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Emma has just finished travelling alone in Europe. Are you interested in her journey? Let’s read some of her travel diaries.
1．Emma was looking forward to this travel because ________.
| A．she had never taken a train ride before |
| B．she could do anything she liked on the journey |
| C．she hoped to keep herself away from the busy life |
| A．enjoying classical music |
| B．buying children’s books |
| C．visiting history museums |
| A．climbed the beautiful mountains |
| B．traveled along the river in a boat |
| C．wrote some postcards in her hotel |
| A．there was very little crime there |
| B．the city was full of friendly people |
| C．she thought she was careful enough |
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
