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| School Activities | ||
| September | Drawing Time: Tuesdays, 4:40-5:20 p. m. All students are welcome. | Football Time: Fridays, 3:30-4:15 p. m. Boys only. |
| October | Singing Time: Thursdays, 3:30-4:30 p. m. All students are welcome. | Basketball Time: Fridays, 2:15-3:30 p. m. All students are welcome. |
| November | Dancing Time: Mondays, 4:00-5:00 p. m. Girls only. | Football Time:Tuesdays,4:30-5:15 p. m. Boys only. |
| December | English Speaking Time: Fridays and Saturdays, 3:30-4:15 p. m. All students are welcome. | |
| A．English Speaking. | B．Drawing. | C．Dancing. | D．Basketball. |
| A．Singing. | B．Football. | C．Drawing. | D．Dancing. |
| A．Teachers. | B．Students. | C．Players. | D．Parents. |
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
