(____) 1. A. grandpa B. mother C. park
(____) 2. A. Saturday B. twenty C. Monday
(____) 3. A. swim B. skate C. tomorrow
(____) 4. A. football B. paint C. basketball
(____) 5. A. Hong Kong B. Sunday C. Green Park
(____) 6. A. seventeen B. six C. holiday
(____) 7. A. good B. tired C. school
(____) 8. A. kite B. ball C. peach
(____) 9. A. long B. wide C. mother
(____) 10. A. will B. kite C. have
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