(1)A. plant B. branches C. branch
(2)A. tall B. ball C. door
(3)A. cow B. trunk C. black
(4)A. he B. me C. she
(5)A. kite B. cat C. cut
(6)A. Miss B. Mr C. Mrs
(7)A. beautiful B. fly C. ladybird
(8)A. 4132 B. 4231 C. 4312
(9)A. peach B. banana C. orange
(10)A. red B. yellow C. balloon
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