PartⅣCloze Test （15 minutes， 10 points）
　　Directions： There are 20 blanks in the following passage. For each bland there are four choices marked A， B， C and D at the end of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on the ANSWER SHEET with a single line through the center.

　　It has been necessary to refer repeatedly to the effects of the two world wars in promoting all kinds of innovation. It should be __66__ also that technological innovations have __67__ the character of war itself by the __68__ of new mechanical and chemical devices. One weapon developed during World War II __69__ a special mention. The __70__ of rocket propulsions was well known earlier， and its possibilities as a __71__ of achieving speeds sufficient to escape from the earth‘s gravitational pull had been __72__ by the Russian and the American scientists. The latter built experimental liquid-fuelled rockets in 1926. __73__， a group of German and Romanian pioneers was working __74__ the same line， and in the 1930s， it was this team that developed a rocket __75__ of delivering a warhead hundreds of miles away. Reaching a height of over 100 miles， the V-2 rocket __76__ the beginning of the Space Age， and members of its design team were __77__f in both the Soviet and United States space programs after the war.

　　Technology had a tremendous social __78__ in the period 1900~1945. The automobile and electric power， __79__， radically changed both the scale and the quality of 20th-century life， __80__ a process of rapid urbanization and a virtual revolution __81__ living through mass production of household goods and __82__. The rapid development of the airplane， the cinema， and radio made the world seem suddenly smaller and more __83__. The development of many products of the chemical industry further transformed the life of most people. In the years __84__ 1945 the constructive and creative opportunities of modern technology could be __85__， although the process has not been without its problem.

　　66. A. notified B. observed C. commented D. detected

　　67. A. transformed B. imitated C. innovated D. simulated

　　68. A. introduction B. innovation C. elimination D. alteration

　　69. A. requires B. entitles C. furnishes D. deserves

　　75. A. capable B. able C. possible D. suitable
　　76. A. spoiled B. informed C. labeled D. marked

　　77. A. instrumental B. mechanical C. structural D. integral

　　78. A. influence B. connection C. impact D. conflict

　　79. A. on the other hand B. as a result C. on the contrary D. for instance

　　80. A. encouraging B. urging C. promoting D. assisting

　　81. A. by B. in C. through D. on

　　82. A. appliances B. utilities C. instruments D. equipment

　　83. A. perceptive B. accessible C. complex D. controversial

         84. A. preceding B. previous C. subsequent d. following

           85. A. exploited B. applied C. adopted D. processed