题目

People seem to have a natural need for friends and with good reason. Friends increase your enjoyment of life and relieve feelings of loneliness. They even can help reduce stress and improve your health. Having good friends is especially helpful when you are going through any kind of hard time such as when you are experiencing anxiety, panic(恐慌) attacks, or depression. When you are with good friends you feel good about yourself, and you are glad to be with them. A friend is someone who — ●you like, respect, and trust, and who likes, respects and trusts you ●doesn’t always 下列说法错误的是（ ）A．“绿色食品”、“白色污染”、“赤潮”说的都不是颜色问题B．生活污水、流失的农药化肥等会造成水体污染C．“洗洁精去油污”、“蛋白质的变性”都属于化学性质D．合金的硬度一般比各成分金属大