甲状腺吸131碘率增高可见于______
A.甲状腺功能亢进B.单纯性甲状腺肿C.地方性甲状腺肿D.亚急性甲状腺炎E.甲状腺癌
参考答案:A
A survey was conducted in Shanghai ____________ interviewees were asked if they wanted to be a factory worker.
A.when
B.whether
C.that
D.where
下列哪种类型电缆在安装时的费用最大_______。
A.光缆
B.非屏蔽双绞线
C.屏蔽双绞线
D.细同轴电缆