题目

---Where have you been recently?---I _______ in Hangzhou on business for a week last month.A. have been B. had gone C. had been D. was 答案：【答案】D【解析】句意：——最近你去过哪里？——我上个月在杭州出差一周。根据last month可知此处用一般过去时。虽然 for a week ，但是根据语境和last month可知只是叙述过去的事情，故选D。小磁针静止时，N极指北，S极指南，但又不是正北正南，这一现象说明（ ）A．这个指南针坏了B．地磁的两极与地理的两极并不重合C．地磁N极在地理北极附近D．地磁S极在地理南极附近