单项选择题

Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions.
Now, listen to the news.
What can we know about the elephants in zoos

A．They generally breed well.
B．They may not suffer health problems.
C．They may die relatively young.
D．They are cleverer than the wild elephants.

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单项选择题

单项选择题

Questions 29 and 30 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news. What can we know about the elephants in zoos 您的浏览器不支持 audio 元素。