PASSAGE 4 Cost as a Factor in Supply ?In a purely competitive market, the supplier of goods and services has no control over the market price, because...
PASSAGE 6 Let's Have a Little Cooperation Please ?Cia Andina do Triconos (CATSA), a Bolivian joint venture of the U.S. Dresser Industries and loca...
PASSAGE 3 The White House ?We got up early this morning and __1__ a long walk after breakfast. We walked through the business section of the city. I t...
PASSAGE 1 The Invention of the telephone ?In the nineteenth century, the invention of the telegraph made it possible to send noises, signals, and even...
阅读一篇短文，文中有15处空白，每个空白处给出了四个选项。应试者根据短文的内容从四个选项中选择一个最佳答案。Space ResearchDoes walking on the moon make life better for people on earth? 51 all the problems...
NO.1Singing Alarms Could Save the Blind If you cannot see, you may not be able to1 find your way out of a burning building—and that could be fatal. A ...
NO.1One Good Reason to Let Smallpox LiveIt’s now affair bet that we will never see the total extinction of the smallpox virus. The idea was to cap the...
NO.1Captain Cook Arrow LegendIt was a great legend while it lasted, but DNA testing has ____1_____ ended a two-century-old story of the Hawiian arrow ...
答案:51 C52 B53 A54 C55 B56 A57 C58 D59 A60 C61 B62 D63 B64 C65 A ...
答案:51 D52 C53 B54 D55 B56 C57 D58 B59 D60 B61 C62 B63 D64 A65 D...