B:
A: Look!
B: How many cows do you have?
A: Nineteen. And I have sixteen pigs.
B: Cool!
A: No, I don’t. But I have some horses.
B: I don’t like horses.
A: Oh, monkeys are in the zoo.
A.Wow! A nice farm! |
B.Eight black pigs and eight white ones. |
C.I like monkeys. |
D.Do you have any ducks? |
E.I have some cows. |
F.He is very lovely. |
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