单项选择题

Questions 17—20 are based on the following passage you have just heard. You have 20 seconds to read Questions 17—20. According to the passage, what will probably happen to the endangered species

A．They will face extinction without artificial reproduction.
B．They will have to migrate to find new homes.
C．They will be able to survive in the preserves.
D．They will gradually die out.

<上一题目录下一题>

热门试题

单项选择题

What will be a possible threat to plants in the future’

A．Storms and floods.
B．Disease and fire.
C．Rapid increase of the animal population.
D．Less space for their grow

单项选择题

According to the speaker, what is the possible danger facing bald eagle

A．Pollution of the environment.
B．Over-killing by hunters.
C．Destruction of their natural homes.
D．A new generation of pest killers.

Questions 17—20 are based on the following passage you have just heard. You have 20 seconds to read Questions 17—20. According to the passage, what will probably happen to the endangered species 您的浏览器不支持 audio 元素。

Questions 17—20 are based on the following passage you have just heard. You have 20 seconds to read Questions 17—20. According to the passage, what will probably happen to the endangered species