搜索
[[QOrDeR]]“发生了什么事”用英语怎样问？ （ ）
| A．Who is the matter? | B．What’s the matter? |
| C．How is the matter? |
| A．Are this your T-shirt? | B．Is this your T-shirt? |
| C．Is this you T-shirt? |
| A．How many is the coat? | B．How much does the coat? |
| C．How much is the coat? |
| A．Excuse me. | B．Thank you. | C．Sorry. |
| A．That’s OK. | B．I’m sorry. |
| C．All right. |
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
