听力题

Questions 18-21 are based on the following dialogue between a reporter and a health expert.

单选题

What are the research subjects of Dr. Stone’s study?

A、 Elderly patients.
B、 Seriously ill patients
C、 People who never get sick.
D、 People who have just recovered.

【正确答案】 C

【答案解析】

由“you have studied 25 people who never get sick（你对25个从未生病的人进行了研究）”可知，答案为C。

单选题

What does Professor Smiths do every day?

A、 He goes swimming.
B、 He takes a long nap.
C、 He does weight-lifting.
D、 He takes a cold shower.

【正确答案】 D

【答案解析】

由“He has taken a cold shower every day for most of his adult life.（在成年时期的大多数时间里，他每天洗一个凉水澡）”可知，答案为D。

单选题

What do we learn about Mary?

A、 She is a former nurse.
B、 She works in a hospital.
C、 She works for Dr. Stone.
D、 She is a former professor.

【正确答案】 A

【答案解析】

由“She is a former nurse.（玛丽以前是个护士）”可知，答案为A。

单选题

What does Mary credit her health to?

A、 Balanced diet.
B、 Social network.
C、 Regular exercise.
D、 Memory training.

【正确答案】 B

【答案解析】

由“she credits this to the fact that she is constantly seeking out new friends.（她将此归功于她不断结识新朋友）”可知，答案为B。