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1．当你的朋友告诉你她买了一件新衣服，你想知道是什么颜色的，你会怎么问：( )
| A．What is it? |
| B．What’s this? |
| C．What colour is it? |
| A．Today is Children’s Day. |
| B．The weather is sunny. |
| C．I like snow. |
| A．Nice to meet you, too! |
| B．How old are you? |
| C．You’re welcome! |
| A．My father is a driver. |
| B．He is tall. |
| C．My father is thirty years old. |
| A．Not at all. |
| B．I’m sorry. |
| C．Good morning! |
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
