程序设计方法要求在程序设计过程中A.先编制出程序,经调试使程序运行结果正确后再画出程

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问题:

程序设计方法要求在程序设计过程中

A.先编制出程序,经调试使程序运行结果正确后再画出程序的流程图

B.先编制出程序,经调试使程序运行结果正确后再在程序中的适当位置处加注释

C.先画出流程图,再根据流程图编制出程序,最后经调试使程序运行结果正确后再在程序中的适当位置处加注释

D.以上三种说法都不对

考点:计算机等级考试C++二级C++笔试314
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读大洲图,下列说法正确的是

①赤道、北回归线和南回归线都穿过的是C洲 

②B、C两大洲的分界线是苏伊士运河 

③D大洲的气候特点是:酷寒、干燥、多狂风 

④美国位于B大洲 

⑤A大洲有极昼极夜现象

A.①②        B.③④           

C.①⑤        D.②③

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室上性心动过速的主要发生机制是( )

A.异位起搏点的兴奋性增高

B.束支折返

C.异位起搏点的兴奋性降低

D.折返

E.自律性异常增高

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为什么要主放大器或谱仪放大器?

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数据库的物理设计通常分为两步: 【18】 和对物理结构进行评价。

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Throughout the 19th century and into the 20th, citizens of the United States maintained a bias against big cities. Most lived on farms and in small towns and believed cities to be centres of (1) , crime, poverty and moral (2) Their distrust was caused, (3) , by a national ideology that (4) farming the greatest occupation and rural living (5) to urban living. This attitude (6) even as the number of urban dwellers increased and cities became an essential (7) of the national landscape. Gradually, economic reality overcame ideology. Thousands (8) the precarious (不稳定的) life on the farm for more secure and better paying jobs in the city. But when these people (9) from the countryside, they carried their fears and suspicions with them. These new urbanities, already convinced that cities were (10) with great problems, eagerly (11) the progressive reforms that promised to bring order out of the (12) of the city.

One of many reforms came (13) the area of public utilities. Water and sewerage systems were usually operated by (14) governments, but the gas and electric networks were privately owned. Reformers feared that the privately owned utility companies would (15) exorbitant (过渡的) rates for these essential services and (16) them only to people who could afford them. Some city and state governments responded by (17) the utility companies, but a number of cities began to supply these services themselves. (18) of these reforms argued that public ownership and regulation would (19) widespread access to these utilities and guarantee a (20) price.

(10)()

A.overwhelmed

B.overflowed

C.overtaken

D.preoccupied

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