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A:
B: Pretty good.
A: Who did you go with?
B: I went with my parents and my brother.
A: Did you go by bus or by car?
B: Neither.
A: How long did it take you to get there?
B:
A:
B: It has changed a lot with the help of the government.
A: I’m glad to hear that.
| A．We went by high speed train. |
| B．How was your weekend? |
| C．What do you think of your hometown? |
| D．I went back to my hometown to see my grandparents. |
| E．Only one hour. |
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
