单项选择题

Questions 15 to 17 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now, listen to the passage.
What’s the major cause in the decline of Asian elephants

A．The taming for circuses and zoos.
B．The destruction of their natural homes.
C．Man’s lack of knowledge about their behavior.
D．The greater vulnerability to extinction than other species.

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单项选择题

What does the woman imply when she tells the man Don’t get your hopes up

A．The director probably isn’t able to make an exception.
B．The director probably won’t see him.
C．The director usually isn’t very helpful.
D．Part-time students aren’t the director’s responsibility.

单项选择题

According to economists, too much dependence on oil will

A．discourage investment at home.
B．increase oil prices.
C．attract more foreign investment.
D．change the country’s finance situation.

Questions 15 to 17 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now, listen to the passage. What’s the major cause in the decline of Asian elephants 您的浏览器不支持 audio 元素。

Questions 15 to 17 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now, listen to the passage.
What’s the major cause in the decline of Asian elephants