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Chen Jie: Look at that boy.
John: Yes. He’s tall and thin.
Chen Jie:
Wu yifan: He’s my new friend, John. Hi, John.
John: Hi, Chen Jie.
Chen Jie: Nice to meet you, too.
John: I’m from the USA.
Chen Jie:
John: Thank you.
| A．Who’s he? |
| B．He’s so tall! |
| C．Welcome to China. |
| D．Where are you from? |
| E．This is Chen Jie. |
| F．Nice to meet you. |
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
