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
