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问题 单项选择题

系统设计阶段的任务是______。

A．根据系统规划书中的功能要求，具体设计实现功能的详细技术方案
B．根据系统说明书中规定的功能要求，具体设计相关程序实现的算法
C．根据系统需求分析中提出的功能要求，具体设计实现数据结构方案
D．根据系统说明书中规定的功能要求，具体设计实现逻辑模型的技术方案

答案

参考答案：D

解析：本题考查电子商务信息系统生命周期的基础知识。

单项选择题

急性心肌梗死早期最重要的治疗措施是（）

A.抗心绞痛

B.消除心律失常

C.补充血量

D.心肌再灌注

E.增加心肌营养
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单项选择题

Generally speaking, a British is widely regarded as a quiet, shy and conservative person who is (1) only among those with whom he is acquainted. When a stranger is at present, he often seems nervous, (2) embarrassed. You have to take a commuter train any morning or evening to (3) the truth of this. Serious-looking businessmen and women sit reading their newspapers or dozing in a corner; hardly anybody talks, since to do so would be considered quite offensive. (4) , there is an unwritten but clearly understood code of behavior which, (5) broken, makes the offender immediately the object of (6) .

It has been known as a fact that a British has a (7) for the discussion of their weather and that, if given a chance, he will talk about it (8) . Some people argue that it is because the British weather seldom (9) forecast and hence becomes a source of interest and (10) to everyone. This may be so. (11) a British cannot have much (12) in the weathermen, who, after promising fine, sunny weather for the following day, are often proved wrong (13) a cloud over the Atlantic brings rainy weather to all districts! The man in the street seems to be as accurate — or as inaccurate — as the weathermen in his (14) .

Foreigners may be surprised at the number of references (15) weather that the British make to each other in the course of a single day. Very often conversational greetings are (16) by comments on the weather. "Nice day, isn’t it" "Beautiful!" may well be heard instead of "Good morning, how are you" (17) the foreigner may consider this exaggerated and comic, it is worthwhile pointing out that it could be used to his advantage. (18) he wants to start a conversation with a British but is (19) to know where to begin, he could do well to mention the state of the weather. It is a safe subject which will (20) an answer from even the most reserved of the British.

6（）

A.suspicion

B.opposition

C.criticism

D.praise
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