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A: Hello, this is Nancy. May I speak to Helen?
B: This is Helen speaking.
A: Helen, how are you today?
B: Not so good.
A: I’m sorry to hear that. What’s the matter?
B: I have a bad cold.
A: Take care. Can I see you after school?
B: OK. See you.
1．B is ________. ( )
| A．Helen | B．Helen’s friend, Nancy | C．Helen’s brother |
| A．headache | B．bad cold | C．high fever |
| A．after school | B．tomorrow | C．after lunch |
| A．sisters | B．brothers | C．classmates |
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
