(
B
) 1. What is the meaning of the underlined sentence?
A. Yellow is much more difficult to be noticed than red.
B. Yellow is much easier to be noticed than red.
C. Yellow is better than red.
D. Yellow is bigger than red.
(
B
) 2. In which country/countries were yellow buses used as postbuses?
A. Sweden and the USA.
B. Germany and Switzerland.
C. Chile.
D. Hungary.
(
C
) 3. When was school bus yellow created?
A. In 1923.
B. In 1991.
C. In 1939.
D. Before 1993.
(
A
) 4. Which of the following sentences is NOT true?
A. School bus yellow is now used in all countries in the world.
B. Not all yellow buses are used as school buses.
C. Now school buses in some parts of the United Kingdom use the same yellow as those in Canada and the USA.
D. National school bus standards for the USA were set up in New York.
(
B
) 5. Why was yellow chosen for school buses in the USA?
A. Because yellow buses were used as postbuses, too.
B. Because black words on yellow can be seen easily on early morning.
C. Because countries in Europe chose yellow for their school buses.
D. Because it was known as "National School Bus Chrome".