A. I have six. B. Yes, I do. C. Yes, they are. D. No, they're goats. E. Wow, it's so big! F. There are six. |
: 1.
: Look! These are green beans.
: They are long. Are these tomatoes?
: 2. They are big and red.
: Are there any animals on your farm?
: Yes. This way, please.
: Are these sheep?
: 3.
: Do you have any cows?
: 4.
: How many cows do you have?
: 5.
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