单项选择题
Passage One Questions 27 to 29 are based on the conversation you have just heard.
A.Long years of job training. B.High emotional intelligence. C.Distinctive academic qualifications. D.Devotion to the advance of science.
A.By marking down the unit price. B.By accepting the penalty clauses. C.By allowing more time for delivery. D.By promising better after-sales service.
A.mobile technology will be more widely used in education B.the role of technology in education cannot be overestimated C.mobile technology can upgrade professors’ teaching tool-kit D.iPhones and iPods will replace laptops sooner or later