If we don’t take steps some rare animals such as the Tibetan antelopes and pandas will

问题补充：

If we don’t take steps, some rare animals, such as the Tibetan antelopes and pandas will some day just as dinosaur.

A. die out

B. die away

C. die down

D. die off

答案：

(答案→)A. die out

B. die away

C. die down

D. die off

解析：考查词组：A. die out灭绝，B. die away渐渐消失C. die down平息，D. die off相继死去，句意是：如果我们不采取措施，一些稀有动物，如藏羚羊和熊猫有一天会想恐龙一样灭绝。选A。