1、国家公共英语（三级）笔试模拟试卷 270及答案与解析 1 Who is the speaker? （ A） A librarian. （ B） A tour guide. （ C） A professor. （ D） Alexander Boyds secretary. 2 Where does this talk take place? （ A） In the library. （ B） In an auditorium. （ C） On the campus grounds. （ D） In the greenhouse of the biology building. 3 Who is
2、the speaker probably talking to ? （ A） Library science students. （ B） Students who are interested in a attending this college. （ C） Librarians who want to know about the library collection. （ D） Students who will be graduating from the college soon. 4 Who was Alexander Boyd? （ A） The person who desi
3、gned the library building. （ B） The author of several books in the library. （ C） The first director of the library. （ D） The biology professor after whom the library is named. Part A Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your ans
4、wers on ANSWER SHEET 1. 4 Water problems in the future will become more intense and more complex. Our increasing population will tremendously increase urban wastes, primarily sewage. On the other hand, increasing demands for water will decrease substantially the amount of water available for dilutin
5、g wastes. Rapidly expanding industries which involve more and more complex chemical processes will produce larger volumes of liquid wastes, and many of these will contain chemicals which are noxious. To feed our rapidly expanding population, agriculture will have to be intensified. This will involve
6、 ever-increasing quantities of agricultural chemicals. From this, it is apparent that drastic steps must be taken immediately to develop corrective measures for the pollution problem. There are two ways by which this pollution problem can be dwindled. The first relates to the treatment of wastes to
7、decrease their pollution hazard. This involves the processing of solid wastes “prior to“disposal and the treatment of liquid wastes, or effluents, to permit the reuse of the water or minimize pollution upon final disposal. A second approach is to develop an economic use for all or a part of the wast
8、es. Farm manure is spread in fields as a nutrient or organic supplement. Effluents from sewage disposal plants are used in some areas both for irrigation and for the nutrients contained. Effluents from other processing plants may also be used as a supplemental source of water. Many industries, such
9、as meat and poultry processing plants, are currently converting former waste products into marketable by-products. Other industries are exploring potential economic uses for their waste products. 5 The purpose of this passage is_. （ A） to acquaint the reader with water pollution problems （ B） to ale
10、rt the reader to the dwindling water supply （ C） to explain industrial uses of water （ D） to demonstrate various measures to solve the pollution problem 6 Which of the following points is NOT included in the passage? （ A） Diluting wastes needs a certain amount of water. （ B） Demands for water will g
11、o up along with the expanding population. （ C） Intensive cultivation of land requires more and more chemicals. （ D） Industrial development includes the simplification of complex chemical processes. 7 The reader can conclude that_. （ A） countries of the world will work together on pollution problems
12、（ B） some industries are now making economic use of liquid wastes （ C） by-products from wastes lead to a more prosperous marketplace （ D） science is making great progress in increasing water supplies 8 The author gives substance to the passage through the use of_. （ A） interviews with authorities in
13、 the field of water controls （ B） definitions which clarify important terms （ C） opinions and personal observations （ D） strong arguments and persuasions 9 The words“prior to “(Para. 2)probably mean_. （ A） during （ B） before （ C） after （ D） beyond 国家公共英语（三级）笔试模拟试卷 270答案与解析 1 【听力原文】 Hi. My names Tamm
14、y Mullen, and Ill be your guide on our campus tour. As we walk through the campus, Ill provide a bit of history about the college, and Ill describe some of our fine academic programs. Right now were standing in the lobby of the Boyd Memorial Library. This library is named after Alexander Boyd, its f
15、irst director and greatest benefactor. Thanks to Dr. Boyds fine efforts, library development got off to a very good start here, and the Boyd Library now houses over 800, 000 volumes, including periodicals and newspapers. We also have more than 60, 000 maps and 2, 000 photographs in our collection. A
16、ll of the librarys collections are arranged for easy student access. There are comfortable study and reading lounges; in addition, more than 500 individual student study desks are located in the library within easy reach of reference materials and library stacks. Are there any questions about the li
17、brary? Good. Then lets move on to the Cline Biology Building. If were lucky, the greenhouse will be open and we can take a peek inside. 1 【正确答案】 B 2 【正确答案】 A 3 【正确答案】 B 4 【正确答案】 C Part A Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your
18、 answers on ANSWER SHEET 1. 5 【正确答案】 A 【试题解析】 第一段第一句是本文的主题句，指出污染问题的严重性，接着作者阐明了主题句所点出的主旨。第一段最后一句是本段的结论句，指出必须立即采取严厉的措施来解决水的污染问题。所以，正确答案非 A莫属。 6 【正确答案】 D 【试题解析】 从所给的选择项看， A， B， C在第一段中都已从不同角度提到，惟有 D没有提到。 7 【正确答案】 B 【试题解析】 第三段最后两句均阐述某些正在从经济上利用废水。 8 【正确答案】 C 【试题解析】 本题题干可译为：作者通 过使用 来阐述本文的基本内容。本文共 3段，每段的段首句均为作者的观点，然后紧接段首句提出观察报告。所以，本题的答案应为 C。 9 【正确答案】 B 【试题解析】 prior to(=before)在 以前。
