4.（ ）

(单选题)—What else should we pay attention to ______ building the br (单选题)I think ______ of the materials I listened to at the beginni (单选题)It’s a good habit to ______ all your things in correct place (单选题)What is Dr. Daffner’s advice for combating memory loss? (单选题)What should people do when signs of serious memory loss show (单选题)Which memory-related symptom should people take seriously? (单选题)What happens as we become aged according to the passage? (单选题)Why does the author say that one needn’t be concerned about (单选题)The passage is mainly concerned with ______. (单选题)Who probably plays a more important role in promoting the ca