职教组卷基于海量职教高考试题库建立的在线组卷及学习系统
职教组卷
  • 题型:选择题 题类:单元测试 难易度:易

    — Noise is _____to human’s health.
    —Yes, we shouldn’t talk loudly in public.
    A. harmful B. harm C. harmless D. harmed