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（______）What's the time now?
（______）OK. Let's run! I'm a train.
（______）It's 4 o'clock.
（______）No, it isn't. It's 6 o'clock.
（______）It's 2 o'clock.
（______）Sam, the Chinese cartoon Shaolin Kids is on TV at 8 o'clock.
（______）What's the time,Grandpa?
（______）Let's play, Sam!
（______）I like it very much.
（______）Dad, is it 8 o'clock now?
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
