(1)( )A. PTB B.BPT C.DPT
(2)( )A. cat B.hat C.at
(3)( )A. dad B.mum C.egg
(4)( )A. right B.light C.like
(5)( )A. ben B.ten C.pen
(6)( )A. door B.floor C.doll
(7)( )A. cake B.lake C.late
(8)( )A. 13 B.30 C.3
(9)( )A. kite B.like C.Kate
(10)( )A. hair B.ear C.eye
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