- Reading
I
1, across
2, far
3, vehicles
4, reason
5, safest
6, only
7, crossroad
8, follow
II
A
1, T
2, F
3, F
4, T
5, T
6, F
B
1, The first electric light was invented in 1912.
2, It was invented by Lester Wire, an American policeman.
3, It had only red and green lights
4, It was first installed in Cleveland, Ohio.
5, Instead of a yellow light, it had a buzzer sound to warn everyone of a signal change.
6, The yellow light was added in 1920.