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| A．Hello! I’m Bob. |
| B．We have two new friends in our class. |
| C．Welcome to our class! |
| D．Good morning. |
Miss Liu: Hello, boys and girls.1_________ Come here, Bob and Zhou Pei. Come to the front.
Bob:2___________ I’m eleven. I come from Britain.
Zhou Pei: 3______ I’m Zhou Pei. I’m eleven. I come from Beijing.
Patrick:4_________
Zhou Pei: Thank you!
Miss Liu:5_________ Now, let’s begin our class.
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
