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Look at the family. Daming is listening to music. Simon is making a birthday card for his brother. Simon’s mother is watching TV. Amy is reading a book. Sam is talking to his friend, and Tom is playing with a toy car.
1．Who is listening to music? ( )| A．Simon. | B．Daming. | C．Amy. |
| A．He’s making a birthday card. |
| B．He’s watching TV. |
| C．He’s playing with a toy car. |
| A．making a card | B．watching TV | C．playing with a toy car |
| A．Yes, he is. | B．No, he isn’t. | C．Yes, he isn’t. |
| A．talking to his friend | B．playing with a toy car | C．reading a book |
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
