听一段对话,回答第1〜3小题。
A. He's going to Lake Middle School. B. He's going to Park Middle School. C. He's going back to the UK.
A. She's going to Lake Middle School. B. She's going to Park Middle School.
C. She's going back to the UK.
A. No, they aren't. B. Yes, they are. C. Yes, they're going to Lake Middle School.
听一段对话,完成第4〜5小题。
A. Chinese B. wonderful C. naughty
A. Park Middle School B. the UK C. the US
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