以下哪种疾病属于结缔组织疾病()
A.天疱疮
B.银屑病
C.扁平苔藓
D.红斑狼疮
E.异位性皮炎
参考答案:D
________advertisements,TV programs are often made boring.[ ]
A. Regularly interrupted by
B. Regularly interrupting
C. To regularly interrupt
D. To be regularly interrupted by
出口产品因质量问题造成事故,影响很坏,查明原因、详细写出调查报告的时间是
A.36小时内B.48小时内C.72小时内D.24小时内E.15日内