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问题 选择题

算法共有三种逻辑结构，即顺序结构、条件结构、循环结构，下列说法正确的是（　　）

A．一个算法只能含有一种逻辑结构

B．一个算法最多可以包含两种逻辑结构

C．一个算法必须含有上述三种逻辑结构

D．一个算法可以含有上述三种逻辑结构的任意组合

答案

算法有三种逻辑结构

最基本的是顺序结构

一个算法一定包含有顺序结构，但是可以含有上述三种逻辑结构的任意组合，

故选D．

单项选择题

Comparisons were drawn between the development of television in the 20th century and the diffusion of printing in the 15th and 16th centuries. Yet much had happened (91) . As was discussed before, it was not (92) the 19th century that the newspaper became the dominant pree-leetronie (93) , following in the wake of the pamphlet and the book and in the (94) of the periodical. It was during the same time that the communications revolution (95) up, beginning with transport, the railway, and leading (96) through the telegraph, the telephone, radio, and motion pictures (97) the 20th-eentury world of the motor ear and the airplane. Not everyone sees that process in (98) . It is important to do so.
It is generally recognized, (99) , that the introduction of the computer in the early 20th century, (100) by the invention of the integrated circuit during the 1960s, radically changed the process, (101) its impact on the media was not immediately (102) . As time went by, computers became smaller and more powerful, and they became "personal" too, as well as (103) , with display becoming sharper and storage (104) increasing. They were thought of, like people, (105) generations, with the distance between generations much (106)
It was within the computer age that the term" information society" began to be widely used to describe the (107) within which we now live. The communications revolution has (108) both work and leisure and how we think and feel both about place and time, but there have been (109) views about its economic, political, social and cultural implications. "Benefits" have been weighed (110) "harmful" outcomes. And generalizations have proved difficult.

A．concept

B．dimension

C．effect

D．perspective
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问答题 简答题

采取借款人自主支付方式，借款人应提供哪些支付证明材料？
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