前言 Ⅰ一、语法答题指导 1二、词汇答题指导 13三、语法词汇模拟试题 19Unit One 19Unit Two 26Unit Three 33Unit Four 40Unit Five 48Unit Six 56Unit Seven 63Unit Eight 71Unit Nine 78Unit Ten 85Unit Eleven 92Unit Twelve 100Unit Thirteen 108Unit Fourteen 115Unit Fifteen 122Unit Sixteen 129Unit Seventeen 137Unit Eighteen 144Unit Nineteen 152Unit Twenty 160四、简答题答题指导 169五、简答题模拟题 183