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Yesterday was Monday. We were in the classroom after school. We helped our teacher. Amy cleaned the floor, Daming cleaned the blackboard. We were very tired. But we were very happy. My teacher was very happy too.
1．Yesterday was _________. （ ）| A．Monday | B．Tuesday | C．Sunday |
| A．bedroom | B．home | C．classroom |
| A．They | B．Amy | C．Daming |
| A．desk | B．chair | C．blackboard |
| A．tired and sad | B．happy | C．tired and happy |
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
