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Zhang Xin is a good student. Her father is her maths teacher. They are good friends, too. They often get up at six. They like sports. They usually do morning exercises together. Sometimes they run in the morning. Liu Ran is Zhang Xin’s classmate. They are good friends, too. They often take a dancing class on Sundays.
1．Zhang Xin’s father is a _______. ( )| A．doctor | B．teacher | C．driver |
| A．6:00 a.m. | B．7:00 a.m. | C．8:00 a.m. |
| A．play basketball | B．go to the park | C．do exercises |
| A．classmate | B．friend | C．A and B |
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
