【简答题】Directions: The passage is followed by some questions or unfinished statements. For each of them there are four choices marked A) B) C) and D). You should decide on the best choice. Losing your abilit...
【简答题】Read the passage and answer the following questions according to it. Losing your ability to think and remember is pretty scary. We know the risk of dementia (痴呆) increases with age. But if you have me...