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Sarah: Hi, Amy!
Amy: Hi, Sarah! How are you?
Sarah: Very well, thanks. And you?
Amy: Me, too.
Sarah:
Amy: That’s nice. Where is the show?
Sarah:
Amy: Huh? No, it’s 7:30 a.m.
Sarah: Haha...
| A．No, it’s sunny and warm. |
| B．This is Sarah. |
| C．It’s time for breakfast. |
| D．I am Sarah. |
| E．It’s in the art room. |
| F．What’s the weather like in Hangzhou? |
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
