SAT阅读 2006年1月 2010年10月 2011年1月 2011年5月 WORD版.docVIP

Line 5 10 15 2006年1月 Questions 30-35 are based on the following passages. (1)No one owns Antarctica. (2)The nations of the world agreed—some of them reluctantly—that all countries would share the continent for the purposes of scientific research. (3)Governed by the Antarctic Treaty, written in 1959 and adopted in 1961,which has been signed by 27 countries. (4)Another 17 countries have agreed to abide by the treaty in order to participate in research being done in Antarctica. ( (5)In Antarctica, relations among the researchers and their countries are both simpler and more complicated than in the rest of the world. (6) Relations are simpler because each country has only a few scientists on this isolated continent. (7) Treaty clauses assure that the research there is nonmilitary. (8)On the other hand, when conflicts do arise, there is no clear process for dealing with them. (9)Decisions that can make or break the preservation of Antarctica’s unique environment and its scientific opportunities depend on a political system designed to have nobody in command. (10)Clear decision making has become a more urgent chanchallenge as more tourists are attracted to Antarctica. (11)Scientists living on Antarctica were not always as careful to preserve the pristine environment as they are now.(12)Tour operators are working with treaty members to devise regulations, and there are plans to assess the environmental impacts of tours.(13)But regulations and assessment plans may prove difficult to settle on and enforce in a place where jurisdiction is unclean. 30. What must be done to sentence 3? (A) Combine it with sentence 2,putting a comma after “research”. (B) Begin it with the words “Antarctica is”. (C) Replace the comma after “1961” with a semicolon. (D) Place the words “it was” before “written”. (E) Change “1961, which” to “1961.It”. 31. What should be done with sentence 7? (A) Change “assure” to “make sure”.