(____) 1. A. lion B. tiger C. pear
(____) 2. A. Sam B. zoo C. Amy
(____) 3. A. tree B. apple C. peach
(____) 4. A. seven B. sixteen C. lunch
(____) 5. A. book B. toy C. pen
(____) 6. A. where B. how C. long
(____) 7. A. farm B. school C. fruit
(____) 8. A. park B. naughty C. loud
(____) 9. A. cake B. bread C. pear
(____) 10. A. teacher B. farmer C. thirteen
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