第二节 听力理解（共10小题；每小题1分，满分10分）
请根据各段内容及问题，选出最佳选项并填写在答题卡上。每段播放两遍。
听下面一段材料，回答6～7两个小题。
( )6. How old is Helen’s sister?
A. Six . B. Seven . C. Eight .
( )7. What does Helen’s uncle look like?
A. He has a round face B. He has curly hair C. He is very tall
听下面一段材料，回答8～9两个小题。
( )8. How long will Mary stay in London?
A. 12 days. B. 16 days. C. 18 days.
