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Mum:
Tim: It’s about baseball.
Mum:
Tim: Yes, I do.
Mum:
Tim: Yes, very interesting.
Mum:
Tim: Twelve yuan.
Mum:
Tim: My teacher gave it to me. He bought it at the bookshop.
Mum: You should say “thank you” to your teacher.
| A．How much is it? |
| B．Do you like baseball? |
| C．It looks interesting. |
| D．What’s it about? |
| E．Who gave it to you? |
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
