Part II Reading Comprehension Directions: There are 4 passages in this part. Each of the passages is followed by 5 questions or unfin-ished statements. For each of them there are 4 choices marked A, B, C and D. Choose the best one andmark your answer on the ANSWER SHEET with a single line through the centre.
　　阅读材料，回答下面试题。
　　All the useful energy at the surface of the earth comes fromthe activity of the sun. The sun heats and feeds creatures and mankind. Eachyear it provides men with two hundred million tons of grain and nearly tenmillion tons of wood, coal, oil, natural gas, and all other fuels are stored energyfrom the sun. Some was collected by this season’s plants as carbon compounds.Some was stored by plants and trees ages ago. Even waterpower derives from thesun. Water turned into vapor by the sun fails as rain. It courses down themountains and is converted to electric power. Light transmits only the energythat comes from the sun’s outer layer, and much of this energy that is directedtowards the earth never arrives. About nine tenths of it is absorbed by theatmosphere of the earth. In fact, the earth itself gets only one half millionthof the sun's entire output of radiant energy.
　　第11题 The sun is the source of all of the following EXCEPT ________
　　A.gasoline　　B.natural gas　　C.atomic power　　D.animal fat
　　答案：C
　　第12题 Radiant energy is stored as carbon compounds by________
　　A. Plants　　B.water　　C.rock　　D.creatures
　　答案：A
　　第13题 The sun’s energy provides us with all EXCEPT________
　　A.rain　　B.Teal　　C.Water　　D.light
　　答案：B
　　第14题 The largest part ofthe light energy directed towards the earth is________
　　A.stored up by the plants　　B.absorbed by the earth’s atmosphere
　　C.stored up by the animals in the form of body fat　　D.used for electric power
　　答案：B
　　第15题 Of the sun’s total output of radiant energy, the earthreceives________
　　A.one tenth　　B.one millionth　　C.all that comes from the surface of the sun　　D.a very small portion
　　答案：D
　　阅读材料，回答下面试题。
　　Much unfriendly feeling towards computers has been based on the fear of widespread unemployment resulting from their introduction. Computers are often used as part of automated( 自动化的) production systems requiring a least possible number of operators, causing the loss of many jobs. This has happened, for example, in many steelworks.
　　On the other hand, computers do create jobs. They are more skilled and better paid, though fewer in number than those they replace. Many activities could not continue in their present form without computers, no matter how many people are employed. Examples are the check clearing ( 交换) system of major banks and the weather forecasting system.
　　When a form introduces computers, a few people are usually employed in key posts (such as jobs of operations managers) while other staff are w-trained as operators, programmers, and data preparation staff. After the new system has settled down, people in non-computer jobs are not always replaced when they leave, resulting in a decrease in the number of employees. This decrease is sometimes balanced by a substantial increase in the activity of the frim, resulting from the introduction of computers.
　　The attitudes of workers towards computers vary. There is fear of widespread unemployment and of the takeover of many jobs by computer-trained workers, making promotion for older workers not skilled in computers more difficult.
　　On the other hand, many workers regard the trend toward wider use of computers inevitable.They realize that computers bring about greater efficiency and productivity, which will improve the condition of the whole economy, and lead to the creation of more jobs. This view was supported by the former British Prime Minister, James Callaghan in 1954, when he made the point that new technologies hold the key to increased productivity, which will benefit the economy in the long ran.
　　第16题 The unfriendly feeling towards computers is developed from
　　A.the possible widespread unemployment caused by their introduction
　　B.their use as part of automated production systems
　　C.the least possible number of operators
　　D.the production system in steelworks
　　答案：A
　　第17题 The underlined word "They"(Line 1, Para.2) refers to __________.
　　A.computers　　B.jobs　　C.activities　　D.systems
　　答案：B
　　第18题 According to Paragraph 2, without computers __________.
　　A.human activities could not continue
　　B.there could not be weather forecasting systems
　　C.many activities would have to change their present form
　　D.banks would not be able to go on with check clearing
　　答案：C
　　第19题 According to the passage, what results from the introduction of computers?
　　A.After re-training, all employees in the firm get new jobs.
　　B.A considerable proportion of people are employed in key posts,
　　C.The firrn keeps all of its original staff members.
　　D.The decrease in staff members may be balanced by the increase of firm activities.
　　答案：D
　　第20题 James Callaghan's attitude towards computers can be best described as __________.
　　A.doubtful　　B.regretful　　C.unfriendly　　D.supportive
　　答案：D

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