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1．You will visit ________ on this tour of Hainan.
| A．Haikou and Qionghai | B．Wenchang and Wanning | C．Qionghai and Sanya |
| A．surfing | B．camping | C．shopping |
| A．free plane tickets | B．fresh seafood | C．nice hotels |
| A．8: 30 am on Monday. | B．6: 30 pm on Friday. | C．3: 30 pm on Saturday. |
| A．A newspaper. | B．A novel. | C．A diary. |
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
