1、Today just as technology changed the face of industry, farms have experienced an “agricultural revolution”. On the farm of today, machines provide almost all the power.One of the most important benefits will be the farm computer. A few forward-looking farmers are already using computers to help them
2、 run their farms more efficiently. The computers help them keep more accurate records so they can make better decisions on what crops to plant, how much livestock (家畜) to buy, when to sell their products, and how much profit they can expect. Many computer companies have been developing special compu
3、ter programs just for farmers. Programs are being written for pig producers, grain farmers, potato farmers, and dairy farmers. In the future, farmers will be able to purchase computer programs made to their needs. Because of the growing importance of computers on the farm, students at agricultural c
4、olleges are required to take computer classes in addition to their normal agricultural courses. There can be no doubt that farmers will rely on computers even more in the future. While the old-time farm depended on horse power, and modern farms depend on machine power, farms of the future will depen
5、d on computer power.Another technological advance which is still in the experimental stage is the robot, a real “mechanized hired hand” that will be able to move and, in some ways, think like a human being. Agricultural engineers believe that computer-aided robots will make shocking changes in farmi
6、ng before the end of the century. Unlike farmers of the present, farmers of the future will find that many day-to-day tasks will be done for them. Scientists are now developing robots that will be able to shear (修剪) sheep, drive tractors, and harvest fruit. Even complex jobs will be done by robots.
7、For example, in order to milk their cows, farmers must first drive them into the barn, then connect them to the milking machines, watch the machines, and disconnect them when they are finished. In the future, this will all be done by robots. In addition, when the milking is completed, the robots wil
8、l automatically check to make sure that the milk is pure. The complete change of the farm is far in the future, but engineers expect that some robots will be used before long.48. According to the passage, computers can not help farmers decide _.A. how much money they can earn from their productsB. w
9、hether to plant a certain kind of cropC. what livestock to raiseD. when to sell their products49. Which of the following statements is true?A. Farmers in the future will depend totally on computers.B. Farmers mainly use machines on their farms at present.C. Both computers and robots have been in use
10、 on todays farms.D. Students at agricultural colleges neednt take their normal agricultural courses.50.What is the best title for the whole passage?A. Computer, Farmers Best FriendB. Farmers in The FutureC. The Agricultural RevolutionD. Computers and Robots答案：48.C. 细节理解题。根据文章第二段第三句中how many live-stock to buy可知表数量。49.B. 细节理解题。根据文章第一段第一句可知。50.C. 主旨大意题。标题中关键词是 agricultural revolution.
