带状疱疹的主要皮损为（）
A.红斑
B.丘疹
C.水疱
D.风团
E.脱屑
参考答案：A, C, D, E
以下哪项CT表现不支持支气管囊肿的诊断（）
A.肿物呈卵圆形
B.肿物内无气体影
C.肿物内有气体影
D.肿物均匀轻度强化
E.肿物边缘光滑锐利
_____ the city’s public school system should be open to the children of migrant workers has become the focus of discussion.
A．That
B．What
C．Whether
D．If
