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I’m Fangfang. There are five people in my family. On Sundays, my father and my grandpa usually go fishing. My grandma usually goes shopping. My mother usually tidies our rooms and cooks. I usually read books. But today we are not doing these things. We are in a park. We are having a picnic (野餐).
1．On Sundays, Fangfang’s father usually ________. ( )| A．goes shopping | B．goes fishing | C．tidies the room |
| A．cooks | B．goes fishing | C．goes shopping |
| A．cooking | B．having a picnic | C．going shopping |
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
