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The Wangs are talking about their holiday. They want to visit Hainan Island. It is in the south of China. There are many interesting places on Hainan Island. They can see the blue sea. They can play on the beach, too. They are going there by plane. It is dear but fast to go by plane. It is their first time to take a plane. They are so excited. They are sure to have a good time.
1．Where are the Wangs going?_______________________________________________
2．Can they see the sea in Hainan?
_______________________________________________
3．How do they go there?
_______________________________________________
4．How do they feel?
_______________________________________________
5．Did they take a plane before?
_______________________________________________
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
