题目

International Exchange ProgrammeThe application form for participation on the exchange programme for 2016／17 can be found in Application Procedures．     Applying Qualification—Current Queen Mary undergraduate students(with the exception of students in Biomedical Sciences，Chemistry，Dentistry and Medicine)have qualifications to apply.     Law Students—Students enrolled in The School of Law should contact Sheila Shirley(s．shirley@qmul．ac．uk)for details of study abroad opportunities.     English and Drama Studen—Students cannot study abroad for the full acade火山爆发产生的火山灰中含有一种叫砒霜的物质，砒霜的主要成分是三氧化二砷（As2O3），其中砷的化合价为 A、+2            B、+3            C、+5            D、+6