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【单选题】

属于听觉器官防护类的劳动防护用品是(  )。

A.
安全帽
B.
护目镜
C.
专用耳塞及护耳器
D.
防护服装
举报
参考答案:
参考解析:
.
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举一反三

【多选题】下列属于呼吸器官防护类的劳动防护用品是( )。

A.
过滤式防毒面具
B.
防尘口罩
C.
防护面罩
D.
空气呼吸器

【单选题】人的听觉产生于()

A.
听觉感受器
B.
耳蜗
C.
鼓膜
D.
大脑听觉中枢

【单选题】听觉语音加强见于 ( )

A.
肺实变
B.
胸膜增厚
C.
肺气肿
D.
阻塞性肺不张
E.
以上都是

【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of ads louder than the programming. In addition, t...

A.
TV stations always operate at the highest sound levels
B.
their sound levels are kept around peak levels
C.
their sound levels are kept in the middle frequency ranges
D.
unlike regular programs their intensity of sound varies over a wide range

【多选题】我国特种劳动防护用品使用期限应考虑的原则( )。

A.
腐蚀作业程度
B.
受损耗情况
C.
耐用性能
D.
使用材料
相关题目:
【多选题】下列属于呼吸器官防护类的劳动防护用品是( )。
A.
过滤式防毒面具
B.
防尘口罩
C.
防护面罩
D.
空气呼吸器
【单选题】人的听觉产生于()
A.
听觉感受器
B.
耳蜗
C.
鼓膜
D.
大脑听觉中枢
【单选题】听觉语音加强见于 ( )
A.
肺实变
B.
胸膜增厚
C.
肺气肿
D.
阻塞性肺不张
E.
以上都是
【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of ads louder than the programming. In addition, t...
A.
TV stations always operate at the highest sound levels
B.
their sound levels are kept around peak levels
C.
their sound levels are kept in the middle frequency ranges
D.
unlike regular programs their intensity of sound varies over a wide range
【多选题】我国特种劳动防护用品使用期限应考虑的原则( )。
A.
腐蚀作业程度
B.
受损耗情况
C.
耐用性能
D.
使用材料