有关会厌软骨的说法，下列哪项是错的
A．形似树叶状
B．其下部较细称会厌
C．喉面黏膜较疏松
D．其上面向前称舌面
E．其下面向后称喉面
参考答案：C
I had never expected _____ such a big audience there.
A．it to be
B．there being
C．there to be
D．there to have
钢板弹簧的主要参数以及定义？
