简述移动通信中对语音编码的要求。

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问题:

简述移动通信中对语音编码的要求。

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Barack Obama, a black man, is the president of the United States now. He was born in August ,1961, in Hawaii and has lived in many places. His mother was from Kansas and his father was from Kenya. Obama went to Columbia University in Massachusetts. His wife is Michelle Obama. She also worked as a lawyer and later worked for the University of Chicago. They have two young daughters.

Obama wrote a book Dreams from my father. “ I always live in the dream of my father and American people,” Obama once said. He was born in a poor family. And he was taken good care of by his grandparents when he was young. He also lived and worked in Africa. Then he got good education in Harvard University. In 2008, he became the first black president in the history of America.

小题1: Where was Barack Obama born?____________

A.In Hawaii

B.In Kansas

C.In massachusetts

D.In Harvard小题2: Barack Obama became president at the age of ____________.

A.37

B.47

C.57

D.51小题3: Which is the best title of this passage?_____________

A.Education of a president

B.Dreams from my father

C.Life of Barack Obama

D.Where is Obama from

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一位50多岁男患者,患慢支肺气肿多年,某日上午因用力咳嗽,突感胸痛气促,立即被送到医院急诊科。体检发现:血压100/70mmHg,呼吸120次/分,烦躁,唇、指发绀。气管明显偏左,右侧胸廓饱满,叩诊鼓音,呼吸音明显减弱。拟诊右侧气胸,未作相应处理,即送放射科作胸透。透视完后病人出现潮式呼吸,未及抢救就死亡了。为防止类似现象,应该()

A.充分检查,明确诊断,不伤害病人

B.依据症状,请相关医生会诊作决策,不伤害病人

C.当机立断,审慎地做出诊断并给以处置性穿刺,有利病人

D.迅速判断并确定恰当目标,做出恰当的医疗决策,有利病人

E.先行观察,再作处理,有利病人

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据《素问·阴阳应象大论》所述,阴阳是“万物”之()。

A.本始

B.纲纪

C.父母

D.征兆

E.道路

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食品罐藏

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经济学家指出,面对我国保险目前城乡居民储蓄存款余额年年增加、滞销产品仓储同时不断增加的“双储双增”现象,解决的办法只能是优化供给,通过有效供给诱发和拉动有效需求。材料蕴涵的经济生活道理()

A.消费是生产的目的和动力

B.发展生产能力提高人民的生活质量

C.生产为消费提供对象并为消费创造动力

D.消费对生产和其他环节起着重要的促进作用

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