VOA慢速英语1500基础单词 [Q]

quality
[(1) that which something is known to have or be; (2) amount of value or excellence]
An important quality of steel is its strength. (1)
Their goods are of the highest quality. (2)

question
[(1) to ask; (2) to express wonder or disbelief; (3) a sentence or word used in asking for infomp3ation; (4) a problem; (5) an issue to be discussed]
His father questioned him about the car. (1)
She questioned if he really cooked the dinner. (2)
Did you answer every question in the test? (3)
The question of a pay increase is blocking a new labor agreement. (4)
The civil rights question is a big issue in the campaign. (5)

quick
[fast]
She made a quick decision.

quiet
[(1) with little or no noise; (2) having little or no movement; (3) calm]
The room was so quiet he could hear his heart beat. (1)
The sea was quiet. (2)
City streets were quiet on the night before Christmas. (3)