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A: Hello. This is Mr King speaking.
B: Hi, Dad. This is Betty.
A: Hi, Betty.
B: I’m in the Palace Museum with my friends.
A: Really? I hear it is an ancient palace.
B: It’s over six hundred years old.
A: Wow! That’s amazing.
B: Well, you don’t have to come to Beijing. You can visit it online.
A:
B: Have a good trip, Dad! Ha ha ...
| A．Good idea. |
| B．How old is it? |
| C．Where are you now? |
| D．Who’s calling, please? |
| E．I am afraid I don’t like it. |
| F．What’s the weather like today? |
| G．I really want to visit it one day. |
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
