(1)What’s this ? (复数) What ________ ________ ?
(2)What are these ? (回答问题) ________ ________ hens.
(3)Are these tigers ? (回答问题)
No, ________ ________ . Yes, ________ ________
(4)The tiger cubs can jump through a ring. (否定句)
The tiger cubs ________ ________ through a ring.
(5)Can ducklings swim ? (两种肯定回答)
Yes, ________ ________ . 或 ______________.

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

