九、阅读短文，判断正(T)误(F)。
People go to work in different ways. Some people go to work on foot or by bike, because they don't live very far. Some people drive cars to work. It's fast but it's also expensive.
Now, in some big cities, like Nanjing, many people like to take the metro to go to work. It's cheap and fast. There are many metro lines(地铁线路) in Nanjing now: Line 1, Line 2, Line 3, Line 4... How can you find a metro station in Nanjing? When you see a sign of
, you can find a metro station nearby. When we take the metro, we should pay attention to the signs, such as(例如) “Don't eat or drink on the metro” and “Don't touch the door”.
(
F
) 1. There are only four metro lines in Nanjing now.
(
T
) 2. People like to go to work by metro because it's cheap and fast.
(
F
) 3. We can eat an apple on the metro.
(
F
) 4. It's right to touch the metro doors.
