患者全身骨关节疼痛,有肾结石病史。行超声检查甲状腺,如图。最可能的诊断为()
A.甲状腺腺瘤
B.甲状腺癌
C.甲状旁腺腺瘤
D.甲状腺囊肿
E.以上均不是
参考答案:C
_____ is a pen. _____ are books. [ ]
A. This; This
B. These; This
C. This; These
D. These; These
进行原理图设计,必须启动()编辑器。
A.PCB
B.Schematic
C.Schematic Library
D.PC BLibrary