完形填空。 Bringing a giraffe into the world is a tall order．A baby giraffe falls 10 feet from its mother's womb (子宫) and usually lands on its 1_ ．Within seconds it rolls over and tucks(缩拢) its legs under its body．Gary Richmond describes how a newborn giraffe learns it first 2 in his book, A View from the Zoo． The mother giraffe 3 her head long enough to take a quick look．Then she _4 herself directly over her calf．She waits for about a minute, and then she does the most 5 thing．She swings her long leg outward and kicks her baby． If the baby giraffe doesn't 6 , the violent process is repeated over and over again．The   _ 7 to rise is very important．As the baby calf grows 8 , the mother kicks it again to stimulate(激励) its efforts．Finally, the calf stands for the first time on its 9 legs． Then mother giraffe does the most remarkable thing．She kicks it off its feet again． 10 ? She wants it to remember how it got up．In the wild, baby giraffes must be able to get up as 11 as possible to stay with the herd(鹿群), where there is 12 ．Wild animals and hunting dogs all 13 young giraffes, and calves would be punished if the mother didn't 14 her calf to be watchful and get up quickly． Irving Stone 15 this．He spent a lifetime studying 16 , writing novelized biographies of such men as Michelangelo, Vincent van Gogh, and Charles Darwin． Stone was once asked if he had found a 17 that runs through the lives of all these exceptional people．He said, 'They are 18 over the head, knocked down, and for years they still get 19 ． But every time they are knocked down, they stand up．You cannot 20 these people.And at the end of their lives they've accomplished some modest part of what they set out to do． (     )1．A．back (     )2．A．look (     )3．A．raises (     )4．A．throws (     )5．A．difficult (     )6．A．get up (     )7．A．demand (     )8．A．excited (     )9．A．strong (     )10．A．Why (     )11．A．slowly (     )12．A．danger (     )13．A．hate (     )14．A．teach (     )15．A．accepted (     )16．A．kindness (     )17．A．history (     )18．A．injured (     )19．A．nowhere (     )20．A．change B．side B．move B．lowers B．finds B．greedy B．work on B．struggle B．worried B．dusty B．When B．quickly B．love B．punish B．urge B．remembered B．greatness B．record B．beaten B．anywhere B．support C．front C．lesson C．pulls C．points C．unreasonable C．lie down C．request C．surprised C．weak C．Where C．carefully C．silence C．enjoy C．remind C．declared C．nature C．thread C．killed C．everywhere C．blame D．head D．class D．draws D．positions D．uncreative D．come up D．failure D．tired D．short D．Which D．frequently D．safety D．watch D．allow D．understood. D．expectation D．means D．hurt. D．somewhere D．destroy