小题1:C
小题2:C
小题3:A
小题4:D
小题1:C细节理解题。结合第二段可知答案。
小题2:C推理判断题。结合the salesman was giving me the change , but I wasn’t ready for it , and a coin dropped on the ground可知答案。
小题3:A 细节理解题。结合After someone occupies a position in the escalator , making it difficult for someone else to find a place to stand in可知答案。
小题4:D作者态度题。结合If someone is troubled , a “sorry” is always necessary可知答案。