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A Story
Rabbit: Who is he? Is he a boy?Duck: Is he a man?
Rabbit: Is he a tiger(老虎)?
Rabbit: No!
Duck: Aagghh! Oh, an elephant, he’s my friend!
Rabbit: What’s his name?
Duck: His name is Tiny!
1．Rabbit and ________ are in the forest(在森林里). ( )
| A．Duck | B．elephant | C．tiger |
| A．Rabbit | B．elephant | C．tiger |
| A．Rabbit’s friend. | B．Tiger’s friend. | C．Duck’s friend. |
| A．elephant | B．duck | C．tiger |
| A．Yes, there is. | B．No, there isn’t. | C．Yes, there are. |
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
