4.
A. They decided to hire more guards to protect it.
B. They decided to assess the value of the work.
C. They agreed to keep it as long as possible.
D. They agreed to sell it at a fair price.
Questions 5 to 8 are based on the conversation you have just heard.5.
A. The man’s illness.
B. Some characteristics of antibiotics.
C. The history of prescription drugs.
D. The survival of human races before antibiotics.
6.
A. Her lab notes.
B. A medical reference book.
C. A homework assignment.
D. The name of her doctor.
7.
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.
8.
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.
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