题目

 —I’m really sorry, I couldn’t do it better.  —Never mind. ________ you have tried your best.      A. In all           B. After all       C. At all             D. Above all 答案：B热带草原气候区典型的代表性动物有 [　　] A．大象、孔雀B．狮子、斑马 C．骆驼、鸵鸟D．老虎、狗熊