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Amy: Let's play teacher and student!
Mike: OK! I'm tall. I'm the teacher!
Amy: I'm clever. I'm the teacher.
Mike: OK!
Amy: Good morning!
Mike: Good morning!
Amy: Hello, boys and girls!
Mike: Hello, teacher.
Amy: OK! You're a good student! Let's change.
Mike: Yeah! I'm the teacher now!
选择正确的答案填在括号里。
1．Who is the teacher at first? ( )
| A．Amy | B．Mike | C．Amy and Mike |
| A．Amy | B．Mike | C．Tom |
| A．Amy is a teacher | B．Amy acts a teacher | C．Mike is a teacher |
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
