噪声对听觉的影响有哪些?
参考答案:
(1)暂时性听力下降
(2)听力疲劳
(3)持久性听力损失
(4)爆震性耳聋
The work ________ by William Blake is a lovely volume of poems, presenting a happy world, though not without its evils and sufferings.
A.Songs of Innocence
B.Songs of Experience
C.Poetical Sketches
D.Lyrical Ballads
以左右不同的实战式相对叫闭式站位。