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| A. Don’t shout, please! B. That’s a good idea. C. They are so cute. D. It’s very dangerous. E. Don’t feed them, please! |
Amy: 1.
Sam: Wow, the pandas are so cute. They…
Amy: Sh! 2.
Sam: Oh, I’m so sorry.
Amy: Let’s see the elephants. They are tall.
Sam: Yes. Do you think they eat apples?
Amy: 3.
Sam: Look, Amy. The monkeys are climbing the tree.
Amy: Yes. 4.
Sam: Can I climb the tree?
Amy: No, you can’t. 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
