What is an Oyster card?
Oyster is the easiest way to pay for journeys on the bus ，Tube ，tram，Docklands light Railway (DLR)，London Overground and National Rail journeys in London You can store your travel cards, Bus & Tram Pass，season tickets and credit to pay for journeys as you go.
Where to get an Oyster card?
There are a number of ways for you to get an Oyster card ：
• At over 3,900 Oyster Ticket stops
• At Tube and London Overground station ticket offices
• At some National Rail stations
• At London Travel information Centres
• Online at tfl. gov. uk/oyster
How to use an Oyster card?
To pay the correct fare on the Tube ，DLR，London Overground and National Rail services，you must always touch in on the yellow Oyster card reader at the start of your journey，and touch out at the end. if you don’t, a maximum cash Oyster fare will be changed When using the bus or tram, you must only touch in at the start, but not at the end of your journey.
What happens if I don’t visit London very often?
Don’t worry. Any pay as you go credit on your card will not expire (过期)，so you can keep it for your next visit or lend it to a friend.
Fares
Traveling by Tube from Central London (Zone l)to Heathrow (Zone 6)
Adult Oyster single fare
£ 4. 20 Monday to Friday 06:30 - 09:30 and 16:00一19:00
£ 2. 70 at all other times including public holidays
Adult single cash fare £ 5.00
For further information，visit tfL.gov. uk /fares.
You can get an Oyster card at the following places EXCEPT_____

A．at a post office	B．at an Oyster Ticket stop
C．on the website	D．at a Tube station

If a person with an Oyster card takes the 7 o’clock Tube from Central London to Heathrow for a week (no public holiday in between)，he should pay_____.

A．£ 18.90

B．£ 29.40

C．£ 26.40

D．£ 21.90

The passage is probably taken from a_______

A．journal

B．travel brochure

C．textbook

D．novel