专升本英语（阅读）模拟试卷50
阅读理解
Cancer is feared by everyone. And this fear is reaching epidemic (流行性) proportions. Not the disease itself—there is no such thing as a cancer epidemic. Except for lung cancer, mostly caused by cigarette smoking, the incidence rates are leveling off, and in the case of some kinds of cancer are decreasing. But the fear of cancer is catching, and the country stands at risk of an anxiety. The earth itself is coming to seem like a huge carcinogen(致癌物). The ordinary, more or less scientific statement that something between 80 and 90 percent of all cancers are due to things in the environment is taken to mean that none of us will be safe until the whole environment is \\
1.Which of the following would be the best TITLE for the passage?(A)
A. Cancer and Environment
B. The Fear Caused by Cancers
C. Data on Cancer Incidence
D. Cancer and Its Investigation
解析：
Central Park, emerging from a period of abuse and neglect, remains one of the most popular attractions in New York City, with half a million out-of-towners among the more than 3 million people who visit the park yearly. About 15 million individual visits are made each year.
Summer is the season for softball, concerts, and Shakespeare; fall is stunning; winter is wonderful for sledding, skating, and skiing; and spring-time is the loveliest of all. It was all planned that way.
About 130 years ago Frederic Law Olmsted and his collaborator Calvert Vaux submitted their landscaping plan for rectangular parcel two miles north of the town\’s center. The barren swampy tract, home for squatters and a bone-boiling works that made glue, was reported as \\
2.With what subject is the passage mainly concerned?(D)
A. The lives of Olmsted and Vaux.
B. New York City’s tourist industry.
C. Examples of nineteenth-century art in New York City.
D. The development of Central Park.
解析：
The American economic system is organized around a basically private enterprise, market-oriented economy in which consumers largely determine what shall be produced by spending their money in the market-place for those goods and services in competition with other businessmen, and the profit motive operating under competitive pressures, largely determines how these goods and services are produced.
Thus, in the American economic system it is the demand of individual consumers, coupled with the desire of businessmen to maximize profits and the desire of individuals to maximize their incomes, which together determine what shall be produced and how resources are used to produce it.
An important factor in a market-oriented economy is the mechanism by which consumer demands can be expressed and responded to by producers. In the American economy, this mechanism is provided by a price system, a process in which prices rise and fall in response to relative demands of consumers and supplies offered by seller-producers.
The important factor in private-enterprise economy is that individuals are allowed to own productive resources (private property) , and they are permitted to hire labor, gain control over natural resources, and produce goods and services for sale at profit. In the American economy, the concept of private property embraces not only the ownership of productive resources but also cer
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