2016年6月大学英语四级考试模拟题及答案(7)

　　2. Animal experiments are needed in research to find new drugs and vaccines, and to find ways of protection from the toxicity of chemicals.

　　3. It is predicted by experts that the number of animals used for toxicity testing in Europe will quintuple due to a plan to have a large variety of chemical tested.

　　4. People are trying to find alternatives to animal testing, and they started with liver.

　　5. PrimeCyte and Pfizer began to find alternatives to animal testing because they were advocates of animal protection.

　　6. It is found that tissues from liver, lung, and immune system can all be tested independently of animals.

　　7. Although there is more than one alternative to animal experiment, there is still concern over how to eliminate animal testing in fundamental research.

　　8. In basic scientific research, the object is to understand how, say, the brain works rather than to develop a drug to ______ brain disease.

　　9. Indeed, in some cases, scientific advances are making animal tests ___________

　　10. Recently, an animal-advocacy group casts doubt on the scientists' claim that apes are used only for __________

　　Part IV Reading Comprehension (Reading in Depth)

　　Section A

　　Directions: In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making

　　your choices. Each choice in the bank is identified by a letter. Please mark the corresponding letter for each item on Answer Sheet 2 with a single line through the centre. You may not use any of the words in the bank more than once. What is suburbanization? If by "suburb" is meant an urban (47) that grows more rapidly than its already developed interior, the process of suburbanization began during the (48) of the industrial city in the second quarter of the 19th century. Before that period the city was a small highly (49) cluster in which people move about on foot and goods were (50) by horse and cart. But the early factories built in the 1830s and 1840s were (51) along waterways and near railheads at the edges of cities, and housing was needed for the thousands of people drawn by the prospect of employment.

　　In time, the factories were (52) by proliferating mill towns of apartments and row houses that abutted the older, main cities. As a defense (53) this encroachment and to enlarge their tax base, the cities appropriated their industrial neighbors. In 1854, for example, the city of Philadelphia (54) most of Philadelphia County. Similar things (55) place in Chicago and in New York. Indeed, most great cities of the United States (56) such status only by annexing the communities along their borders.

　　A) located

　　B) margin

　　C) conveyed

　　D) compact

　　E) center

　　F) emergence

　　G) spacious

　　H) surrounded

　　I) abandoned

　　J) plummet

　　K) achieved

　　L) took

　　M) against

　　N) for

　　O) incorporated