【正确答案】正确答案： Memory and Ageing Many people worry about their memory as they get older. / But progressive memory loss isn't inevitable as the years pass. / Changes do occur in how the brain works and how we remember things. / And diseases contributing to a decline in mental powers do become more common. / Nevertheless, the majority of people reach their 80s or 90s without significant problems. / Although the way the brain stores memories is far from understood, / there seem to be several types of memory, / including very recent memory, short-term memory and long-term memory. / The older you get, the less efficient the brain becomes at storing and recalling memories. /