题目内容
（请给出正确答案）
A、Whether
B、If
C、For
D、Against
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更多“_________you are conscious of …”相关的问题
Section A
Directions: In this section, you'll hear five short conversations. After each conversation, a question will be asked about what was said. The conversation and question will be read only once. Listen carefully and choose the best answer to each question.
(1)
A．30 dollars.
B．40 dollars.
C．50 dollars.
D．60 dollars.
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
A.justin
B.justice
C.justified
D.justification
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
