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Simon’s father is cooking in the kitchen. He is happy. Simon’s mother is singing. She is happy, too. Simon’s sister is reading a book. The book is interesting (有趣的). The dog is playing basketball. What is Simon doing? He is writing.
1．Simon’s father is ________ in the kitchen. ( )| A．singing | B．reading | C．cooking |
| A．Yes, she is. | B．No, she isn’t. | C．We don’t know. |
| A．Simon. | B．The dog. | C．Simon’s sister. |
| A．He is singing. | B．He is writing. | C．He is sleeping. |
| A．Three. | B．Four. | C．Five. |
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
