相等 B.后张法σcon大于先张法
C.后张法σcon小于先张法
第8题
条件相同的先张法、后张法轴拉构件,当σcon及σl相同时,预应力钢筋的应力σpeⅡ中( )。
A.二者σcon相同 B.后张法σcon大于先张法
C.后张法σcon小于先张法
第10题
It is known that solar power can ______ electric energy.
A.convert into
B.convert to
C.be converted into
D.be converted to
第11题
AWhen each time he Bcame to Beijing Con business, he Dwould call on me.