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Liu Mei: Sure!
Daming: Let me think. I have a Chinese book, two maths books and a pencil box.
Liu Mei:
Daming: It is blue and it has a picture of a little girl on it.
Liu Mei: What's in your pencil box?
Daming:
Liu Mei: Oh, this schoolbag is yours. Here you are.
Daming:
| A．What colour is your Chinese book? |
| B．Can you help me find it? |
| C．Thank you so much. |
| D．An eraser, two pencils and a ruler. |
| E．What is in your 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
