(1)man, look, this, at(.)
(2)noodles, he, is, making(.)
(3)Sam, what, you, doing, are(?)
(4)Am, I, running(.)
(5)I'm, in, swimming, the, sea(.)
(6)Lingling's, is, brother, little, this(.)
(7)Talking, He, is, her, to, friend(.)
(8)Plying, is, Weiwei, with, blocks(积木)(.)
(9)you, are, what,doing,(?)
(10)Doing, you, your,homework, are, too(?)
(11)I'm,morning, doing, exercises(.)
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