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Tom: Happy New Year, Lily!
Lily: Happy New Year, Tom!
Tom: Look at my new jacket.
Lily:
Tom: Thank you! Look!
Lily: Is it a ball?
Tom: Yes. It’s for you! Guess!
Lily: Red? Green? Yellow or orange?
Tom: Ha! Ha! Let’s open (打开) the box. Look!
Lily: Great! I like the colour green.
| A．It’s green. |
| B．How nice! |
| C．Would you like a ball? |
| D．What’s in the box (盒子)? |
| E．What colour is it? |
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
