A-A+
It is ture that the sound__________. 查看材料A.of
问题详情
It is ture that the sound__________. 查看材料
A.of nature is the most beautiful
B.of high intensity benefits animals
C.in movies is pleasing to the ear
D.over 80 decibels is harmful to people请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
细节题。题干：声音__________是真的。通过第二段的前两句可知，正常声音的分贝在20．80之间，超过这个限度对人体健康有害。由此可知，超过80分贝的声音对健康有害是正确的。
