阴囊肿大而透明者为
A．狐疝
B．水疝
C．阴缩
D．阴茄
E．寒疝
参考答案：B
Many teenagers_______ the old and they often offer their seats to the old on buses.
A．agree with
B．worry about
C．laugh at
D．care for
三脑室区肿瘤的手术入路及主要适应症有哪些？
