1.例句:It’s a duck. (a, an, bear, elephant)
仿写:It’s .
2.例句:I like green. (yellow, black, orange, red)
仿写:I like .
3.例句:I have an eraser. (a, an, ruler, pen)
仿写:I have .
4.例句:This is my face. (me, my, mouth, head)
仿写:This is .
5.例句:I see one pen. (four, five, pencil, pencils)
仿写:I see .
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