完型填空。Young people are often unhappy when they are with their parents. They say that their parents don’t 1 them. They often think their parents are too strict with them, and they are ne
Florida farmer Lohfner doesn't like moths(蛾). They eat my vegetables, he complains. But Lohfner has a secret weapon in his fight against moths: pheromones (外激素). Lohfner uses traps that rel