Are there _____ ships _____ the river? [ ]
A. some; over
B. any; in
C. any; on
答案:B
瘰疬中期,外用方是()
A.初起有多个粟粒状脓头
B.初起疮形如粟,突起根浅
C.初起疮形如粟粒状脓头,坚硬根深
D.初起光软无头,红肿疼痛,范围约6~9cm
E.初起皮肤片状红斑,边界清楚,压之褪色,抬手即复
VHF波段的DSC移频调制的范围是()
A、±400MZ
B、±85HZ
C、±40HZ
D、±15HZ