题目

      the fact that there was thick fog,he drove his car out. A.Despite                    B.In spite C.Although                   D.No matter how 答案：A 解析: 表示“尽管，虽然”，通常用although/though引导让步状语从句，而in spite of/despite后通常接名词、代词或动名词，不接句子。本题中the fact是名词，故用despite。B项in spite后缺少of，也可排除。2．解方程①15：x=4：2：5$\frac{3}{5}$②3$\frac{2}{3}×\frac{6}{11}$-7x=$\frac{3}{5}$③$3.5-\frac{1}{5}x=1.2$．