(1)A. ball B. big C. pig
(2)A. try B. fly C. pie
(3)A. good B. coat C. look
(4)A. go B. so C. too
(5)A. sweater B. skirt C. T-shirt
(6)A. Maths B. music C. move
(7)A. hot B. hand C. hurt
(8)A. what B. whose C. where
(9)A. short B. shorts C. shoes
(10)A. brown B. wrong C. fun
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