1、国家公共英语（三级）笔试模拟试卷 234及答案与解析 Part A Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1. 0 Water problems in the future will become more intense and more complex. Our increasing population will tremendously increas
2、e urban wastes, primarily sewage. On the other hand, increasing demands for water will decrease substantially the amount of water available for diluting wastes. Rapidly expanding industries which involve more and more complex chemical processes will produce larger volumes of liquid wastes, and many
3、of these will contain chemicals which are noxious. To feed our rapidly expanding population, agriculture will have to be intensified. This will involve ever-increasing quantities of agricultural chemicals. From this, it is apparent that drastic steps must be taken immediately to develop corrective m
4、easures 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 decrease their pollution hazard. This involves the processing of solid wastes “prior to“disposal and the treatment of liquid wastes, or effluents, to
5、 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 wastes. Farm manure is spread in fields as a nutrient or organic supplement. Effluents from sewage disposal plants are used in some areas both for irriga
6、tion and for the nutrients contained. Effluents from other processing plants may also be used as a supplemental source of water. Many industries, such as meat and poultry processing plants, are currently converting former waste products into marketable by-products. Other industries are exploring pot
7、ential economic uses for their waste products. 1 The purpose of this passage is_. （ A） to acquaint the reader with water pollution problems （ B） to alert the reader to the dwindling water supply （ C） to explain industrial uses of water （ D） to demonstrate various measures to solve the pollution prob
8、lem 2 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 go up along with the expanding population. （ C） Intensive cultivation of land requires more and more chemicals. （ D） Industrial development includes t
9、he simplification of complex chemical processes. 3 The reader can conclude that_. （ A） countries of the world will work together on pollution problems （ 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
10、making great progress in increasing water supplies 4 The author gives substance to the passage through the use of_. （ A） interviews with authorities in the field of water controls （ B） definitions which clarify important terms （ C） opinions and personal observations （ D） strong arguments and persuas
11、ions 5 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 234答案与解析 Part A Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1. 1 【正确答案】 A 【试题解析】 第一段第一句是本文
12、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。 2 【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。 3 【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。 4 【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。 5 【正确答案】 B 【试题解析】 prior to(=before)在 以前。
