gmat og10正确句子268(十九).

211. The period when the great painted caves at Lascaux and Altamira were occupied by Upper Paleolithic people has been established by carbon-14 dating, but what is much more difficult to determine is the reason for their decoration, the use to which primitive people put the caves, and the meaning of the magnificently depicted animals.

212. The Baldrick Manufacturing Company has for several years followed a policy aimed at decreasing operating costs and improving the ficiency of its distribution system

213. The Federalist papers, a strong dense of the United States Constitution as well as an important body of work in polit-ical science, represent the hand-iwork(手工，手艺) of three different authors.

214. Although the term "psychopath" is popularly applied to an especially brutal criminal, in psychology it rers to someone who is apparently inca-pable of feeling compassion or the pangs of conscience.

215. Parliament did not accord full rugee benits to twelve of the recent immigrants because it believed that doing so would reward them for entering the country illegally.

216. Many policy experts say that shifting a portion of health-benit costs back to the workers not only helps to control the employer&aposs costs, but also helps to limit medical spending by making patients more carul consumers.

217. The plot of The Bostonians centers on the rivalry that develops between Olive Chancellor, an active feminist, and Basil Ransom, her charming and cynical cousin when they find themselves drawn to the same radiant young woman whose talent for public speaking has won her an ardent following.

218. Despite protests from some waste-disposal compa-nies, state health officials have ordered that the levels of bacteria in seawater at popular beaches be measured and the results published.

219. While larger banks can afford to maintain their own data-processing operations, many smaller regional and community banks are finding that the costs associated with upgrading data-processing equipment and with the development and maintenance of new products and technical staff are prohibitive.

220. Over a period of a hundred years beginning in 1788, England exiled some 160,000 criminals to Australia.