Questions 12 to 15 are based on the conversation you have just heard .[音频]
A. His major .
B. His salary.
C. His preference .
D. His tutor's advice.
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Questions 12 to 15 are based on the conversation you have just heard .
A. They just keep them in small cages .
B. They don’t feed them with enough food .
C. They give them too much training .
D. They don’t give them food at regular time .
Questions 12 to 15 are based on the conversation you have just heard .
A. To obtain a toy .
B. To decorate their life .
C. To make money .
D. To show their wealth .
Questions 12 to 15 are based on the conversation you have just heard .
A. Tourist and animal feeder .
B. Consultant and animal expert .
C. Interviewer and interviewee .
D. Pet owner and animal doctor .
Questions 16 to 18 are based on the passage you have just heard.[音频]
A. To measure the movement of waves in the ocean .
B. To determine whether the Earth’s temperature is going up .
C. To study the behavior of some sea animals .
D. To measure the depths of the ocean .
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