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Bai Ling: Really?
John: Sure. Here you are.
Bai Ling: Wow! It is a squirrel. I like it.
John: Thank you! My bag is orange.
Bai Ling: It’s pink. My schoolbag is heavy.
John:
Bai Ling: Look, I have many books.
John:
Bai Ling: One, two, three…, sorry, too many.
| A．What colour is your schoolbag? |
| B．What’s in it? |
| C．How many story-books do you have? |
| D．May I have a look? |
| E．I have a new schoolbag. |
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
