One of the【C1】______ beautiful sights in the bird world is the male peafowl, or peacock, strutting (炫耀) proudly【C2】______ with

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问题     One of the【C1】______  beautiful sights in the bird world is the male peafowl, or peacock, strutting (炫耀) proudly【C2】______  with its magnificent【C3】______  raised and its richly【C4】______  tail feathers【C5】______  in the sunlight. The peacock’s many colored "tail" is not really a tail at【C6】______. It is a fan【C7】______  of stiff, beautiful feathers. This fan is【C8】______  by the peacock’s true tail. In【C9】______  to the glorious plumage, a peacock has a crest of upright feathers on its head.【C10】______, the peahen, or female peafowl, is usually colored a dull brown and has neither【C11】______  nor crest.
    The peafowl is a member of the pheasant【C12】______. It may be found【C13】______  wild in the jungles of Asia and of the East Indies. Tame peafowl may be seen in nearly all other parts of the world,【C14】______, although their flesh and their eggs are【C15】______  good for【C16】______  use, they are generally kept【C17】______  ornaments or curiosities in parks and in zoos. Peafowl in a wild state feed【C18】______  grass, grain, frogs, insects and snails. In【C19】______, however, they thrive on grains commonly【C20】______  to poultry.
【C14】

选项 A、therefore
B、which
C、however
D、where

答案D

解析
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