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Daming: There are many mountains in China.
Simon: I know it’ s the Huangshan Mountain.
Daming: You are right. The Huangshan Mountain is famous and beautiful.
Simon:
Daming: Yes, but it’s hard for us. It’s too high.
Simon:
Daming: It’s 1864 metres.
Simon: Wow! That’s really high.
Daming: It’s about 200 million years old.
| A．There is a famous mountain in Anhui. |
| B．How high is the mountain? |
| C．How old is it? |
| D．I want to climb a mountain. |
| E．Can we climb the top (顶部) of the mountain? |
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
