第二节:听较长对话,选择答案。(每小题1分,满分5分)
现在请听两段对话。第一段对话后有两个小题,第二段对话后有三个小题,请从每小题的A、B、C三个选项中选出问题的答案。每段对话仅读一遍。
听下面一段长对话,回答第6至7小题。
( ▲ ) 6. Where did Mary visit in Shanghai?
A. The space museum. B. The art museum. C. The science museum.
( ▲ ) 7. When did s he go back?
A. On December 15th. B. On December 16th. C. On December 17th.