(______) 1. A. Yes, we did. B. Yes, we have some good habits. C. No, we don’t.
(______) 2. A. She goes to school at seven. B. At seven. C. It’s seven.
(______) 3. A. It’s me. B. It’s a bedroom. C. It’s my bedroom.
(______) 4. A. Yes. I went to bed after 11. B. No, I went to bed after 11. C. No, I don’t.
(______) 5. A. Keeping rooms clean and tidy. B. Going to bed at 11:30 p.m. C. Never helping parents at home.
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