题目

— I’m sorry, but I shouldn’t have been so rude to you.    — You ＿＿ your temper but that’s OK. A. have lost     B. had lost        C. did lose        D. were losing 答案：C 解析: shouldn’ t have done 表示“过去本不应……”。You did lose your temper 是You lost your temper 的强调形式。（2010•通化）如图，一个小球由地面沿着坡度i=1：2的坡面向上前进了10m，此时小球距离地面的高度为（ ）A．5mB．mC．mD．m