有一批货物要从A地运往B、C、D、E、F各地，它们之间的距离如下图，图中直线上的数据表示相应的行车距离（单位：公里）。请采用单一路径方法求出A地到其它各地的最短运输路线及其相应的公里数。[注：采用列表方法或图示法均可，但需写出计算步骤。]
参考答案：
最短路径是：A-C-D-F-E-B-A,最短路径公里数：25+14+52+46+86+30=253公里。
| 阅读理解。 | ||||||||||||
| Tech-Camp No.6 Devon Road, Kowloon Tong, Hong Kong a technology day camp for students 12-17 About Tech-Camp. Tech-Camp is a day camp with a focus on computers and electronics technology. We offer 2-week summer programmes for students of 12 to 17 years of age. We have a computer lab with the latest and fastest equipment, an electronics lab, and a video production studio. Our staff are special, too. Our programme leaders are experts in computers and electronics, of course, but they are also people who care about children and enjoy working with them. The benefits of Tech-Camp In all of our programmes, we show students how to work in teams and how to solve problems by themselves. We encourage them to think creatively. What students will do at Tech-Camp Each day Tech-camp is filled with useful, interesting and challenging activities. For example, in the Computer Programme, students learn the basic computer programming, and how to use the Internet. In the Tech-Camp Programme, they make radio-controlled model cars and produce their own short videos.
For more information about Tech-Camp, please contact Director of Summer Programmes, Ms Julia Brown, by phone, fax or e-mail. Telephone: 26548898 Fax: 26948850 E-mail: juliab@techcamp.com.hk | ||||||||||||
| 1. What would you probably like to ask about if you phone Ms Julia Brown after reading the brochure? | ||||||||||||
| A. The activities the students will have. B. The fee each attendant should pay. C. The e-mail address of Tech-Camp. D. The deadline for application. | ||||||||||||
| 2. From the brochure we can infer that _______. | ||||||||||||
| A. the Camp offers students accommodation during their two-week stay at the Camp B. high school teachers are in charge of the Tech-Camp all the time C. students at Tech-Camp benefit from the knowledge about the hi-tech through lectures given by the experts D. students will learn how to work with their friends and how to think and solve problems creatively through activities | ||||||||||||
| 3. According to this text, how much will they pay if a group of 20 students enter for Tech-Camp? | ||||||||||||
| A. HK $36,000. B. HK $35,000. C. HK $3,600. D. HK $40,000. | ||||||||||||
| 4. The text is intended to _______. | ||||||||||||
| A. introduce to us some information about Tech-Camp B. attract students to take part in Tech-Camp C. offer some introductions about computer technology D. tell students of the necessity of learning Hi-tech Programme |
