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Guide: Hello! Welcome to Qingdao. I’m your guide (导游). Nice to meet you!
Tom: Nice to meet you, too. Can you tell me something about Qingdao?
Guide: Sure. Qingdao is in the east of China.
Tom: How old is it?
Guide: It’s about five thousand years old. Here we get to the Zhongshan Road.
Tom; I love sea very much. Look! What’s that?
Guide: Zhanqiao Pier (栈桥). It is the symbol (标志)of Qingdao.
Tom: That’s beautiful.
1．Is Tom a guide?
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2．Where is Qingdao?
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3．How old is Qingdao?
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4．Is Zhanqiao Pier the symbol of Qingdao?
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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
