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John: Hello, Bai Ling.
Mike: Really?
John: Sure. Here you are.
Mike: Wow! It is a panda. How nice!
John: Thank you! My bag is black and white.
Mike: It’s pink. It is heavy.
John:
Mike: There are many books.
John:
like: One, two, three…. Sorry, too many.
| A．What’s in it? |
| B．What color is your schoolbag? |
| C．May I have a look? |
| D．How many storybooks do you have? |
| 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
