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It is Sunday morning. Liu TaoAnd Yang LingAre going to the cinema_____bike. TheyAre coming toA crossing.
Yang Ling:Stop! Liu Tao!
Liu Tao: Why? It’s late. We _____hurry up.
Yang Ling:LookAt the light. It’s red now,And it means“Danger”. The carsAnd the buses must_____and we must_____here.
Liu Tao: What does the _____light mean?
Yang Ling:It means“wait”. We should wait till the light is ______.
Liu Tao:Yes, I see. The light is green now. We can____now!
Yang Ling: Ok! Let’s go.
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
