A、 Causes of illness.
B、 The discovery of antibiotics.
C、 The history of prescription drugs.
D、 Characteristics of antibiotics.

【正确答案】 D

【答案解析】解析：男士生病了，在吃抗生素，女士询问他的病情，随后两人便聊起了抗生素。

A、 Blood poisoning.
B、 A penicillin.
C、 A heart attack.
D、 An car accident.

【正确答案】 A

【答案解析】解析：blood poisoning意为“败血病”。

A、 To give an example of a bad reaction to penicillin.
B、 To show how penicillin has changed over the years.
C、 To emphasize the importance of antibiotics.
D、 To explain why penicillin requires a prescription.

【正确答案】 C

【答案解析】解析：女士讲她父亲得败血病的故事是为了说明抗生素的重要性。

A、 In a pharmacology course.
B、 From her mother.
C、 At the student health center.
D、 From her doctor.

【正确答案】 B

【答案解析】解析：从“My mother used to look up all our medicines，prescription and non-prescription．”可知。

A、 Look up some information about his medicine.
B、 Take an extra dose of his medicine.
C、 Ask his doctor to change his prescription.
D、 Begin to do research for his lab project.

【正确答案】 A

【答案解析】解析：男士说要drop by the library to see if they have reference books on medicines，可知他要到图书馆看医学方面的参考书。