搜索
Sam: Hello, Amy.
Amy: Hello! Let’s go to the playground.
Sam: OK. I like football. Do you like it?
Amy: No, I don’t like football. I like basketball.
Sam: I see. I like riding bikes. Do you like it?
Amy: Yes, I like riding bikes and swimming.
Sam: What’s your favourite toy?
Amy: I like dolls. I don’t like jigsaws. What’s your favourite animal?
Sam: I like tigers. How about you?
Amy: I like monkeys.
1.
（
（
（
（
5.
（
（
（
（9.
（
（
（
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
