最早实行食品标准化的是美国,随后,欧盟对上市的蔬菜瓜果也制定了相关标准,导致非洲大量蔬果因长相不佳而被无情地逐出市场。这表明 ( )
I just don’t understandthat leads to so many teenagers addicted to playing computer games.
These problems may lead to more serious ones, ifunsolved.
His efforts to raise money for his program were ____ because no one showed any intention to take a cent out of their pockets.
Today, people are paying more and more attention to their health, books on keeping healthy extremely hot.
Green tea, many experts suggest, should be drunk regularly to improve health.