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Mingming is a student, who is 1.4 meters tall. This summer, he and his mother are going to travel by high-speed train. Here is some information they have got.
Train | Departure（出发地） | Arrival | Price |
G6148 | Huaihua 08:52 | Changsha 10:26 | ¥152.5 （half price: ¥76.5） |
G6151 | Huaihua 11:16 | Guangzhou 15:52 | ¥370 （half price: ¥185） |
G1370 | Huaihua 9:17 | Shanghai 16:36 | ¥603 （half price: ¥301.5） |
G82 | Huaihua 10:12 | Beijing 17:21 | ¥801.5 （half price: ¥401） |
Attention:
1. Children below 1.2 meters: free;
2. Children between 1.2-1.5 meters: half price.
1．Which train will Mingming take if he wants to go to Shanghai?
| A．G6148. | B．G1370. | C．G82. |
| A．At 15:52. | B．At 16:36. | C．At 17:21. |
| A．¥152.5. | B．¥229. | C．¥305. |
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
