蝉的听囊在体内,( )喧哗的声音( )不能使它受到惊扰。站在蝉的背后,你( )拍手,吹哨子,高声讲话,它( )满不在乎,仍旧镇静地演奏
它的音乐,好像没有事一样。
1.在括号里填上恰当的关联词,并任选一组写句子。
2.“拍手” “吹哨子”“高声讲话”这些实验是为了说明_______________________

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

