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Eileen: Hello? This is Eileen.
Riming: Hi, Eileen.
Eileen: Oh, hi, Riming. How was your Spring Festival holiday?
Riming: Well...
Eileen: Wow, snowing! Did you go skiing (滑雪), or build a snowman?
Riming: Actually, it snowed so much that my train got stuck and I couldn’t get home!
Eileen: Oh no! Did you miss the Spring Festival?
Riming: I had to wait for hours on the train.
Eileen: That’s terrible!
Riming: That’s not all...
Eileen: It sounds like you had the worst holiday ever!
| A．How are you? |
| B．What happened? |
| C．It is Riming here. |
| D．I left my bag on the train. |
| E．I guess you had fun! |
| F．Why not? |
| G．It was snowing so heavily that... |
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
