[解析]
14.C 15.B 16.B 17.C
W:Good morning,sir.How may I help you?
M:I want to take the summer courses in your school.Can you tell me some information about that?
W:Certainly.We have long part﹣time courses and short full﹣time courses during this summer.The part﹣time course lasts for eight weeks.It's about ten hours a week.The full﹣time courses lasts for four weeks and it's about twenty hours each week.
M:How many students are there in a class?
W:There are a lot of students in the school.We want to make sure every student has a good learning experience,so there are no more than ten students in each class.
M:Could you please tell me when the part﹣time and full﹣time courses start?
W:Sure.The part﹣time course begins on July 1st and lasts until August 26th,and the full﹣time course is from July 1st to July 29th.
M:How much do I have to pay for a course?
W:Well,both courses cost 1,000 dollars.
M:Do I have to find a place myself?
W:No,we can provide a dormitory for you.You can live in the dormitory for 40 dollars a week.
M:40 dollars?That's fair.Thank you very much.
W:You are welcome.