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Amy: Hi, Chen Jie. I have a new schoolbag.
Chen Jie: Really?
Amy: It’s black and white. Look! It’ s so heavy.
Chen Jie:
Amy: Some English books, some story-books, and many picture books.
Chen Jie:
Amy: Let me count. 1, 2, 3, 4…15. I have 15 picture books.
Chen Jie:
Amy: Sure. Here you are.
Chen Jie: Wow! A fat panda!
| A．How many picture books do you have? |
| B．What color is it? |
| C．How nice! |
| D．What’s in it? |
| E．May I have a look? |
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
