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A: Let’s go to the zoo this afternoon.
B: Great! (In the zoo)
A:
B: Yes, and they’re cool.
A:
B: Me, too.
A: One, two, three…I can see six.
B:
A: Yes, I have some. Hey, lovely elephant, here is some fruit for you.
C: Hey!
| A．Do you have any fruit? |
| B．Look at these elephants. |
| C．It’s a fat duck. |
| D．How many elephants can you see? |
| E．I like elephants. |
| F．Please don’t give (给) them fruit! |
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
