Questions 6 to 10 are based on an interview. At the end of the interview you will be given 15 seconds to answer each of the following five questions. Now listen to the interview.

What subject is Mr. Pitt good at（）

单项选择题In the Black Forest, the acid rain is said to attack all EXCEPT（）

A．firs.
B．metals.
C．leaves.
D．soils.

单项选择题Who can enter the contest（）

A．Postgraduates.
B．Undergraduates.
C．Journalists.
D．Teachers.

单项选择题According to the holiday advertisement, $ 939 is for a（）

A．two-week holiday in October.
B．two-week holiday in November.
C．three-week holiday in November.
D．three-week holiday in October.

单项选择题Which of the following entry rules is NOT correct（）

A．Submissions had been published within a specified period.
B．No limits are set on content or length of the submission.
C．Each entrant can submit no more than one entry.
D．A cover letter by the entrant is required.

单项选择题The role of market forces in innovative activities is addressed in（）

A．Part Ⅰ.
B．Part Ⅱ.
C．Part Ⅲ
D．Part Ⅳ.