221. Eating saltwater fish may significantly reduce the risk of heart attacks and aid sufferers of rheumatoid arthritis and asthma, according to three research studies published in the New England Journal of Medicine.

222. By a vote of 9 to 0, the Supreme Court awarded the Central Intelligence Agency broad discretionary(任意的，自由决定的) powers enabling it to withhold from the public the identities of its sources of intelligence information.

223. As business grows more complex, students who major in such specialized areas as finance and marketing are becoming more and more successful in the job market.

224. Inuits of the Bering Sea were isolated from contact with Europeans longer than were Aleuts or Inuits of the North Pacific and northern Alaska.

225. Minnesota is the only one of the contiguous forty-eight states where there is still a sizable population of wolves and where this predator remains the archenemy of cattle and sheep.

226. Pablo Picasso, the late Spanish painter, credited African art with having had a strong influence on his work.

227. Judicial rules in many states require that the identities of all prosecution witnesses be made known to dendants so that they can attempt to rebut the testi-mony (证词(尤指在法庭所作的), 宣言, 陈述), but the Constitution explicitly requires only that the dendant have the opportunity to confront an accuser in court.

228. Quasars, at billions of light-years from Earth the most distant observable objects in the universe, are believed to be the cores of galaxies in an early stage of development.

229. The colorization of black-and-white films by computers is dended by those who own the film rights, for the process can mean increased revenues for them; many others in the film industry, however, contend that the technique degrades major works of art, likening it to putting lipstick on a Greek statue.

230. Rerring to the current hostility toward smoking, smokers frequently express anxiety that their prospects for being hired and promoted are being stunted by their habit.

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