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Steven goes to the park with his father. They have a lot of fun, but now he can’t find his father. He goes to the Information Center. "Excuse me. Can I use your phone? I can’t find my dad." The man in the center says, "Sure. Here you are." He calls his father. His father says, "I’m at the hamburger shop." Steven thanks the man. Now he can find his dad.
1．Steven goes to the park with his father. （_____）2．Steven can’t find his father at first. （_____）
3．He goes to school. （_____）
4．He doesn’t use the man’s phone. （_____）
5．His father is at the hamburger shop. （_____）
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
