忽一日,开炉取丹。那A双手捂着眼,正自揉搓流涕,只听得炉头声响。猛睁眼看见光明,他就忍不住,将身一纵,跳出丹炉,唿喇一声,蹬倒八卦炉,往外就走。慌得那架火、看炉与丁甲一班人来扯,被他一个个都放倒,好似癞痫的白额虎,疯狂的独角龙。老君赶上抓一把,被他一摔,摔了个倒栽葱,脱身走了。即去耳中掣出如意棒,迎风幌一幌,碗来粗细,依然拿在手中,不分好歹,却又打乱天宫,打得那九曜星闭门闭户,四天王无影无踪。
1.本段文字节选自2.选段中的A所指的人物是
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