在包含1000个元素的线性表中实现如下各运算，哪一个所需的执行时间最短A．线性表按顺

2009年12月底，菲律宾马荣火山开始喷发。此次火山喷发出大量炽热的岩浆，这些物质可能来源于 (　　)

A．岩石圈

B．地壳

C．下地幔

D．软流层

下列程序执行后输出的结果是 【9】 。 f(int a) { static c=0; c=a+c++; return(c); } main() { int a=2,i,k; for(i=0;i＜2;i++) k=f(a++); prinf("%d\n",k); }

下列选项中不是急性非特异性心包炎的特点：（）

A.心包叩击音

B.胸痛

C.发热

D.X线心影增大

E.可累及心肌

造成拉萨和成都两地气温有较大差异的原因是因（）高低不同.

The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of (21) and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions - time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive (22) which is concluded with a well-defined (23) and can be further broken down into (24) - a complete development loop resulting in a release of an executable product, a subset of the final product under development, which grows incrementally to become the final system. The content structure refers to the disciplines, which group (25) logically by nature.

23（）

A.milestone

B.end-mark

C.measure

D.criteria