图18-2-13所示单元体的应力状态只有（）是正确的。
A．A
B．B
C．C
D．D
参考答案：A
Though he doesn’t achieve his goals, he is not a failure．___, he is remembered as a true hero．
A．In particular
B．On the contrary
C．Generally speaking
D．To be honest
黄芩半夏汤功效与作用
