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【多选题】
对于学前儿童听觉的保护,以下说法正确的是哪些( )?
A.
孩子声带脆弱，要少说话
B.
减少噪音
C.
教育孩子不要大声叫嚷
D.
遇到大的声音时应捂住耳朵并张开嘴
E.
及时发现听力问题并尽早治疗
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参考答案：
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【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of making 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
【单选题】下面哪些是《中国居民膳食指南》对学龄前儿童的建议（）
A.
每日饮奶
B.
保证吃好早餐
C.
养成不挑食、不偏食的良好饮食习惯
D.
少吃零食、引用清淡饮料、控制食糖摄入
相关题目：
【单选题】Every year television stations receive hundreds of complaints about the loudness of advertisements. However, federal rules forbid the practice of making 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
【单选题】下面哪些是《中国居民膳食指南》对学龄前儿童的建议（）
A.
每日饮奶
B.
保证吃好早餐
C.
养成不挑食、不偏食的良好饮食习惯
D.
少吃零食、引用清淡饮料、控制食糖摄入
参考解析：
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