In this section, you will hear several passages.
Listen to the passages carefully and then answer the questions that
follow. Questions 11 to 13 are based
on the following passage. At the end of the passage, you will be given 15
seconds to answer the questions. Now, listen to the
passage. Which element of the following can contribute to work stress according to the passage
A．Cardiovascular disease. B．Overwork with little appreciation. C．Lack of exercise. D．Long time isolation.