哪一部医书将“痢疾”称为“滞下”()
A.《内经》
B.《难经》
C.《千金要方》
D.《诸病源候论》
E.《外台秘要》
参考答案:C
给划线汉字注音。
①脊梁( ) ②姊妹( ) ③柚子( ) ④霎时间( )
⑤嬉戏( ) ⑥蹂躏( ) ⑦茧( )
In a data communication system, which transport media can be described as following: Has two classes: single mode and multiple mode; with higher transmit rate; with the best reliability
A.radio channel
B.fiber optic cable
C.twisted-pair cable
D.coaxial cable