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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 six thousand years old. It is a beautiful city.
Tom: Yes. Look! What's that?
Guide: It's Zhanqiao Pier(栈桥). It is the symbol(标志)of Qingdao.
Tom: Let's visit it now.
Guide: OK. Let's go.
1．Tom is in Qingdao. （____）
2．Qingdao is in the west of China. （____）
3．Qingdao is about 6000 years old. （____）
4．Qingdao is beautiful. （____）
5．The sea is the symbol of Qingdao. （____）
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
