問題詳情

Part III.Reading Comprehension (60 points)Directions:In this section, there are 4 passages followed by five questiones, each with four suggestedanswers marked A,B,C,and D.You should choose the most appropriate answer.Passage 1With a tremendous roar from its rocket engine, the satellite is sent up into the sky. Minutes later,at an altitude of 300 miles, this they tiny electronic moon begins to orbit about the earth. Its radiobegins to transmit a staggering amount of information about the satellite's orbital path, the amount ofradiation it detects, and the presence of meteorites. Information of all kinds races back to the earth. Nohuman being could possibly copy down all these faces, much less remember and organize them .butan electronic computer can.The marvel of the machine age, the electronic computer has been in use only since 1946.It can dosimple computations-add ,subtract, multiply, and divide-with lightning speed and perfect accuracy .Itcan multiply two 10 digit number in 1/1000 second ,a problem that would take an average personfive minutes to do with pencil and paper. Some computers can work 5000 times faster than any personcan.Once it is given a program, that is a carefully worked out set of instructions devised by atechnician trained in computer language, a computer can gather a wide range of information for manypurposes. For the scientist it can get information from outer space or from the depths of the ocean. Inbusiness and industry the computer prepares factory inventories, keeps track of sales trends andproduction needs, mails dividend checks, and makes out company payrolls. It can keep bank accountsup to date and make out electric bills. If you are planning a trip by plane ,the computer will find outwhat route to take and what space is available.
51.Why does the author regard the electronic computer as the marvel of the machine age?
(A)Because electronic computers are rare.
(B)Because people know little about electronic computers.
(C)Because electronic computers can do much more kinds of work that human beings can't.
(D)Because electronic computers have been widely suspected.

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

內容推薦

內容推薦