甲班学生做完实验室制备氧气和还原金属氧化物的实验后,剩余物质倒入同一废液缸里.乙班课外兴趣小组同学进行了如图所示的探究.请回答:
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
现代人猿和人类共同起源于( )