乳牛，食欲减少，口腔干臭，鼻镜干燥，反刍停止。肠蠕动音减弱，排粪停止。两后肢交替踏地

胆囊结石的手术治疗方法中，首选的是（）

A.经皮胆镜取石术

B.腹腔镜胆囊切除术

C.开腹胆囊切除术

D.小切口胆囊切开取石术

E.胆囊切开取石，胆囊造瘘术

现有如下程序段 #include "stdio.h" main( ) { int a[5][6]={23,3,65,21,6,78,28,5,67,25,435,76,8,22,45,7,8,34,6,78,32,4,5,67,4,21,1}; int i=0,j=5; printf("%d\n",*(&a[0][0]+2*i+j-2));} 则程序的输出结果为 A）21 B）78 C）23 D）28

An architectural Style defines as a family of such systems in terms of a (71) 、of structural organization.More specifically an architectural style defines a vocabulary of
(72) and connector types, and a set of (73) on how they can be combined. For many styles there may also exist one or more (74) that specify how to determine a system’s overall properties from the properties of its parts. Many of architectural styles have been developed over the years.The best-known examples of (75) architectures are programs written in the Unix shell．

A．metadata
B．components
C．models
D．entities

上消化道大量出血

房地产开发企业甲急欲销售其开发的某住宅区的最后1套别墅，遂打电话向乙、丙、丁发出售房要约，并声明该要约的有效期为1个月。要约发出后第10日，甲与乙签订买卖合同并交付该别墅，乙支付了全部房款，但未办理产权变更登记。第21日，甲与不知情的丙签订买卖合同并办理了产权变更登记。第25日，甲又与不知情的丁签订了买卖合同。第26日，该别墅被意外焚毁。请回答下面问题。

下列关于乙的权利义务的何种表述是正确的( )

A．若房屋未焚毁，丙有权要求乙搬离房屋

B．若房屋未焚毁，法院应确认该房屋为乙所有

C．乙对房屋的占有为善意、自主占有

D．乙应向丙赔偿因房屋焚毁而造成的损失