精选优质文档-倾情为你奉上2010 年全国硕士研究生入学统一考试英语(二)试题答案与解析Section I Use of EnglishDirections:Read the following passage. For each numbered blank there are four choices marked A, B, C and D. Choose the best one and mark your answers on ANSWER SHEET l. (10 points) The outbreak of swine flu that was first detected in Mexico was declared a global epidemic on June 11, 2009. It is the first worldwide epidemic_1_ by the World Health Organization in 41 years. The heightened alert _2_