三、完形填空（本大题共15小题，每小题1分，共15分）
选择最佳答案完成句子，错选、多选或未选均无分。
When we use the 41 “computer”, we 42 mean a digital computer, which uses
43 as its fundamental mechanism. There is another type, 44 an “analogue” computer, which works by measuring various quantities 45 to the phenomenon 46 investigation. Analogue machines are normally used for rather specialized purposes.
Computers can also be 47 according to their size and power. Nowadays, a wide 48 of “micro-computer” is available for home use, 49 for restricted use in business and scientific applications. There are compact, desk-top machines with 50 capacities, though the increasing availability of high－capacity “secondary storage” 51 for such machines is making it possible for quite serious applications to be 52 them. Rather larger and more powerful are the “minicomputers” which are now 53 in very small business, as well as in industry and academic institutions. At the top end of the scale we have multi-user “mainframe” computers, which may 54 millions of pounds and 55 handling complex tasks involving very large amounts of data.
41.A. language B. term C. expression D. word
42.A. normally B. apparently C. formally D. absolutely
43.A. to count B. to be counted C. counting D. for counting
44.A. known to B. known for C. known as D. known
45.A. related B. relative C. in relation D. relational
46.A. in B. under C. with D. on
47.A. divided B. split C. classified D. separated
48.A. field B. range C. scope D. area
49.A. as well B. as well as C. too D. in addition
50.A. limited B. limiting C. restricted D. restricting
51.A. facilities B. equipments C. appliances D. devices
52.A. implemented on B. implemented to
C. complemented on D. complemented to
53.A. finding B. to find C. to be finding D. to be found
54.A. spend B. expend C. cost D. charge
55.A. are able to B. are capable of C. enable to D. are unable to
