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Today is Sunday. Tom's family are all at home. Tom is doing his homework. His father is reading a newspaper. His mother is cleaning the rooms. His sister is drawing a picture. His brother is doing morning exercises. His grandpa and grandma are watching TV. They are happy.
1．How many people are there in Tom's family? ( )| A．Five. | B．Six. | C．Seven. |
| A．He's doing his homework. | B．He's doing morning exercises. |
| A．She's reading a newspaper. | B．She's go shopping. | C．She's cleaning the rooms. |
| A．He's doing his homework. | B．He's doing morning exercises. | C．He's drawing a picture. |
| A．They're sleeping. | B．They're watching TV. | C．They're drinking tea. |
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
