(_____) 1. A. every B. ever C. either
(_____) 2. A. what B. where C. when
(_____) 3. A. Monday B. Mrs C. Maths
(_____) 4. A. pity B. play C. pencil
(_____) 5. A. swim B. swimming C. some
(_____) 6. A. Tuesday B. Thursday C. thirty
(_____) 7. A. and B. any C. animal
(_____) 8. A. Saturday B. Sunday C. Friday
(_____) 9. A. get up B. hurry up C. wake up
(_____) 10. A. all right B. a cup of C. anything else
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