A talent contest has 8 contestants. Judges must award prizes for first, second, and third places, with no ties. (a)In how many d

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问题 A talent contest has 8 contestants. Judges must award prizes for first, second, and third places, with no ties.
(a)In how many different ways can the judges award the 3 prizes?
(b)How many different groups of 3 people can get prizes?

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答案336

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A talent contest has 8 contestants. Judges must award prizes for first, second, and third places, with no ties. (a)In how many d

GRE QUANTITATIVE

GRE

Theirdifferentattitudestothedifficulties______differentresults.

Beforethewarbrokeout,manypeople()insafeplacespossessionstheycouldnottakewiththem.

Thisisoneof______beautifulplacesinthiscity.

Inasecond-handbookshop,Billycameacrossabookwhichhethoughtwascertainlya______edition.

Thevolcanothatraisedtheislandsarestill________places.

Ahikerwalkedfor3days.Shewalked18milesonthefirstday,walking3milesperhour.Ontheseconddayshewalkedforone

Inasampleofassociatesatalawfirm,30percentaresecond-yearassociates,and60percentarenotfirst-yearassociates.Wh

规范化服务是由国家和(或)行业主管部门所制定并发布的某项服务(工作)应达到的统一标准。()

A．撞去毛B．挖去毛C．燎去毛D．刷去毛E．烫去毛净制鹿茸应

A．出血速度快，呕血或便血B．出血速度较慢，便血为主C．出血伴腹痛，高烧D．少量便鲜血E．腹痛、发热、黄疸

A、丙氨酸B、色氨酸C、谷氨酸D、苏氨酸E、组氨酸γ一氨基丁酸的前体是

封闭式基金在证券交易所上市，其价格除取决于基金份额资产净值外，还受到市场供求状况、经济形势、政治环境等多种因素的影响，所以其价格与资产净值常发生偏离。()

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