Ants first captured the attention of software engineers in the early 1990s. A single ant cannot do much on its own, but a group of ants (52) can solve complex problems. That inspired people like Marco Dorigo, who is one of the founders of a (53) known as group intelligence.
Ants are good at choosing the shortest possible route between a food (54) and their nest. This reminds us of a classic computational travelling-salesman problem. Given a list of cities and their (55) apart, the salesman must find the shortest route needed to visit each city once. As the number of cities (56) , the problem gets more complicated.Ants solve their own problem using chemical signals called pheromones (信息素), when an ant finds food, she takes it back to the nest, (57) a pheromone trail that will attract others. The more ants that (58) the trail, the stronger it becomes. (59) , the pheromones evaporate (挥发) quickly, so once
A. by the way
B. as a whole
C. for some time
D. on the average
| Gianni Agnelli, Chairman of Fiat,
Italy’s largest private industrial corporation, is known in Italy as the lawyer,
because he trained in law at Turin University. Though A he has never practiced,
his training may be useful. On April 17th Mr. Agnelli admitted to a group of
Italian industrialists in Venice{{U}} (19) {{/U}}Fiat had been{{U}}
(20) {{/U}}in some corruptions in Italy. On April 21st, Fiat’s lawyers
and Cesare Romiti, its managing director, met Milan magistrates to{{U}} (21)
{{/U}}the firm’s involvement in bribery to win business from state-owned
companies. Fiat is not the{{U}} (22) {{/U}}Italian company caught up i A. solved B. answered C. questioned D. replied [多项选择]氟喹诺酮类药物适用于（）
A. 骨关节感染 B. 泌尿系感染 C. 呼吸道感染 D. 皮肤疖肿 E. 全身感染 [多项选择]高程测量一般可以通过（）方法实现。
A. 水准测量 B. 三角高程测量 C. GPS测量 D. 重力测量 [单项选择]左侧卧位可使腹痛减轻提示何种疾病（）.
A. 十二指肠淤滞症 B. 胰体癌 C. 反流性食管炎 D. 胃黏膜脱垂 E. 胃溃疡 [单选题]误服敌百虫中毒,哪种洗胃液忌用( )
A.0.9%氯化钠注射液 B.高锰酸钾溶液 C.温开水 D.碳酸氢钠溶液 E.1%盐水溶液 [填空题]机车按牵引动力方式分为电力机车、内燃机车，传动方式主要有交流传动和（ ）传动。
[多选题]中枢神经递质包括：
A.乙酰胆碱 B.谷氨酸 C.去甲肾上腺素 D.多巴胺 E.五羟色胺 [单选题]在word编辑状态下制表时，若插入点位于表格外右侧的行尾处，按回车键，结果是（ ）。
A.光标移到下一列 B.光标移到下一行，表格行数不变 C.插入一行，表格行数改变 D.在本单元格内换行，表格行数不变 [单项选择]That battered old bat of his is a ______ joke to all his friends.
A. steady B. standing C. persisting D. stable [简答题]轧制所用原料分哪几种？
[多选题]4.103. 第 103 题10kV配电线路与哪些交叉跨越时其直线跨越杆的导线应双固定( )。
A.铁路;高速公路和一级公路 B.电车道;通航河流 C.一、二级弱电线路 D.400V线路 E.特殊管道、一般管道、索道。 [单项选择]下列有关免疫复合物的描述正确的是（）
A. 免疫复合物的抗原成分都是细胞内成分 B. 抗原特异性检测技术主要检测抗原抗体复合物总量 C. 非抗原特异性检测技术主要检测抗原抗体复合物的性质，应用范围广 D. 引起SLE的免疫复合物为器官特异性抗原抗体复合物 E. 引起肾小球肾炎的免疫复合物为非特异性抗原抗体复合物 我来回答: 提交
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