相关试题
单选题 What does the author suggest near the end of the passage?
单选题 What is one of the reasons for people to delay retirement?
单选题 What is the general trend in people delaying retirement?
单选题 What do we learn from the passage about the timing of our behaviors?
单选题 What do we learn from the passage about the economics professor and her hairdresser?
单选题 What do doctors do when prescribing medicine for people?
单选题 Why do doctors advise patients to take most drugs in the morning or in the evening?
单选题 What does the author say about the proteins in our body?