按制定软件工程标准的不同层次和适用范围,软件工程标准可分为5级, (1) 制定的是国际标准, (2) 是行业标准。GB1256-89对程序流程图等做了明确、具体的规定,这种标准程序流程图的特点有 (3) 、 (4) 和 (5) 。 5()
A. 箭头表示数据的传递方向
B. 允许自行定义多种特定的图形符号
C. 对循环结构规定了一对特定的符号
D. 它和ISO的有关规定有一些差别
E. 允许有两个以上出口的判断
F. 特定方向的流线才用箭头标明流向
G. 不允许在图形符号外加注标志符和描述符
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IEEE 802.11小组公布了多个正式的WLAN标准,其中 (1) 工作在2.4GHz的 ISM频段。在WLAN体系结构中,AP的作用是 (2) 。 1()
A. 802.11a和802.11b
B. 802.11a和802.11h
C. 802.11b和802.11g
D. 802.11g和802.11h
面部出现芝麻粒大小的扁平丘疹,表面光滑
A. 扁平疣
B. 传染性软疣
C. 寻常疣
D. 掌跖疣
E. 丝状疣
按照ISO/IEC 9126软件质量标准,软件的可维护性所包括的子特性有 (1) ,软件的可移植性包括的子特性有 (2) 。 1()
A. 可靠性、可更改性、一致性
B. 可分析性、可更改性、安全性
C. 可分析性、可安装性、一致性
D. 可分析性、可更改性、稳定性
The measure of man’s real character is what he would do if he knew he would never be found out.—Thomas MacaulaySome thirty years ago, I was studying in a public school in New York. One day, Mrs. Nanette O’Neill gave an arithmetic (36) to our class. When the papers were (37) she discovered that twelve boys had made exactly the (38) mistakes throughout the test.There is nothing really new about (39) in exams. Perhaps that was why Mrs. O’Neill (40) even say a word about it. She only asked the twelve boys to (41) after class. I was one of the twelve.Mrs O’Neill asked (42) questions, and she didn’t (43) us either. Instead, she wrote on the blackboard the (44) words by Thomas Macaulay. She then ordered us to (45) these words into our exercise-books one hundred times.I don’t (46) about the other eleven boys. Speaking for (47) I can say. it was the most important single (48) of my life. Thirty years after being (49) to Macaulay’s words, they (50) seem to me the best yardstick(准绳), because they give us a (51) to measure ourselves rather than others.(52) of us are asked to make (53) decisions about nations going to war or armies going to battle. But all of us are called (54) daily to make a great many personal decisions. (55) the wallet, found in the street, be put into a pocket (56) turned over to the policeman Should the (57) change received at the store be forgotten or (58) Nobody will know except (59) . But you have to live with yourself, and it is always (60) to live with someone you respect. 44().
A. above
B. common
C. following
D. unusual