单项选择题
All speakers produce summaries of the sessions they gave. The speakers should write（）
A. a proposal for their session. B. a brief report about their session. C. full details of whet is in their session.
单项选择题 Evening dress necessary（）
单项选择题 Admission: ADULTS 20p, CHILDREN FREE.（）
单项选择题 Export documentation may be required for non-EU destinations. Packages sent outside the EU（）
