(_____)1. A. doll B. dog C. bus D. don’t
(_____)2. A. 97 B. 67 C. 37 D. 87
(_____)3. A. 10:15 B. 10:50 C. 2:12 D.2:20
(_____)4. A. write B. white C. what D. water
(_____)5. A. shorts B. shoes C. socks D. so
(_____)6. A. thirty B. thirteen C. forty D. thirsty
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