(1)A. short B. shirt C. skirt
(2)A. lamb B. lamp C. fan
(3)A. pair B. pear C. wear
(4)A. 15 B. 50 C. 13
(5)A. write B. white C. why
(6)A. slippers B. sneakers C. sandals
(7)A. cheap B. sheep C. ship
(8)A. there B. those C. these
(9)A. horse B. house C. mouse
(10)A. small B. short C. smell
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