新prep正确的句子..doc

新prep1 170. Margaret Mead, the best-known anthropologist of the twentieth century, helped shape public opinion in such fundamentally important areas as attitudes toward children and families and the relative merits of competition and cooperation. 171. One of the primary distinctions between our intelligence and that of other primates may lie not so much in any specific skill as in our ability to extend knowledge gained in one context to new and different ones. 172. Introduced by Italian merchants resident in London during the sixteenth century, life insurance in England remained until the end of the seventeenth century a specialized contract between individual underwriters and their clients, typically ship owners, overseas merchants, or professional moneylenders. 173. The widely accepted big-bang theory holds that the universe began in an explosive instant 10 to 20 billion years ago and has been expanding ever since. 174. Often major economic shifts are so gradual as to be indistinguishable at first from ordinary fluctuations in the financial markets. 175. Experts estimate that ten times as much petroleum exists in such sources as tar sands, heavy oil, and perhaps even shale as conventional reservoirs. 176. For at least two decades before the Venetian artist Giovanni Battista Tiepolo died in 1770, he had been the most admired painter in Italy. 177. In her 26 years in the forests of Gombe, Jane Goodall collected data that proved that chimpanzees exhibit the kind of curiosity by which new patterns of behavior and expression can be passed on from one to another by imitation and practice. 178. Last week local shrimpers held a news conference to take some credit for the resurgence of the rare Kemps ridley turtle, saying that their compliance with laws requiring turtle-excluder devices on shrimp nets is protecting adult sea turtles. 179. Unlike the independent candidacies of George Wallace in 1968 and John Anderson in 1980, H. Ross Perots independent run