听第二篇短文,回答第16—20小题。
(
C
)16. Where did the accident take place?
A. In the hospital. B. On a bus. C. On a train.
(
B
)17. What did Li Cheng take with him to the train?
A. A first-aid box. B. An AED. C. A mobile phone.
(
C
)18. Who first did CPR on the old man?
A. The station master Li Cheng.
B. A young station worker.
C. Two doctor passengers.
(
A
)19. Why did workers move people aside?
A. To create enough space for the help.
B. To make it easier for the train to leave.
C. To ask other passengers to leave the station.
(
C
)20. What can we know about the whole event?
A. It lasted more than ten minutes.
B. The old man was sent away before he breathed again.
C. People's joint efforts and timely help made a big difference.