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Sam: Wow! Thank you!
Mike: It’s a DVD about animals. What’s your favourite animal?
Sam: I like elephants very much.
Mike:
Sam: They like bananas and grass.
Mike:
Sam: They like water.
Mike: OK! We can know more about animals in this DVD.
Sam: Thank you again, Mike.
Mike: You are welcome.
| A．Let’s watch the DVD together. |
| B．What do elephants like to drink? |
| C．What’s it? |
| D．Here’s a present for you! |
| E．What do elephants like to eat? |
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
