新东方:2011年6月英语四级仔细阅读试题答案
57 Interracial lodging may have diverse outcomes
58 Being surrounded by white peers motivates a black student to work harder to succeed
59 Roommates of different races just don’t get along
60 The school randomly assings roommates without ragard to race
61 It is unscientific to make generalizations about it without further study
62 Rates fo death from illnesses have risen due to global warming
63 It was challenged by some climate and risk experts
64 It is invalid in terms of methodology
65 Its rough estimates are meant to draw the attention of world leaders
66 How rich countries can better help poor regions reduce climate hazards