单项选择题
A．The woman is making too big a fuss about her condition. B．Fatigue is a typical symptom of lack of exercise. C．The woman should spend more time outdoors. D． People tend to work longer hours with artificial lighting.
A．They hate exams. B． The all plan to study in Cambridge. C． They are all adults. D．They are going to work in companies.
A．It was invented by a group of language experts in the year of 1887. B．It is a language that has its origin in ancient Polish. C．It was created to promote economic globalization. D．It is a tool of communication among speakers of different languages.