在职攻硕英语考试

【单选题】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 (51) can solve complex problems. That inspired people like MarcoDorigo, who is one of the founders of a (52) known as group intelligence.
Ants are good at choosing the shortest possible route between a food (53) and their nest. This reminds us of a classic computational travelling-salesman problem. Given a list of cities and their (54) apart, the salesman must find the shortest route needed to visit each city once.As the number of cities (55) , 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, (56) a pheromone trail that will attract others. The more ants that (57) the trail, the stronger it becomes. (58) , the pheromones evaporate (挥发) quickly, so once all the food has been collected, the trail soon goes colD、This rapid evaporation means long trails are less (59) than short ones, all else being equal. Pheromones thus turn the (60) intelligence of the individual ants into something more powerful.

A、locations
B．positions
C．spaces
D．distances

网考网参考答案：D
网考网解析：
本题测试词汇。题干想表示城市中不同地方之间的距离，故distances最合适。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>