pas_ _（超过）
A：t
B：d
设OA→=a→，OB→=b→，OC→=c→，当c→=λa→+μb→（λ，μ∈R），且λ+μ=1时，点C在（ ）
B
From — To
Ways
Cost
Time
Comfortable
Popular
Xizhimen — Beijing Railway Station
Bus
￥1
40 minutes
*
**
Taxi
￥20
10 minutes
***
Subway
￥3
30 minutes
Bike
/
1 hour
London— Paris
Coach
(长途汽车)
￡30
7 hours
Plane
￡100
1 hour and
15 minutes
Train
￡60
3 hours
Ferry
(渡轮)
￡45
6 hours
Shanghai — Tianjin
￥280
15 hours
￥1000
2 hours
￥180
20 hours
￥286
14 hours
