题目

 When you get back to work, remind yourself what you want to be working on, and _____   all disturbances. A. pick up                 B.    take away            C. use up          D. clear away 答案：D刘师傅23天共加工4255个零件，平均每天比王师傅多加工18个，王师傅每天加工零件（ ）A. 203个B. 167个 C. 157个 D. 257个