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Classes are over at 3:30 p. m. , so we always play after that. Most of us like to play at school some do their homework, some play at school. Sometimes we clean our classroom and school garden. Sometimes we play ballgames in the playground. On weekends we always visit Mrs. Li. She is an eighty-year-old woman. We read newspaper to her. Tell her some interesting things about school. We talk to her. We help her do some housework. Mrs. Li likes to be with us. We feel happy with each other.
1． at 3：30 p. m. ( )| A．We always go home | B．Classes are over | C．We always do our homework |
A．in the library  | B．at school | C．in Mrs. Li's home |
| A．in the garden | B．in the playground | C．in the park |
| A．help | B．1earn from | C．play with |
| A．Monday | B．weekends | C．Tuesday |
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
