1、The heat-collector is a system of connected water pipes. Most of them run from one side of the street to the other, just under the asphalt road. Some, however, dive deep into the ground. When the street surface gets hot in summer, water pumped through the pipes picks up this heat and takes it underg
2、round through one of the diving pipes. At a depth of 100 metres lies a natural aquifer(蓄水层) into which several heat exchangers(交换器) have been built. The hot water from the street runs through these exchangers, warming the ground-water, before returning to the surface through another pipe. The aquife
3、r is thus used as a heat store. In winter, the working system is changed slightly. Water is pumped through the heat exchangers to pick up the heat stored during summer. This water goes into the building and is used to warm the place up. After performing that task, it is pumped under the asphalt and
4、its remaining heat keeps the road free of snow and ice. 1. Which of the following is true according to the first two paragraphs?A. Arian de Bondt got his idea from his boss. B. Large, flat, black surfaces need to be built in cities. C. The Dutch engineers system has been widely used. D. Heat can als
5、o be collected from asphalt roads. 2. For what purpose are the diving pipes used?A. To absorb heat from the sun. B. To store heat for future use. C. To turn solar energy into heat energy. D. To carry heat down below the surface. 3. From the last paragraph we can learn that.A. some pipes have to be r
6、e-arranged in winterB. the system can do more than warming up the buildingC. the exchangers will pick up heat from the street surfaceD. less heat may be collected in winter than in summer4. What is most likely to be discussed in the paragraph that follows?A. What we shall do if the system goes wrong
7、. B. What we shall do if there are no asphalt roads. C. How the system cools the building in summer. D. How the system collects heat in spring and autumn. 【参考答案】1-4 DDBC 阅读理解。阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。Without proper planning, tourism can cause problems. For example, too many tourists can c
8、rowd public places that are also enjoyed by the inhabitants of a country. If tourists create too much traffic, the inhabitants become annoyed and unhappy. They begin to dislike tourists and to treat them impolitely. They forget how much tourism can help the countrys economy. It is important to think
9、 about the people of a destination country and how tourism affects them. Tourism should help a country, keep the customs and beauty that attract tourists. Tourism should also advance the wealth and happiness of local inhabitants.Too much tourism can be a problem. If tourism grows too quickly, people
10、 must leave other jobs to work in the tourism industry. This means that other parts of the countrys economy can suffer.On the other hand, if there is not enough tourism, people can lose jobs. Businesses can also lose money. It costs a great deal of money to build large hotels, airports, air terminal
11、s, firstclass roads, and other support facilities(配套设施)needed by tourist attractions. For example, a major international class tourism hotel can cost as much as 50 thousand dollars per room to build. If this room is not used most of the time, the owners of the hotel lose money.Building a hotel is ju
12、st a beginning. There must be many support facilities as well, including roads to get to the hotel, electricity, sewers to handle waste, and water. All of these support facilities cost money. If they are not used because there are not enough tourists, jobs and money are lost.1Which of the following
13、do you think has been discussed in the part before this selection?AIt is extremely important to develop tourism.BBuilding roads and hotels is essential.CSupport facilities are highly necessary.DPlanning is of great importance to tourism.答案:D本文一开始便讲如果没有适当的计划,旅游业会带来的各种问题,可见前文叙述适当计划的好处,以正反两方面来阐述。2The underlined word“inhabitants” (in Paragraph 1 ) probably means_.Atourists BpassengersCpopulation DcitizensD文中提到太多游客来该国inhabitants喜欢的地方,可见它指本国本土的居民。3Too much tourism can cause all these problems EXCEPT _.Aa bad effect on other industriesBa change of tourists customsCovercrowd of places of interestDpre
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