Eagle has the longest life-span of its species.Eagle can (1) ______up to 70 years,but to reach this age eagle must make a hard decision.

In it’s 40’s,its long and flexible talons(爪)can no longer grab prey(掠食)which serves as food,its long and sharp beak（鸟嘴，喙）become bent.Its old-aged and heavy

wings,due to their thick feathers,become stuck to its chest and make it (2) ______to fly.Then,the eagle is left with only two options:die or go through a painful process of change which lasts 150 days for survival.

The process requires that eagle fly to a mountain top and sit on its nest.There the eagle knocks its beak (3) ______a rock until it plucks（拔去）it out.After plucking it out,eagle will wait for a new beak to grow back.When its new talons grow back the eagles starts plucking its old-aged feathers and after five months,eagle an take its flight of rebirth and live for thirty (4) ______years.

Many times,in order to survive,we have to start a change process.We sometimes need to (5) ______old memories,habits and other past traditions.Only freed from past burdens,can we take advantage of the present.

A.against

B.difficult

C.get rid of

D.live

E.more
_______