A.different labels
B.windows and glass doors
C.inland flooding
D.early warning
E.natural disaster
F.a constant speed

During a hurricane one should stay away from （）

A．LEDs are made up of tiny pieces of rock.
B．LEDs can send out light of different colors.
C．LEDs belong to incandescent lights.
D．LEDs look like crystals.

A．system
B．energy
C．year
D．rays