单项选择题

Questions 13 to 15 are based on the conversation you have just heard.

A. A scarcity of jobs in their field.
B. Inadequate training in methods of biological research.
C. Difficulties in classifying all of the varieties of owls.
D. A lack of funding for their work with endangered species.
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单项选择题
A. It requires too much traveling.B. It limits interaction among students.C. It will increase class size.D. It will encourage students to watch too much television.
A. It requires too much traveling.
B. It limits interaction among students.
C. It will increase class size.
D. It will encourage students to watch too much television.
单项选择题
A. Speaking confidently but not aggressively. B. Talking loudly to give a lasting impression. C. Talking a lot about the job. D. Speaking politely and emotionally.
A. Speaking confidently but not aggressively.
B. Talking loudly to give a lasting impression.
C. Talking a lot about the job.
D. Speaking politely and emotionally.
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