语言謇涩，病因多属
A．热扰心神B．痰火扰心C．风痰阻络D．心气不足E．心阴大伤
参考答案：C
I feel it a great honor ______ to give a speech here.
A．to be asked
B．to have asked
C．being asked
D．to ask
土木建筑工程用钢材含碳量不大于( )。
A．0.5%
B．1.0%
C．0.8%
D．0.08%
