(1)exce
A. re B. er C. us
(2)phaps
A. er B. ir C. re
(3)wh
A. ree B. eer C. ere
(4)wh se
A. o B. e C. i
(5)pl se
A. ee B. ea C. ae
(6)e t
A. ghi B. hgi C. igh
(7)th ty
A. irs B. sir C. ris
(8)hun y
A. gr B. rg C. gi
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